ENGINEERING RESEARCH INSTITUTE THE UNIVERSITY OF MICHIGAN ANN ARBOR Final Report (Appendix I) TEST DATA FOR ORIGINAL AND RECOVERED ASPHALT R. A. Leger Supervisor Laboratory Operations W. M. Aldous Project Engineer Project 2249 THE OHIO OIL COMPANY FINDLAY, OHIO May 1957

EXPOSURESI ERI PROJECT 2249 Ohio Oil Company, Findlay, Ohio Test Results on Composition of Asphalt Original and Recovered Material Type of Exposure Test Mat'l Heating Mix Time Mixture Heating Expoure Agg Asphalt Hobart., Time, Temp, TpofOeTstCnios Exposure F I F mm m\ Type of Oven Test ConditionsOF m a 400 300 1 30 550 F. Draft Cool 45 min, extract and recover AC. Ml to MP55. ai 350 300 1 30 325 F. Draft Cool 45 min, extract and recover AC. All tests above 36A. b 400 300 1 30 350 F. Draft Air weather 72 hr in laboratory. ML to M35. c Same as b Air weather 24 hr in laboratory. Ml to M.55. H d Same as b Air weather 48 hr in laboratory. Ml to M35. ma e Same as b Heat in force draft 72 hr at 140I F. ML to MP35. f Same as b Heat in force draft 24 hr at 140i F. ML to M35. g Same as b Heat in force draft 48 hr at I140F. ML to P43. ^ h 350 300 1 90 325 F. Draft Cool, extract, and recover. Michigan and Minnesota aggregates. i Same as h Intended to be run on Minnesota aggregate. No tests performed. j Same as h Mixture of Michigan aggregate using Garland-Duct-Spot blend. k 350 300 1 30 350 F. Draft Loose spread in shallow pan and expose 60 days outdoors. ( 1 Same as k Compacted to 4" diameter x 4-1/2" cylinder and exposed 60 days outdoors. M. 350 300 1 30 325 F. Draft Cool, extract and recover. Michigan aggregate with Garland-Duct-Spot. n 350 300 1 180 325 F. Draft Cool, extract and recover. Michigan and Minnesota aggregates with regu- ^ lar test asphalts and special Garland-Duct-Spot blends.

The University of Michigan ~ Engineering Research Institute Ohio 0il Company, Finalay, Ohio TABLE I Composition of AsphaltsAsphalt eries, 0ily Constituents, Resins Bureau of Mines Method I I I I ~ I Weight and Percenta6e, Original Sa~le and Component Parts ITot Wt and ~ Referred to Orig Sample Test I Test Type of Source of Type oz............ - I I I. I O rig Wt I Wt Asphtns I Asphtns I Oily Const ] Oily Const I Wt Resin I Resin I Reval Wt I.... i % of I + or' No. I Exp.... Asphalt I Asphalt i~~ I i Gr~ I Gr~ I ~ I Grams! % I Grams I. ~ ~ Grams I Grams! Orig 1% Orig 033 0L85-100 Orig 1.3447 0.2555 19.00 0.4777 ~5.52 0.6214 ~6.21 1.~546 +0.0099 100.7~ +0.75 x~~ OIBS-1OO Orig 1.3276 0.2537 19.11 0.4529 54.11 0.6619 49.82 1.5681 +O.0~O5 103.0~ +3.04 xC55 OL85-100 Orig 1.5709 0.2990 18.89 0.4874 59.95 0.6687 ~8.78 1.4191 +0.0442 105.22 +5.LY2 C56 OT85-100 Orig 1.5998 O. 2785 20.54 0.4867 55.89 O. 6208 45.79 1.5860 +0.0262 102.22 +2.22 C37 0T85-100 Orig 1.2997 0.2621 20.17 0.44~0 54.09 0.5998 ~6.15 1.3049 +0.0052 100.41 +0.~1 C58A 0T85-100 Orig Test Void. The flask containing the oils was broken in oven at end of standard drying period. C58B 0T85-100 Orig 1.3249 O. 2719 20.52 0.4568 34.48 O. 61al 46.65 1. ~468 +o. o219 lol. 65 +1.65 c59 L85-lO0 Orig 1.3041 O. 2~85 19.04 O. 4996 58.51 O. 5676 45.52 1.3195 +0.0114 100.87 +O. 87 C40 L85-100 Orig 1.29~4 0.2491 19.27 0.4540 55.21 0.6042 46.75 1.5075 +O.0149 101.23 +1.25 C41 L85-100 Orig 1.2979 0.2517 19.39 0.5107 59.55 0.5952 45.84 1.5576 +0.0597 104.58 +4.58 C42 OL85-100 M1 Ottawa 1.2967 O.2891 25.00 0.~298 ~.20 0.5603 44.58 1.2791 +O.02~4 101.78 +1.78 Ch5: 0L85-100 M1 Ottawa 1.3185 0.5084 23.39 0.~680 35.49 0.9750 45.61 1,5514 +O.0329 102.~9 +2.49 zC~ Duct Spot Orig 1.5506 0.2054 15.4~ 0.~719 55.47 O.6~9 46.96 1.~O22 -O.O284 97.87 -2.15 Note: After methanol-benzene wash it appeared that sc~e resins remained on the alumina which could not be removed by the solvent C~5 OL85-100 M2 Ottawa 1.~410 0.50~1 ~.68 0.4655 ~4.70 0.5757 42.78'1.5410 +O.00~1 100.16 +O.16 C46: OL89-100 M~ Ottawa 1.2926 O.2995 e~.17 o,~e99 ~2.71 o. ~ ~5.50 1.5175 +o. o249 lol. ~9 +1.59 C4T a OL85-100 M3 Ottawa 1.2a15 o. 2969 es. 17 o. 4595 55.85 o. 9561 45.40 ~. 5129 +0. o510 102. ~2 +2.42 C~8 a OL85-100 M3 Ottawa 1. ~O98 O. ~)48 25.27 O. ~77~ ~6.44 O. 5~44 40.80 1.5165 +O. 0067 1OO. 51 +O. 51 aC~9 a 0L85 -lO0 M4 Ottawa 1.2928 O. 2957 22.87 O. 46~4 55.84 O. 54 74 42.54 1.5065 +0.0157 lO1.05 +l. 05 C50 Duct Spot Orig O. 70~1 0.1075 15.26 0.2295 ~2.65 O. ~456 49.15 0.6824 -0.0207 97.06 -2.94 C91 a L85-100 M4 Ottawa 1.2891 0.2959 22.79 0.~98~ ~8,64 0.5~65 ~2.59 1.~86 +0.0495 10~.82 +~.82 C52 a L85-100 M9 Ottawa 1.2847 0.2914 ~2.68 0.4554 ~5.~ 0.5605 4~.6~ 1.~07~ +O. 0~26 101.75 +1.75 C55 a L85-100 M5 Ottawa 1.2655 0.2866 22.64 0.4662 56.8~ O. 9~06 41.95 1.2854 +0. O179 101. ~0 +1.~0 C5~ a L85-100 M6 Ottawa 1.26~6 O. 5011 25.8~ O. ~66~ ~6.90 O. 5592 42.67 1. ~066 +0.04~0 105. ~0 +~. 40 C95 a L85-100 M6 Otawa 1.2795 O. ~168 24.78 O. ~818 ~7.69 O. 55~ ~2.21 1. ~509 +O. O714 109.68 +9.68 C56 a OT85-100 M7 Ottawa 1.255~ O. ~400 27.15 0.~71~ 57.60 0.~97~ 59.68 1.~087 +0.0555 104.~1 +~.41 057 a 0T85-1OO M7 Ottawa 1.2556 0.~2 27.41 0.4599 56.65 0.5142 40.99 1.5185 +0.0627 10~.99 +4.99 mC58 Duct Spot Orig 1.2629 0.~145 16.98 0.4666 56.95 0.5951 47.11 1.2762 +0.0155 101.02 +1.02 sc59 C~rlana Orig 1.261~ 0.~005 e5.81 o.9791 ~9.9z O.~618 ~6.61 1.~41e +0.0798 lO6.3~ +6.~ S06o Garland Orig 1.2666 O. e867 ee. 6~ o. 6080 ~8. DO o.~156 5e. 81 1.51o5 +o. 0457 lO5.45 +5- 49 ~ 061 Garland Orig 1.2576 0.2888 22.96 0.6058 48.17 0.~201 55.40 1.5147 +0.0971 10~.55 +4.55 4C62 ~arland Orig 1.2668 0.2855 22.52 0.~874 58.48 0.5275 41.64 1.500~ +0.05~4 102.64 +2.64 4065 D'uct Spot Nt 400"F 1.2736 0.2018 15.84 0.~5 5~.04 0.655~ 49.88 1.2716 -0.0020 99.76 -0.24 4064 Duct Spot Ht 4DOFF 1.2546 O.1995 15.08 0.5882 50.94 0.6~70 51.57 1.2~45 -0.0201 98.59 -1.61 3065 Garland Orig 1.2808 0.2897 22.62 0.4752 57.10 0.5~65 42.66 1.5112 +0.0504 102.58 +2.58 C6~ a 0T85-100 M8 Ottawa 1.2817 0.5308 25.81 0.4402 54.55 0.52~6 40.85 1.2946 +0.O129 101.01 +1.01 C67 a 0T85-100 M8 Ottawa 1.~591 0.~172 25.27 0.4098 52.22 0.5497 4~.80 1.2727 +0.0176 101.40 +1.40 SC68 Garland Orig 1.2750 0.2805 22.00 0.5574 42.15 0.5000 59.22 1.~179 +0.0429 105.56 +5.56 ~ C69 Duct Spot Ht 400"F 1.2591 0.1947 15.46 0.~779 57.96 0.5759 ~5.74 1.2485 -0,0106 99.16 -0.84 4C70 Garland Orig 1.2604 0.2939 R5.29 O. 94~7 45.14 0.46~6 ~6.78 1.5008 +0.0404 105.21 +5.21 C71 0T85-100 M9 Ottawa 1.2577 0.5056 24.50 0.4955 59.24 0.k865 ~8.68 1.2896 +0.0279 102.22 +2.22 C72: 0T85-100 M9 Ottawa 1.2609 0.505~ 2~.22 0.4806 ~8.12 0.5009 59.73 1.2869 +0.0260-102.07 +2.07 C75 a 0L85-100 MlO Local 1.2601 O. 2902 2~. O~ O. 5585 42.7~ O. ~3489 ~5.62 1.2776 +0.0175 101.58 +.1.58 074 a 0L85-100 MlO Docal 1.25~2 0.2927 2~. 56 O. 4616 ~6.83 0.5~50 42.69 1.289~ +0.0561 10e. 88 +2.88 c79 a~ OL85-~00 m36A MUm. ~.~65~ O.~e ~4.84 o.~9ee ~.oo o.~78e 4%78 ~.e846 +o.o~95 ~o~.5~ +1.54 C76 al. 0L85-100 M37A, Minn. 1.2610 0.2996 2~.76 0.~7~8 29.72 0.5951 47.19 1.2695 +0.0085 100.67 +0.67 077 16%Duct'S~ 1.e811 0.2793 2].8o o.5e57 ~1.o4 o.5o17 39.16 1.~o67 +o.0e56 lO2.OO +e.oo Asphalt ~ Garland Mat'l t Lab-Mix ~ 9% Duct-Spot ~ Lab-Mix C78 Asphalt ~ Garland ~ M~t'l. 1.2585 0.2739 21.76 0.5074 40.~0 0.5167 ~1.06 1.2980 +0.0~95 10~.1~ +~.14 C79 0L85-100 M58A Minn. 1.2621 O. 2716 21.52 O. ~524 ~5.85 O. 5684 45.04 1.2925 +O, 0~0~ 102.40 +2. ~0 C80 bTM Local 1.2900 0.299~ 2~.94 0.4~10 ~5.28 1.2869 102.99 0L85-]00 Mll +0.0569 o. 9~66 ~5.7~ +~. 99 C81 c ~ 0L85-100 M12 Local 1.2592 0.~050 2~.22 0.~0 ~4.55 0.5550 ~2.49 1.2750 +0.0158 101.25 +1.25 C82 az 0L85-1OO M~9A Mich. 1.2905 0.2702 21.61 0.5074 40.58 0.5159 ~1.26 1.2955 +0.04~0 10~.4~ +5.~4 C85 al 0L85-100 M~OA Mich. 1.2571 0.2800 22.47 0.4744 ~7.74 0.5575 ~2.74 1.2917 +0.0546 102.75 +2.75 C84 al 0L85-100 M41A Mich. 1.2777 0.2658 20.80 0.5005 59.17 O. 5~71 ~2.04 1.50~4 +0.0257 102.00 +2.00 089 al OT85-100 M42A Mich. 1.2561 0.2978 25.71 0.5056 40.49 0.5087 ~0.50 1.5101 +0.0540 104.50 +4.~0 086 d 0L85-100 Mi~ Local 1.2624 O. 3093 24.50 O. 5175 40.99 O. 4765 ~7.75 1.50~1 +0.0~07 105.22 +~. 22 C87 d 0L85-t00 M15 Local 1.2746 O. 505~ 25.96 0.~565 ~5.8~ O. 554~ ~1.9~ 1.296~ +0.0217 101.70 +1.70 C88 OT8~-iO0 M45A Mich. 1.2576 O. 2840 22.58 O. ~76 ~. 80 O. 5666 a x ~5.05 1.288~ +0.0~06 102.4~ +2.45 C89 a~ 0T85-100 M44A Mich. 1.2604 O. 287~ 22.99 O. 5046 40.50 O. 5061 ~0.50 1.2981 +0.0577 102.99 +2.99 C90 ax L85-100 M45A Mich. 1.2568 0.2679 21.42 0.4975 59.77 0 ~ 529~ ~2.01 1.2908 +0.0~40 102.71 +2.71 C91 ax L85-100 M46A Mich. 1.2505 0.2680 21.51 0.5675 45.~7 0.4429 55.42 1.2782 +0.0279 10~.2~ +2.25 092 e 0L85-100 Ml~ Local 1.2548 0.300~ 2~.9~ 0.~465 ~5.50 0.5~5 42.52 1.280~ +0.025~ 102.0~ +2.0~ C9~ e 0L85-100 M14 Local 1.2517 0.2963 2~.67 0.4~72 54.28 0.5506 ~.99 1.2841 +0.0524' 102.59 +2.99 C94 f 0L85-100 M15 Local 1.2588 0.5148 25.01 0.~22 ~4.55 0.5456 ~5.54 1.2926 +0.0358 102.69 +2.69 C95 f 0L85-100 M15 Local 1.2584 0.5103 24.66 0.~420 55.12 0.5190 ~1.24 1.2715 +O.0129 101.05 +1.05 C96 a~ 0T85-100 M49A Minn. 1.2592 0.2884 25.07 0.~306 54.44 0.5520 4~.15 1.2710 +0.0208 101.66 +1.66 C97 a x 0T85 -100 M48A Minn. 1.25~0 O. 2885 25. O1 O. 46~3 ~6.95 O. 5393 4~. O1 1.2911 +0.0571 102.96 +2.96 C98 ax 0T85 -100 M47A Minn. 1.2606 0.2909 2~.08 0.~45~ ~5.~2 0.5518 45.77 1.2880 +0.0274 102.17 +2.17 099 a x L85-100 M50A Minn. 1.2557 O. 2566 20.4~ O. 4744 ~7.78 O. 5500 4~. 80 1.2810 +0.0253 102. O1 +2.01 ClO0 g 0L85-100 M16 Local 1.25~ 8 O. 2841 22.64 O. ~799 ~8.25 O. 514 9 41.05 1,2789 +0.0241 101.92 +1.92 ClO1 ax L85-100 M92A Minn. 1.2556 0.2580 20.55 O.5110 40.70 0.52~5 41.69 1.2925 +0.0369 102.94 +2.94 C102 a~ L85-100 M~iA Minn. 1.2~1 0.~405 27.15 0.~246 ~5.06 0.5069 40.42 1.2720 +0.0179 101.45 +1.4~ ClO~ a~ L85-100 MS~A Mich. 1.2589 0.2734 21.72 0.4789 ~8.01 O. 5~54 42.5~ 1.287~ +0.0284 102.26 +2.26 ClO~ h OL85-~00 M54~ Minn. ~.2560 o.~e~9 25.6~ o.~eT~ 54.o3 o.5eo6 ~1.49 1.e699 +o.o~59 ~o~.n +1.~ 0105 h OT85-100 M55B Minn. 1.2597 O. 5241 25.75 O. ~2~5 55.68 O. 52k6 41.64 1.2730 +0.0155 101.06 +1.06 0106 h L85-!00 M56B Minn. 1.2541 0.~158 25.18 0.4891 ~9.00 0.4798 }8.e6 ]..e847 +0.05o6 ].o~.~, +2.~ 01o7 h 0L89-100 M'37B Mich. 1.25~7 O. 2995 2~. 85 O. 4571 36.4-~ O. 5244 41.75 1.2808 +0.0261 102.08 +2.08 0108 h 0T85-100 M98B Mich. 1.e525 0.5207 2~.o5 o.4691 57.45 o.5oll 4O.Ol!.e909 +0.0584 lO5.07 +5.07 0109 b 0L85-100 M17 Local 1.2618 O. 2850 22.4.5 o. 4856.58.48 o. 5].62 ~.o. 91 1.2848 +0.02.50 101.82 +1.82 CllO b 0L85-100 M17 Local 1.2585 O. ~021 24.01 O. 4571 54.74 O. 5877 46. TI L5269 +0.0686 105.46 +5- ~6 C!11 h L85-100 59B Mich. 1.2565 0.2858 22.75 0.4491 55.74 0.5921 47.12 1.5270 +0.0705 109.61 +5.61 C112 m ~ Duct 4]pot 600 Mich. 1.2598 0.2971 23.58 O. 44~4 55.20 0.5574 ~.25 1.2979 +0.0381 105.05 +~.05 { Garland 1Alumina dust in asphalt (?) 2Orig Duct-Spot resin flux SOrig Garland asphalt 4]~eated for ~0 mid at 400"F before test

~ The University of Michigan Engineering Research Institute Ohio Oil Company, Findlay, Ohio TABLE I Composition of Asphalt~Asphaltenes, Oily Constituents, Resins (Concluded) Bureau of Mines Method Test No. 9~Duct-Spot I Cl13 J 610 Mich. Garland 1.2581 0.3348 26.61 0.5693 45.25 0.3698 29.59 1.2739 +0.0198 101.2~ +1.25 Cll~ b 0L85-100 Mll Local 1.2518 0.3422 27.54 0.4558 34.69 O. 551~ 4~.05 1.3274 +0,0756 106.04 +6.04 Cl15 c 0L85-100 M12 Local 1.2568 0.5165 25.18 0.4285 54.09 0.5581 44.41 1.~051 +0.0465 105.68 +5.68 Cl16 g 0L85-100 M16 Local 1.2587'0.2971 25.60 0.4780 37.98 0.5384 42.77 1.3155 +0.0548 104.35 *4.55 Cll7 n t 9~Duct-Spot Garland 620 Mich 1.2544 0.5656 29.15 0.4800 58.26 0.4359 34.75 1.2815 +0.0271 102.16 +2.16 Cll8 n OL85-100 65D Mich. 1.2514 O. 3516 28.10 0.~119 52.92 0.5599 ~5.14 1.303~ +0.0520 104.16 +$.16 Cl19 n 0T85-100 64D Mich. 1.2904 O. 3903 31.21 O. 3871 50.96 O. 9109 40.86 1.2885 +0.0379 103. O~ +5.05 DuctSpot C120 t12% m Garland 69A Mich. 1.2512 0.3050 24.38 0.9351 42.61 0.~504 36.00 1.2885 +0.0375 102.99 +2.99 C121 b 0L85-100 M18 Local 1.2571 0.2812 22.57 0.4899 58.97 0.5157 ~0.86 1.2848 +0.0277 102.20 +2.20 C122 d 0L85-100 M18 Local 1.2591 0.2850 22.48 0.5058 40.17 0.4974 ~9.50 1.2862 +0.0271 10~.15 +2.15 ~ ~Spot C125 l J Garland 66B Mich. 1.2572 0o~44 27.39 0.5198 41.03 0.4168 53.15 1.2770 +0.0198 101.57 +1.57 C124 d L85-100 M20 Local 1.25~7 0.2881 22.96 0.4872 38.85 0.5065 ~0.56 1.2818 +0.0271 10~.15 +2.15 C125 d L85-100 ~0 Local 1.2552 0.2854 22.58 0.5145 ~0.99 0.494~ ~9.38 1.2922 +0.0370 10~.99 +2.95 C126 g L85-100 M23 Local 1.2533 0.2916 25.27 0.4957 39.59 0.4990 39.81 1.2843 +0.0310 102.47 +2.47 C127 g. L85-100 ~3 Local 1.255~ 0.2999 25.57 0.4916 39.16 0.4876 ~8.84 1.2751 +0.0197 101.57 +1.57 C128 f L85-100 M24 Local 1.2568 0.2815 22.58 0.5281 42.02 0.4764 57.91 1.2858 +0.0290 102.51 +2.31 C129 f L85-100 M24 Local 1.2548 O. 28~6 22.68 O. 4~65 34.79 0.5741 45.75 1.2952 +0.0404 103.22 +~.22 C150 e L85-100 N25 Local 1.2529 O. ~570 26.91 O. 490~ ~9.15 0.4981 ~9.77 1.~29~ +0.0729 109.8~ +5.83 C151 e L85-100 M25 Local 1.2512 O. 2977 2~. 79 0.~ 976 ~9.77 0.~82~ 58.55 1.2776 +0.026~ 102.11 +2.11,,2~ D~t-Smt 0152 n M67D Mich. 1.2979 0 ~ ~969 51.95 0.4702 ~7.~8 0.4091 52.52 1.2762 +0.0185 101.45 +1.45 ~ Garland Cl~ k 0L85-100 M36E Minn. 1.2558 0. ~ 682 57.5~ O. ~105 52.74 0.5908 ~1.17 1.2695 +0.0157 101.25 +1.25 C15~ 1 0L85-100 M36F Minn 1.2577 O. 5159 24.95 0.~551 56.0~ 0.5568 42.68 1.50~ +0.0457 105.64 +~.64 C1~9 k 0L85-100 M37E Minn. 1.2571 O. ~ 972 ~9.54 O.5921 51.19 0.5788 50.15 1.2681 +0.0110 100.86 +0.86 C156 1 0L85-100 M57F M~nn 1.2555 r'.2954 2~.97 O.4816 58.42 0.5019 40.O~ 1.2789 +0.0244 102.05 +2.05 C157 k 0L85-100 M38E Minn. 1.2949 0.5126 24.92 0.~21 54.~ 0.5587 ~2.94 1.2854 +0.0289 102.50 +2.50 C158 1 0L85-100 M38F Minn 1.2502 C. 2770 22.16 O. h 677 57.41 0.5298 42.58 1.2745 +0.024~ 101.95 +1.95 C1~9 k 0L85-100 M-59E Mlch. 1.2550 O. 3255 29.86 O. 4~59 59.45 O. 5015 ~0.02 1.2687 +O. 0190 101.25 +1.29 C140 1 OL85-100 M39F Mich. 1.2926 0.2779 22.19 0.~851 58.97 0.5027 40.15 1.2657 +0.0105 100.89 +0.89 C141 k 0L85-100 ~iOE Mich. 1.2954 0.5056 24.58 0.4621 56.87 0.4 986 ~9.78 1.2665 +0.O129 101.05 +1.O5 C142 1 0L85-100 M~OF Mich. 1.2951 O.2721 21.71 0.4782 ~8.16 0.5252 41.75 1.2755 +0.0204 101.62 +1.62 ~ Du~t-Spot C14~ 112 Blend Orig MTL Garland 1.2567 0.2789 22.19 0.~47 4~.~4 0.4468 55.55 1.2704 +0.0157 101.08 +1.08 C144 k 0L89-1OO Mt~iE Mich. 1.2978 0.5299 26.23 0.4517 55.91 0.5002 ~9.77 1.2818 +O. O240 101.91 +1.91 C145 1 0L89-100 M41F Mic4 1.250~ 0.2891 22.80 0.9158 41.10 0.4759 57.9O 1.2728 +0.0223 101.80 +1.80 C146 k 0T85-100 M42E Mich. 1.2551 O. ~554 26.72 0.51~0 ~0.95 0.4210 5~.5~ 1.2704 +0.0153 101.21 +1.21 C147 1 0T89-100 M42F Mich. 1.2593 O. 298~ 25.76 O. 5526 44.02 O. 4470 55.61 1.2979 +0.0426 10~. ~9 +5.39 C148 k 0T85-100 M45E Mich. 1.2~44 0.3429 27.54 0.4912 59.16 0.4440 ~5.40 1.2781 +0.O257 101.90 +1.90 C149 1 0T85-100 ~LF Mich. 1.2562 0.5069 24.45 0.5768 4~.92 0.4041 52.17 1.2878 +0.0516 102.52 +2.52 C150 k 0L85-100 M4~E Mich. 1.2~24 O. 5484 27.82 0.9191 41.45 0.4129 ~2.97 1.2804 +0.0280 102.24 +2.24 C191 1 OLS~-100 M4~F Mich. 1.2558 O. ~018 24.0~ 0.5026 40.02 0.4759 ~7.74 1.2783 +0.0225 101.79 +1.79 C152 k L85-100 M49E Mich. 1.2550 O. 5119 24.82 0.4590 54.98 O. 5216 41.56 1.2721 +0. O171 lO1.56 +1.56 0155 1 L85-100 M49F Mich. 1.2910 0.2770 22.1~ 0.4701 ~7.58 0.5552 42.62 1.2805 +0.0293 102.54 +2.54 C1D4 k L85-100 M46E Mich. 1.2519 0.5126 24.97 0.~942 ~9.48 0.4752 ~7.80 1.2800 +0.0281 102.25 +2.25 C155 1 L85-100 M~6F Mich. 1.2915 O. 2793 22.52 0.4945 59.51 0.~957 ~9.61 1.2699 +0.0180 101.44 +1.44 C156 k 0T85-100 M~7E M~nn. 1.2529 O. 5564 26.86 O. 445~ 39. ~6 0.5032 40.16 1.2851 +0.0522 102.57 +2.97 Cl.57 1 0T85-100 M4 7F MAnn 1.2~5 O. 50..59 24.22 O. 4801.58.27 O. ~ 952 59.24 1.2765 +0.0218 101.73 +1.73 C158 k 0T85-100 M48E Minn. 1.2970 0.5517 26.~8 0.5571 42.72 0.~118 52.76 1.2806 +0.0256 101.86 +1.86 C159 1 0T85-100 M48F Minn. 1.2977 O. 5111 24.'[~ O. 5226 41.99 0.~690 ~7.29 1.5027 +0.0450 103.58 +5. ~8 C160 k 0T85-100 M49E Minn. 1.2510 O. ~434 27.49 O. 5351 42.61 O. 4201 55.58 1.2966 +O. 0456 105.64 +~. 64 C161 OT85-100 M49F Minn. 1.2525 * C162 k L89-100 M50E Minn. 1.2.5~6 O. 3008 2.5.98 O. 6296.50.18 O. 5~77 27.71 1.2781 +0.02.55 101.87 +1.87 C165 1 OT85-100 M49F Minn. 1.2515 0.5OO1 23.98 0.9195 41.49 0.~728 57.78 1.2922 +0.0407 103.25 +5.25 C16~ k L85-100 M~iE M~nn 1.2515 0.5517 28.10 0 ~ 505~ 40.22 0.4105 52.80 1.2696 +0.0141 101.12 +1.12 C165 k L85-100 M52E Minn. 1.2510 0.5056 24.27 0.5171 ~1.~3 0.4621 ~6.95 1.2828 +0.0318 102.54 +2.54 C166 1 L85-100 M91F Minn. 1.2500 0.2625 21.OO 0.6201 49.61 0. ~088 ~2.70 1.2914 +0.0414 105.50 +3.30 C167 1 L89-100 M50F Minn. 1.2549 O. 2784 22.19 O. 5114 40.7~ O. 5022 40.02 1.2920 +0.0371 102.96 +2.96 C168 1 L89-100 M52F Minn. 1.2972 O. 2768 22.02 O. 5612 44.64 O. ~684 57.26 1.5064 +0.0492 103.92 +5.92 C169 k L85-100 M~~E Mich. 1.25~3 O. ~166 25.26 O. 9210 ~1.57 O.~525 ~6.10 1.2901 +0.0~68 102.93 +2.93 C170' b L85-100 ~26 Local Sand 1.2520 0.2929 2~.56 0.4900 59.14 0.9160 ~1.21 1.2985 +0.0465 103.71 +~.71 C171 a L85-100 ~27 Local Sand 1.2548 O. 2958 25.41 O. 5100 ~0.64 O. 5009 59.92 1.5047 +0.04 99 105.97 +3.97 C172 1 L85-100 MDLF Mich. 1.2521 0.2724 21.76 0.4791 58.26 0.5214 41.64 1.2729 +0.0208 101.66 +1.66 C173 n 0L85-100 M68D Minn. 1.2932 0.3872 30.90 0.4~07 55.17 0.4507 55.96 1.2786 +0.0254 102.03 +2.03 ~ Test stopped because the oils would not pass through alumina during their removal with pentane. Test 0165 is a repeat of this test. 3

EXPOSURES ERI PROJECT 2249 Ohio Oil Company, Findlay, Ohio Test Results on Composition of Asphalt Original and Recovered Material -I Type of Exposure Test Mat'l Heating Mix Time Mixture Heating Exposure Ahalt Hobart, Tie, TeI p Type of Oven Test Conditions 0 a 400 300 1 30 350 F. Draft Cool 45 minextract and recover AC. NM to M135. ai 350 300 1 30 325 F. Draft Cool 45 min, extract and recover AC. All tests above 36A. b 400 300 1 30 350 F. Draft Air weather 72 hr in laboratory. M1 to M35. c Same as b Air weather 24 hr in laboratory. MI to M135. d Same as b Air weather 48 hr in laboratory. MI to M35. mt e Same as b Heat in force draft 72 hr at 1400F. MI to M35. f Same as b Heat in force draft 24 hr at i400F. MI to 145. g Sane as b Heat in force draft 48 hr at i4o0F. ML to M355. h 350 300 1 90 325 F. Draft Cool, extract, and recover. Michigan and Minnesota aggregates. i Same as h Intended to be run on Minnesota aggregate. No tests performed. j Same as h Mixture of Michigan aggregate using Garland-Duct-Spot blend. -I k 350 300 1 30 350 F. Draft Loose spread in shallow pan and expose 60 days outdoors. 1 Same as k Compacted to 4" diameter x 4-1/2" cylinder and exposed 60 days outdoors. m 350 300 1 30 325 F. Draft Cool, extract and recover. Michigan aggregate with Garland-Duct-Spot. n 350 300 1 180 325 F. Draft Cool, extract and recover. Michigan and Minnesota aggregates with regular test asphalts and special Garland-Duct-Spot blends.

Ohio Oil Company, 1indlay, Ohio Mixing, Extraction, Recovery, and Standard Tests of Asphalt, Original and Recovered TABLE II ^ Teot Test Weight f Asphalt Weight of Aggregate ~ ~ Soft Pt R and B ~ ~ t Ho. E osure Type of Asphalt Source of Asphalt Tpe of Aggregate (Goams)~ (Gras) Penetrat on Ductility Specific Gravity, Loss on Heati Losson Heating PC Ash Skell"S' Spot Xylene Spot ~ ~ ~ ~' ~' ~'~1^ ~' 0185^o~ StOg'od Oy 1 Rood 41 RiglMC~lorglHodl \yE I Rog Rv R0od L v Pe R T penRe P rig I Rcvd I1 iRcd Orig I Rovd OrIg iRcvd Mi a 085-100 Leonard Std Ottawa Sand 3121.12 123.52 1880.00 1879.98 83 44 150+ 150+ 1.02 1.027 0.000 75 0.058 40 46.3 50.9 0.078 Ne Bog NBg tg Nog M2 0ao85-100 Leonard Std Ottawa Sand 120.13 120.12 1880.00 1881.74 85 48 130+ 150+ 1.024 1.023 0.000 7 080 46.3 50.6 0.078 NBg Nog Bog Bo Neg K3 0a25-100 Leonard Std Ottawa Sand 119.92 119.91 1880.00 1879.84 85 49 150+ 150+ 1.024 1.026 0.000 75 0.116 44 46.3 0. 0.078 NBg Neg Nog Bog 04 a 28-100 Lion Std Ottawa Sand 119.82 119.36 1880.00 1880.64 95 62 150+ 150+ 1.018 1.021 0.000 88 086 55 45.7 48.9 0.0345 Neg Nog Bog Beg M5 1a S-100 Lion Std Ottawa Sand 121.91 122.66 1880.00 1880.02 95 61 150+ 158+ 1.018 1.021 0o.oo 88 o.o90 56 45.7 49.6 0.0345 NBg Bog Bog Bog 06 a 185-100 Lion Std Ottawa Sand 120.00 121.35 1880.00 1881.10 95 53 150+ 150+ 1.018 1.019 0.000 88 0.096 46 43.7 51.6 0.0345 NBg Bog Bog Bog M7 a ST85-100 Toro'oun Std Ottawa Sand 120.09 120.534 1880.00 1876.15 86 39 150+ 150+ 1.027 1.032 0.030 75 0.066 34 45.1 53.6 -- Keg PBo ol g Bog 88 o oT85-100 Trumbull Std Ottawa Sand 120.00 120.57 1880.00 1881.08 86 46 150+ 150+ 1.027 1.032 0.030 7 0.092 4 3.1 52.3 Bg Bog Neg Bo 0 M9 ao83-100 Trumbull Std Ottawa Sand 120.47 120.79 1880.00 1881.74 86 51 150+ 150+ 1.027 1.031 0.030 73 0.072 45 45.1 31.9 NBg Bog Bog Bog M00 01L3-100 Leonar0 Local S00d 121.604 121.620 1880.00 1873.06 83 53 150+ 150+ 1.024 1.027 0o.oo 73 0.070 44 46.3 51.6 0.078 NBg Bog Bog Bog 0. b 0128-100 Leonard Local Sand 119.350 118.721 10.00 Error 83 47 150+ 150+ 1.024 1.031 0o.oo 73 0.o62 41 46.3 52.4 0.078 NBg Bog Bog Bog o12 c OL85-100 Leonard Local Sand 121.074 120.968 1880.00 0883.00 83 45 150+ 150+ 1.024 1.031 0.000 75 0.054 38 46.3 53.5 0.078 NBg Bog Bog Bog 013 d o185-100 Leonard Local Sand 120.531 120.965 1880.00 1880.00 83 43 150+ 130+ 1.024 1.029 0o.oo 75 0.052 38 46.3 53.8 0.078 eBg Bog Bog Bog M0.4 o 0L85-100 Leonard Local S00d 120.907. 119.750 1880.00 1883.00 83 443 150+ 130+ 1.024 1.009 o.ooo 73 0.078 37 46.3 31.9 0.078 NBg Bog Bog Bog 013 085-1oo Lonard Local Sand 120.360 120.221 1880.00 1883.00 83 39 150+ 150+ 1.024 1.031 0.000 73 0o054 33 46.3 53.8 0.078 NBg Bog Bog Bo 016 g o85-100 Leond Local Sand 119.851 119.262 1880.00 1881.00 83 52 150o 15+ 1.0214 1.028 0.000 75 0.04 4 46.3 49.0 0.078 N- g og TB 1ce 1 017 b 0123-10+ Lonard Local Sand 120.562 120.075 1880.00 1884.00 83 53 150+ 150+ 1.024 1.028 0.000 73 0.036 47 46.3 47.0 0.078 - Bog og SI. 01 018 0 +125-100 Leonard Local Sand -- AC tested before weighing.. 83 59 150+ 150+ 1.024 1.029 0.000 75 0.0 32 46.3 48.0 0.078 - N Neg B eg SI 1. 019 d OL85-100 Leonard LocalSand - Distilling column broke accidentally, test not completed. M20 0 5-100 Lion Local Sand 119.732 119.253 1880.00 1881.00 95 67 150+ 150+ 1.018 1.018 0.000 88 0.08 58 43.7 50.0 0.0345 1 - 1 Bg NB g No Bg 021 0 0123-1+0 duet ofd Loca1 0a0+ 12o.621 119.317 1.0 1881.00 83 51 150+ 150+ 1.024 1.031 0.000 75 0+.62 44 46.3 1.6 0.078 NBg Bog Nog Bog 022 This toot v010e0 0040 to loss of b0+z0+0 0du0in0 ex000100o. M23 g 125-100 Lion Local Sand 120.6+1 120.278 1880.00 -- 95 65 150+ 150+ 1.018 1.029 0.000 88 0.048 56 45.7 50.3 0.0345 - Beg Neg Beg Nog 014' 123-100 Lon Local 00+0 120.615 120.130 1880.00 1000.00 95 70 150+ 150+ 1.018 1.023 0.000 88 0.036 61 45.7 49.7 0.0345 - Neg Neg Neg Neg 0+3 e 123-100 Lon Local Sand 121.585 120.945 1880.00 1883.00 95 55 150+ 150+ 1.018 1.024 0.000 88 o.0 49 43.7 51.6 0.0343 - og Bog Bog Bog 016 8 123-100 Lioo +1ca +a+0 120.600 100.03 1180.00 -- 93 68 130+ 130+ 1.018 1.022 0.00+ 88 m4. 60 43.7 49.9 0.0343 Neg 00eBg 00g Bog M27 a L85-100 Mion 10+o10000 1an 21.234 120.973 188.-00 1883.00 93 7,,6 130+ 130+ 1.010 1.022 0. 0 88 0.o 6 43.7 48.3 0.0343 NBog N0g Bog Bog 8 Garl+ lO-8-100 +arland1 Lell 01 91.. 150+ 01 1.034 1 0.01+ 74 o. 46.6 -- og N Bog -e oT83-1+0 Tyogobull 86. 130+ -- 1.02-9. 0.8042 72 43.1 - — BNg Ne00g - \J1 028 g 0283-100 Tru+bull Local Sand 120.801 120.550 1860.00 1801.00 86 47 130+ 150+ 1.029 1.05-,.04+ 72 0.068 44 45.1 52.9 -- l.08 Neg S+.Pos 000 0eg 829 + 123-100 Lion Local Sand 121.515 121.283 1880.00 1882.02 95 68 150+ 150o 1.018 1.022 0.000 88 0.058 60 43.7 50.2 0.0345 0.72 Bog NBg Nog Bog M00 a oT85-100 Truobull Local Sand Test void due to leaking of 1lquid from cover of supercentrifuge. 030-1 a 0o85-100 Trugbull Local Sand 121.005 120.659 1880.0+ 1882.00 06 46 150+ 150+ 1.029 1.036 0.042 72 0+.64 41 45.1 52.8 -- 1.01 Neg SI.Po Fos N og Ne 031 a o85-100 Trumbull Local Sand 121.094 120.590 1080.00 1883.02 86 46 150+ 150+ 1.029 1.033 0.042 72 0.090 42 45.1 33.0 0.74 Bog 01.0+s Bog Bog 032 0 0283-1+0 Trugbuon Local Sand 120.597 119.796 1880.00 1884..oo 86 40 150+ 150+ 1.029 1.035 0.042 72 0.074 36 43.1 33.2 1.03 Bog S1.P+s Bog Bog 833 b oT85-lOO Trutbull Local Sand 120.873 120.016 1880.00 1882.00 86 47 150+ 150+ 1.029 1.032 0.042 72 0.072 42 43.1 31.9 0.23 Beg Bog Bog Bog M34 a OT85-100 Tru7bull Loc Sand0 + 3% Lie 121.955 121.125 1880.0+ 1877.00 86 45 150+ 1530+ 1+9 1.034 0.042 72 0.098 41 43.1 32.0 0.27 Bog Bog BIg Bog 033 a 0283-100 Trumbul Loc Sand 0+00 3% L 120.245 119.795 1880.00 1880.00 86 46 150+ 150+ 1.029 1.033 0.042 72 0.036 41 45.i 51.6 0.36 Bog og Bog Bog 036A 0123L8-100 Leonard M10400+0a Agg 110.334 1+2.0+8 1800.00 108.800 63 39 130+ 1304+ 1.o24 1. 0+ 0.000 73 0.065 34 46.3 53.9 0.078 0.68 Bog Bog Neg Bog Spoc 1 Grland-Duot-Spot 3% Bo Aggoogate +00011+0 Blood -- -83 -- 150+ -- 1.0a3 -- 0.058 77 -- -- 45.6 — 0.03 - os N B 0 Spec 2 Garland-Duct-Spot 6% No Aggregate Check of Blend - - - 7 1+ 1.03 0.04 7 44.8 0.06 -- yo - Bg - Spec 3 Garland-Duct-Spot 9% No Aggregate Check of Blend - - - 91 10+- 1.031 0.0. 78 43.2 0.02 -- - g - Spec 4 Garland-Duct-Spot 12% 0o Aggregate Check of Blend - - - 95 - 150+ - 5032 - 0.062 81 42.8 0.29 NBg N g Spec 5 Straight Duct-Spot, Century No Aggregate Check Orig Mat'1 - - - 160 - 18 -.02 1.410 98 39.0 0.04 - Bog - Bo -~ Spec 6 Garland-Duct-Spot 7% No Aggregate Check of Blend - - - 91 - 150+ -.033 - --- -4.2 0.19 o y Spec 7 Garland-Duct-Spot 80 No Aggregate Check of Blend - - - 88 - 150+ - 1.032 - --.4.1 0.17:os Ne g -- 0378 a1 0123-100 Leonard Minn. 111.339 10o.658 1890.00 1898.00 83 41 130+ 150+ 1.024 1.029 0.000 75 Insufficient 46.3 54.1 0.078 0.72 Bog Beg Bog Nog K58A a, OL85-100 Leonard Minn. 110.958 106.050 180.00 -- 83 57 150+ 150+ 1.024 1.023 0.00+ 75 46.3 48.8 0.078 0.15 Beg Bog Bg Bg 039A ai +123-100 Leonard Mich. 112.466 109.850 1088.00 1885.00 83 57 150+ 150+ 1.024 1.027.000 75 06.3 49.7 0.078 1.95 Bog Bog Bog Nog 064+1 ai OL85-100 Leonard Mich. 111.636 111.141 1888.00 1887.00 83 54 150+ 150+ 1.024 1.026 0.000 75 46.3 49.9 0.078 0.8 Bog Bog Bog Bg M410A ai OL85-100 Leonard Mich. 110.298 109.474 1887.00 1887.00 85 63 150+ 150+ 1.024 1.026 0.000 73 46.3 46.4 o'.78 0.81 BO g Bog Bog Bog 02A ai O083-100 Truybull Mich. 110.909 129.6611 888.00 1886.00 86 50 150+ 150+ 1.029 1.032.0.2 72 Recovered 43.1 49.5 0- 0. Bg Bog Bog Bog 0470 01 OT85-100 Trumbull Mich. Bot computed-Asphalt loss In supercentrifu1e. 86 57 150+ 150+ 1.029 1.051.0.2 72 45.1 47.3 - 90 Bog Bog Beg eog 044A a, 085-100 Trumbull Mich. 109.963 129.174 1898.00 1880.04 86 57 150+ 150+ 1.029 1.033.0142 72 45.1 06.9 0.72 Bog Bog Bog Bog 4A a, 125-100 Lioo Mich. 13'1.447 110.335 1890.00 1887.04 93 76 150+ 150+ 1.018 1.019 0.000 88 43.7 44.2 0.0345 0.12 Bog Bog Bog Bog 046A ai 185-100 Lion Mich. 110.441 109.353 1890.00 1890.00 95 Y5 150+ 150+ 1.018.018 0.000 88 43.7 44.5 0.045 0.22 Bog Bog Bog Bog 047A a, 0285-100 Truabull Minn. 111.065 105.645 1890.00 1898.04 86 53 150+ 150+ 1.029 1.030.0142 72 Material 45.1 49.4 -- 0.22 Bog Bog Bog Bog 1 ai 028-100 Trumbuod Minn. 109.539 104..867 1890.00 1896.04 86 55 1500 150+ 1.029 1.031.0142 72 45.1 491 - 0.33 Bog Bog Bog Bog M9 ai OT85-100 Trumbull Minn. 110.719 1053.5 1890.00 1898.00 86 51 150+ 150+ 1.029 1.030.0142 72 43.1 51.6 - 0.26 Bog Bog Bog Bog A 1235-100 Li+n Minn. 111.472 1o6.40 1890.00 1893.04 95 71 130+ 130+ 1.018 1.018 0.000 88 45.7 48.8 0.0345 0.14 Bog Neg Bog Bog M51A* a, 185-100 Lion Minn. 110.810 102.770 1890.00 1898.00 95 32 150+ 19 1.018 1.022 0.000 88 43.7 62.4 0.0343 0.13 BO g Bog Bog Bog 0304 al 185-1oo Lion Minn. 112.000 106.782 110.02 1893.50 95 75 150+ 150+ 1.018 1.018 0.000 88 No Data 43.7 06.1 0.0345 0.2og Bog Bog Bog 03A a,. 82-100 Loo Mih. 3110.490 129.814 1890.04 1890.00 95 76 150+ 150+ 1.018 1.020 0.000 88 43.7 48.1 0.0343 0.66 Bog Bog Bog Bog M534B 0123-100 Leonard Minn. 110.535 10o.260 1890.0+ 1897.00 83 30 150+ 93 1.024 1.028 0.000 75 46.3 55.6 0.878 0.21 Bog Bog og Bo I 033B h OT08-100 Trumbuol Minn. 110.978 104.756 1890.00 1898.02 86 32 150+ 150+ 1.029 1.034 0.042 72 43.1 33.3 -- 0.10 Bo g Bog Bog Bog g568 h 123-100 Loo Mio. 111~187 104.478 1890.04 1899.00 95 41 150+ 123 1.818 1.022 8.000 88 45.7 34.0 0.0345 0.13 Bog Bog og Bo - 037B h 0123-100 Leonard Mich. 110.685 109.543 1890.00 1898.00 83 38 150+ 150+ 1.024 1.025 8.000 75 Obtained 46.3 34.2 0.8 0.12 Bog Bog Bog Bog All 0i1i0g test exposures a to g Inclusive by modified Shattuck equipment. *Asphalt mix heated to 385F instead of 350~F.

ro Ohio Oil Company, Findlay, Ohio l Mixing, Extraction, Recovery, and Standard Tests of Asphalt, Original and Recovered TABLE II (Conclued) Toet Toight ofSAsphaltoWeof tTofyAggregafeWeight of Mixtooo Test Test Soure of Type of IightofAgpholt Wight f A0ega t o (Grams) Penetration Ductility SpecoificOravity Soft Point R and B SOtdoor WeathO 3990t08 ylisdo22 Type of Asphalt eo Asphalt (Grams) (Grams) -_. II.. i No. Ex ofpospusrteso Aggregate (BoR) BAfooo O ig Re oooss on die Iogig Loss on Hoati S Cent gde Ash Ske 5 "S" St Xoo S-t3 Date 03.0 Oig Rood Ogig 52+6 Rood ~~~~So +, ~ ~ oo SotFos ~. Bsi ~ ~ ~r~g~' ~ R~1vd eI ~ 1~1~ ~\~ ~ 1 ~ Prigi I Pen Res Rcvd I Pen Res Orig I Rcvd Prig I Rcvd Orig I Rcv MR I Rcvd Start I Finish S.r. IDety 36 85-100 Lo d.(loo). 73.0 189. 6. 2 1998. 8 9 3 1.024 l.0~8 0.00 75 Insufficient 46.5 94. 0.078 0.15 eg Pos Neg Neg 6/2/56 8/1/56 - - M36F 1 0L85-100 Leonard Minn.(ccsp) 110.0 80.0 1090.0 1808.0 1992.0 1996.0o 83 355 1500 150+ 1.024 1.024 0.00 75 46.3 54.90 0.078 0.22 Bog Bog Neg Bog 6/2/56 8/1/56 2.40 149.88 M37E k oL85-100 Leonard Minn.(loose) 110.0 77.0 1890.0 1904.0 1995.0 1995. 83 5 150+ 2 1.024 1.041 0.00 75 46.3 100.00 0.070 0.12 Neg log Neg Neg 6/2/56 8//56 - M57F I OL85-100 Leonard Minn.(coop) 110.0 4. 1868.0 171.0 1970.0 1973.0 0 0 150 150+ 1.024 1.026.o 75 46.3 57.3 0.078 0.41 Hg S1. Pos Hg Bg 6/2/56 8/3/56 2.414 150.6 m38E o85-100 Leonard oinn.(loose) 110.0 86.0 1890.0 1903.0 1996.0 2000.0 83 3 150+ 150+ 1.024 1.027 0.00 75 46.3 56.0 0.078 0.18 Neg Neg Neg Neg 6/4/56 8/4/56. M58F 1 OL85-100 Leonard Minn.(coup) 110.0 85.0 1890.0 1891.0 1995.0 1994.0 83 44 1500 150 1.024 1.026 0.00 75 46. 5.4 0.07 0.13 Neg Trace Bg Bg 6/4/56 8/4/56 2.37 148.95 M39E k OL85-100 Leonard Mich.(loose) 110.0 92.0 1890.0 1884.0 2000.0 1996.0 83 31 50+ 150+ 1.024 1.034 0.00 75 46.3 57.7 0.078 0.42 B'g Trace Neg Bg 6/16/6 8/6/56 2 M39F 1 OL85-100 Leonard Mich.(comp) 110.0 07.0 1890.0 1079.0 1991.0 1901.0 83 61 150+ 150+ 1.024 1. 003 0.00 75 46.3 50.1 0.078 0.0 Neg Bog Bg Neg 6/6/56 0/6/56 2.4 55 M58B h 0T85-100 Trumull Mich. 110.663 109.348 1890.0 1890.0. 40 11+ 150+ 1.029 1.052 0.042 72 45.1 53.0 - 0.21 Bog Bog Bog BNeg 059B h L85-100 Lion Mich. 110.0 89.025 1890.0 95 56 150+ 150+ 1.013 1.021 0.00'0 45.7 50.0 0.035 0.20 Neg Neg Bg Neg 860C m Garland-Duct 9 Blend Mich. 112.011 110.676 1890.0 1000.0 91 L5 150+ 100+ 1.01 1.6 0.058 8 4.2 47.1 0.19 0.26 Neg P0o Bog Neg M61+ j Garland-Duct 9 Blend Mich. 109.003 100.84 1890.0 1009.0 -91 55 1300 150+ 1.03 1.04o 0.056 78 45.2 53.9 0.09 0.25 Beg Pos Neg Neg - M670 n Garland-Duct 9% Blend Mich. 111.025 9 081.47 1890.0 18S9.0 91 -0 1 1 1.01 1.042 0.05 7 4.2 60.0 0.9 0.41 g 0 Neg Neg 67D n O185-100 Leonard Mich. 110.753 100.818 1890.0 1091.0 l 3 4 150+ 19 1.024 1.023 0.00 75 46.3 61.1 o.' 6 0.19 Bog 01. Pos Neg Neg +64D O OT85-100 rdmbull Mlch. 10.1541 107.-01 1090.0 1009.5 -+ 19 150+. 1.0+9 1.039 0.042 72 4.i' 70.1 0.15 Ng Pos Neg Neg+65A o Oarland-Duct 12% Blend Mich. 109.825 10o.29T 1092.0 93 54 101 150+ 1.032 1.056 0.002 811 42.1 52.3 0.040 0.10 Bog Pos Neg Neg +66B I Garland-Duct 12% Blend Mich. 101.200 99.902 190.0 1009.0'9 34 101 150+ 1.032 1.059 0.002 01 40.E 50.1 0.041 0.32 log Po BNeg Neg MI67D n Garland-Dut 12% Blend Mich. 109.557 107.589 1890.2 195.0 -93 23 101 1.052 1.043 0.002 01 42.E 71.2 1.046 7.16 I8og Pos Neg Neg M40E k O85-100 Leonard Mich. (loose) 110.0 90.0 1890.0 1 00.o 190.0 200.0 05 35 150+ 150+ 1.0+4 1.051 0.00 75 46.3 57.3 1.170 c.246 12g Neg Neg Neg 6/8/56 8/9/56 -.40F 1 OL85-100 Leonard Mich.(comp) 110.0 70.0 1090.0 107-0. 191.0 1909.0 47 150+ 15+ 1.024 1.026 0.00 75 46. 53.3. 07 0.29 eg oNeg Neg Neg 6//56 8/8/56 2.477 154.56 M5F I O85-100 Leonard Mich.(cmp) 110.0 00.0 190.0 100.0 1990. 1992.0 03 40 150+ 150+ 1.02 1.026 0.00 75 46. 52.o 1. 0 7. 752 Bog Neg Bog Neg 6/9/56 8/9/56 2.485 155.06 M41E k 085-100 Leonard Mich.(loose) 110.0 99.0 1859.0 1i01.o 1094. 1995.0 83 32 150+ 1500 1.024 1.031 0.00 75 4,.e 57.a 0. 7. 0.382 0- Beg Neg Neg 6/9/56 8/9/56 2 M42E k OT85-100 Trumbull Mich. (loose) 110.0 95.0 1090.0 ISS.0 1995.0 1995.0 86 52 150+ 150+1.029 1.0 0.042 72 5.1 56.5 19 eg Pos Neg NeBg 6/11/56 8/10/56 - M42F 1 0T85-100 Trumbull Mich.(comp) 110.0 96.0 1090.0 1079.0 1005.0 1995.0 06 51 150+ 150+ 1.029 1.033 0.042 72 4.1.9 -. 042 eg Neg Neg Neg 6/11/56 8/12/56 2.495 155.69 rr +472 1 OT05-100 Trumbull Mich.lompe) 110.0 95.0 1805.0 1385.0 1990.0 1998.0 86 40 150+ 150+ 1.09 1.04 0.042 72 Material 45.1..79 3eg 8 g Bog Bog 6/13/56 8/15/56 2.49 155. m43E oT85-100 Trumbull Mich.(loo ) 110.0 78.0 18 00 5.0 10.90 10 0 6 35 150+ 150+ 1.019 1.041 0.042 72 ".'.014 o Po Beg Beg 6/13/56 8/13/56 ~ ~ M440 k 0T85-100 TrLimbu1 Mich.(loose) 110.0 87.0 189.0 1078.0 1974.0 1970.0 86 09 150 150+ 1.029 1.036 0.042 72 o. l9; Ng Pos Bog Bog 6/15/56 8/16/56 - +44F 1 0085-100 Trumbull Mich.0comp) 110.0 95.0 1890.0 17.0 86 50 150+ 150+ 1.029 1.052 0.042 72 e S1. "s Neg Neg 6/15/56 8/15J M45E k 085-100 Lion Mich.(loose) 110.0 95.0 190.0 180986.0 196.0 1998.0 95 41 15+ 150 1.018 1.024 0.00 88 43'o71 ^ C3 3 eg Ne0 PBg Neg 6/16/56 8/15/56 24 15 M45F 1 185-100 Lion Mich.(co.p) 110.0 97.0 2090.0 1879.0 1990.0 1990. 0 95 66 150+ 150+ 1.018 1.019 0.00 88'1.6 Z 0 Neg Bog Bog Bog 6/16/56 8/17/56 - M46E k L85-100 Lion Mich.(loose) 110.0 98.0 1890.0 1089.0 000.0 2003.0 95 35 1500 150+ 1.018 1.020 0.00 88 =1o9'^3 0.1 N~g Bog Neg Beg 6/10/56 8/18/56. +46F 1 185-100 Lion Michn.(+comp) 110.0 90.0 1890.0 1076. 1906.0 1907.0 95 66 150+ 150+ 1.018 1.019 0.00 88 403014 0eg Neg Beg Neg 6/18/56 8/18/56 2.509 156.56 M47E k OT85-100 Tr01ull Minn.(loose) 110.0 85.0 1890.0 109.0 2004.0 2313.0 8 29 150+ 2 1.029 1.035 0.042 72 Bo1 4' NeBg Neg Neg 6/20/56 8/00/56 M47F 1 OT85-100 Trumbull Minn. (comp) 110.0 583.0 1890.0 1897.0 1994.0 1996.0 6 45 15 150+ 1.029 1.01 0.042 72 4 1 3.12 g Neg Neg Neg 6/20/56 8/20/56 2.77 148.2 M08E k 0085-100 7mbL+21 Minn. (loose) 110.0 81.0 1890.0 189.0 1999.0 9004.0 86 31 150+ 150+ 1.029 1.036 0.042 72 4 +l og Neg Neg Neg 6/1/56 8/0/56. M40F 1 oT85-100 Trumbull Minn.(camp) 110.0 8.0 1090.0 1590.1 1995.0 2002.0 86 46 150+ 150+ 1.029 1.03 0.042 72 Bo ".5 g Bog Bog Bog 6/22/56 8/2/56 2.38 145.9 M49E k.T85-100 5101bull Minn. loose) 110.0 85.o 1890.0 2002.0 2003.0 2103.0 86 31 150+ 150+ 1.029 11035 0.o2 72 No Doata 54. 1- Bog Bog Beg NeBg 6/23/56 8/24/56 - M49+ I oT85-100 Trubull Minn. (comp) 110.0 47.0 1090.0 1897.0 199.'0 2000.0 86 40 150+ 150+ 1.029 1.031 0.042 72 1.1 ~ - 92 Bog Bog Bog Neg 6/27/56 8/24/56 2.9 149. 50E k L85-100 Lion Minn.(loose) 110.0 87.0 189o.0 1894. 1954.0 1990.0 95 44 150+ 1500 1.018 1.021 0.00 08 _ 5. -5.5.011 NeBg Neg Bog Neg 5/25/56 8/25/56 M50F 1 L85-100 Lion Minn. (comp) 110.0 82.0 1890.0 1895.0 1996.1 2002.0 95 63 150+ 150+ 1.018 1.021 0.00 00 Bo'" 1 eg Nlog oeg Neg 6/25/56 8/25/56 2.384 148.76 M51E k L815-a100 Lion Mih. (loo) 110.0 83.0 1890.0 1904.0 199910 2003.0 95 2 150+ 13 1.018 1.025 0.00 - Neg Neg Neg 6/27/56 8/27/56 M51F I L85-100 Lion Minn. (comp) 110.0 0 5.o 190.0 189.0 1997.0 001.0 9 56 150+ 150+ 1.018 1.00 0.00 8 g g g 6/27/56 /27/56 5 148.82 M52E k L85-100 Lion Minn.(loose) 110.0 86.0 1690.0 1906.0 2001.1 2+03.0 95 45 150+ 150+ 1.018 1.021 0.00 88 -+ 0:5+7 BO Neg +Trace Beg Neg 6/29/56 8/29/SO -- M529 1 L85-100 Lioo Min0.()omp) 110o 79.0 1090.0 1096.7 1999.1 2003.0 95 63 150+ 150+ 1.018 1.020 0.00 00 -9...035 6 995 Neg Neg Neg Neg 6/29/56 8/29/56 2.354 149.39 M53E 0 15-100 Lion Mich.(loooe) 110.0 95.0 1090.0 1886.1 1990.1 1999.0 95 41 150+ 150e 1.018 1.0+7 0.00 0.D 0700 BOW Bog Bog BOO 6/30/56 31/56 M53+ 1 L85-100 Lion Mich.(cc9p) 110.0 95.0 1890.0 1004.0 1954.0 1993.0 95 58 150+ 150+ 1.018 1.021 0.00 88 45.- c035 O.C~ Neg Neg Neg Neg 6/30/56 8/31/56 -- M68D n OL85-100 Leonard Minn. 110.973 - 1890.03 19 150+ 6 1.024 1.054 0.00 75 40 S.3lo 0 0 g Pos Neg NegM69D n OT85-100 Truabull Minn. 112.207 80.0 1890.0 1099.0 06 20 150+ 52 1.099 1.054 0.42 451 59 9 C03 NeBg 01. Pos Bog Neg M70D n L85-100 Lion.nn. 110.785 101.505 1890.0 1902.0 - - 95 27 150+ 9 1.010 1.022 0.00 06 Obtained 4.7 g Bg g - 6 0

EXPOSURES ERI PROJECT 2249 Ohio Oil Company, Findlay, Ohio S Test Results on Composition of Asphalt - Original and Recovered Material Type of Exposure - Test Mat'l Heating Mix Time Mixture Heating. Exposure Agg Asphalt obart, Time, Temp, of Oven Test Conditions Exposure Type of Oven OF OF min min OF a 400 300 1 30 350 F. Draft Cool 45 min,extract and recover AC. Ml to M35. a1 350 300 1 30 325 F. Draft Cool 45 min, extract and recover AC. All tests above 36A. b 400 300 1 30 350 F. Draft Air weather 72 hr in laboratory. Ml to M35. c Same as b Air weather 24 hr in laboratory. Ml to M35. <- d Same as b Air weather 48 hr in laboratory. Ml to M35. e Same as b Heat in force draft 72 hr at 140~F. ML to M35. f Same as b Heat in force draft 24 hr at 140oF. Ml to M35.0 f Same as b Heat in force draft 48 hr at 1400F. ML to M35. h 350 300 1 90 325 F. Draft Cool, extract, and recover. Michigan and Minnesota aggregates. i Same as h Intended to be run on Minnesota aggregate. No tests performed. j Same as h Mixture of Michigan aggregate using Garland-Duct-Spot blend. -I k 350 300 1 30 350 F. Draft Loose spread in shallow pan and expose 60 days outdoors. 1 Same as k Compacted to 4" diameter x 4-1/2" cylinder and exposed 60 days outdoors. m 350 300 1 30 325 F. Draft Cool, extract and recover. Michigan aggregate with Garland-Duct-Spot. n 350 300 1 180 325 F. Draft Cool, extract and recover. Michigan and Minnesota aggregates with regu- c lar test asphalts and special Garland-Duct-Spot blends. l l~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

,The University of Michigan Engineering Research Institute, Ohio Oil Company TABLE fIII Percent Change in Composition and Properties of Asphalt Related to Exposure Conditions Included data presented on graph no. 1 I C m poition'Physical Properties A.. ~Asphtns i ~Oils i Resin iO/A IR/A iR/O IPenet ID tiS pGiLonH!Pen Soft Pbl SoLti~/ P s Ikelly Ixylene L on H Res "F ~~n Ratio'S' Spot I ~ot Original Asphalt Or ig O.L. 18. 57 54.27 47.16 1.846 2. ~40 1. 376 83 150+ 1. 024 Oo 7 1. 3 O.30.7 e Orig L. 18.82 36.79 44.39 1. 955 2.359 1.207 95 150+~ 1. 018 O. O0 88 114.26 1.203 O. 035 Neg Neg Orig O.T. 20.12 34.34 45.~4 1.707 2.263 1.326 86 150+ 1.027 0.030 7 1.1.1 e e Ottawa Sand Aggregate O.L. (a) 22.75 34.47 42.78 1.515 1,881 1.241 47 150+ 1.025 0.085 42 123.O8 2.619 Neg Neg 46Change +22.51 +0.58 -9.29 -17.93 -25.94 -9.81 -43. 37 0.0 +0.10o -44.00 +6.71 +88.42 L. (a) 22.62 55.87 41.51 1.586 1.835 1.157 59 150+ 1.O20 0. O91 52 122.00 2.O68 Neg Neg gChange +20.19 -2.50 -6.49 -18.87 -22.21 -4.14 -57.89 O. O +0.20 -40.91i +6.77 +19 O.T. (a).25.02 35.42 39.56 1.416 1.581 1.117 45 150+ 1.032 0o.077 40 126.68 2.815 Neg Neg Change +24.55 +3.15 -13. 13 -17.05 -50. 14 1. -76 ~ 04 66 +lg 139 Local Sand Aggregate O.L. (a) 22.71 38.96 38. 33 ~1.716 1.688 0, 984 55 150+ 1.027 0.07?0 44 124.88 2.356 Neg.Neg Change +22.29 +13.69 -18.74 -7.0 -33.54 -28.49 -36. 15 0.0 +0~ -13 +.2 +9.5 L. (a) 22.52 39.08 38. 59 1.735 1.705 O. 982 76 150+ 1.022 O. 044 66 ll8. 94 1.565 Ne g Neg Change +19.66 +6.22 -13.52 -11.25 -27.72 -18.64 -20.0 0.0 +0. 39 -25.0 +4.10 +00 O.T. (a) 46 150+ 1.035 0.077 42 127.22 2.766 0.088 S1 Pos Negl echange -46. 51 o~~~~~~~~~~~~o ~ +0.78 +156.67 -44.0o +12.41 +110.18 O.L (b) 25.26 34.27 42.48 1.473 1.826 1.239 47 150+- 1.030 0.036 47 126. 32 2.688 Neg S1 Pos Change +25.26 0.00 -9.92 -20.21 -28. 11 -~6 -37. 05 3.3 9 2+39 L. (b) 22.53 37.74 39.74 1.675 1.764 1.053 68 150 + 1.022 0. 044 60 121.82 1.791 Neg Neg Change +19.71 +2.58 -10.48 -14.32 -25.22 -12.76 -28.42 0.0 +0. 39 -31.82 +6.62 +48.88 O.T. (b) 47 1~0+ 1.032 0. 072 42 125.42 2.669 Neg NeE QChange -45. 35 0.O +0.49 +140.0o -44.0o +10.81 +102.81 O.L. (c) 23.92 34.12 41.96 1.426 1.754 1.230 45 150+ 1.031 0. 054 38 128. 30 2.851 Neg Neg Change +28.81 -0.44 -ll. 03 -22.75 -50. 95 -10. 61 -45.78 0.0 +0.68 -49. 33 +11.24 +105. ll L. (c) 68 150. 1.022 0.058 60 122.36 1.799 0.072 Neg Neg ~~ Change ~ ~ ~ ~ ~ ~ -28.42 0.0 ~~~~~~ +0. 39 -31.82 +7.09.49.54 +105.71 O.T. (c) Change O.L. (d) 23.65 37.47 38.89 1.584 1.644 1,058 45 150+ 1.030i 0.057 41 128.84 2.996 Neg Neg Change +12.74 +9.34 -17.54 -14.19 -35.28 -24.56 48.19 0.0 +.5 4.3+17 155 L. (d) 22.20 38.92 38.88 1.753 1.751 0. 999 67 15 0+.18 0.048 58 122.00 1.821 Neg Neg gChange +17.96 +5.79 -12.48 -10.55 -25.77 -27.40 -29.48 o 0.0 0 3.09 67 5.3 O.T. (d) 40 150+ 1.036 0. 071 40 131. 56 3.284 1.06 S1 Pos Neg 9 Change -53.49 o~~~~~~~~~~o +0.88 ~~~ +136. 67 -46. 67 +16.24 +149.54 O.L. (e) 23.26 34.46 41.52 1.481 1.817 1.227 43 150+ 1.029 0,078 57 125.42 2.917 Neg Neg 4~Change +25.26 +0.55 -ll. 96 -19.77 -28.46 -10.83 -48. 19 0.0 +.9-06 87 198 L. (e) 24.59 37.95 357.66 1. 556 1. 544 O. 992 55 150+ 1.024 O.040 49 124.88 2.271 Neg Neg Change +29.60 +3.15 -15.16 -20.41 -34.55 -17.81 -42.11 O.0 o 8-431 +.9+87 O.T. (e) Change O.L. (f) 24.38 34.09 41.52 1.398 1.705 1.218 39 150* 1.031 0. 054 35 128.84 3. 304 NeE Neg Change +31.29 -0. 53 -ll. 96 -24.27 -32.95 -11.48 -53~.01 O.O +0.68 -56.0 +ll.70 170 L. (f) 21.90 37.37 40.70 1.704 1.856 1.089 70 15+ 1.023 0.03~6 61 121.46 1.735 Neg Neg Change +16.52 +1.58 -8. 31 -12.84 -21. ~2 -9.78 -26. 32 0.0 +0.49 -g0.68 +6.30o +44.22 o.T. (f) O.L. (g) 22.21 1~7.52 40.26 1.689 1.812 1.073 52 150 + 1.028 0.0~0 45 120.20 2.912 Neg Trace gChange +11.96 +9.48 -14. 65 -8. 50 -28. 66 -22. 02 -37. 55 oO. +0.~9 -40.0 +4.21 +63 L. (g) 22.96 38. 50 58. 55 1.677 1,679 1.001 65 15 0.029 0.048 125.8 e g ~ Change +22.00 +4.65 -13. 16 -14.22 -28.83 -17.07 -31.58 0.0 +1.08 -6 6 +.5+66 O.T. (g) 47 150+ 1.037 0.068 44 127.22.0 0 S o e e Change -45.g5 o~~~~~~~~~~~~~o ~ +0.97 - 4.3+12.40 +105.70 Michigan Aggregate O.L. (am) 20.98 38.12 40.90 1.817 1.949 1.073 58 15 0+.026 ll9.66 2. 063 1. 11 Neg Neg Change +11.30 +11.23 -13.27 -1.57 -23.27 -22.02 -30. 12 0.0 +0.20 +.5+84 4.3 L. (ax) 20.99 40. 02 38.99 1.907 1.858 0.974 76 150+ 1.O19 ll4.08 1.501 0.33 Neg Neg Change +11.55 +8.78 -12.16 -2.46 -21.24 -19. 30 -20.00 O.O +O. 10 01 2. 9.8 O.T. (a,) 22.51 57.10o 40. 58 1.663 1.819 1.O94 55 150+ 1. OSl1. 22 2,149 0.64 Neg Neg; gChange +10.88 +8.04 -10.89 -2.58 -19.62 -17. 50 -36.05 0~ o g 44 6. 0 O.L. (h) 23.37 35.69 40.95 1.527 1,752 1.147 58 190 1025 129.56 5.409 O.12 Neg Neg 96Change +25.85 +4.14 -15.17 -17.28 -31.O2 -16.64 -54.22 0.0 +O 0 1.3 1052 +38 L. (h) 21.54 53.84 44.62 1.571 2.072 1.318 56 150+ 1.021 122. O0 2.179 0.20 Neg Neg Change +14.45 -8.0 +052 -19.64 -12.17 +9.20 -41.O5 o~ 0.09+.7+11 514 O.T. (h) 24.84 36. 34 38.82 1.463 1.563 1.068 40 150+ 1.032 127.40 5.185 0.21 Neg Neg B Change +27.46 +5.82 ~-14.6 1.79 -30.93 -19.46 -53.49 0.0 +0.49 +12.56 +142.02 O.L. (n) 26.98 31.60 41.42 1.172 1.536 1.172 24 19 1.028 141.98 5.916 0.19 s1 Pos Neg L~ Change +45.29 -.79 -12.1 -36. 51 -39.53 -14.85 -71.08 -87.35 +0. 39 +23..10 +325.61 +243. 59 L. (n) No Test Made Change O.T. (n) 30. 30'30.04 39. 66 0.991 1.309 1.320 19 7 1.039g 158. 18 8. 325 0.15 Pos Neg Change +49.40 -12.52 -12.91 -41.94 -42.16 04 7 9 5. +~ 3.6 320 O.L. (k) 25.48 34.99 59.53 1. 373 1.551 1.130 ~1 150+ 1.034 3. 48 02 rc e 4 Change +3.21 +2.10 -6.18 -25.62 -38.94'.-17.88 -62.65 oO. +0. 98 +17.79 +215.32 +538.46 O.L. (k) 24.13 36.49 39. 37 1.512 1.632 1.O79 35 150+ 1.031 151.9.4 e e k Change +2.94 +6.48 -6.52 -18.09 -55.75 -21.58 -60.24 0.0 +0.68 +17.17 +1-94.60 +315.38 O.L. (k) 25.74 35.24 39.02 1. 569 1. 516 1.107 52 150+- 1.03 O514.5 032Ne 4 Change 38. 61 +.83 -17.8 -25.84 -40. 31 -19. 55 -61.45 0.O +0.68 +17.95 +205.85 +489. 74 L. (k) 24.49 34.51 41.00o 1.409 1.674 1.188 41~ 150+ 1.0~41249.4.1 e e 4 Change +30. 13 ~-62 7.64 -27.93 -29,04 -1.57 -56.84 0.O +0. 59 +16.38 +169.58 -51.43 L. (k) 24.42 38.61 36.97 1.581 1.514 0. 958 33 150+ 1.020 j. 4O3 ol e g 4 Change +29.76 +4.95 -16.71 -19. 15 -35.82 -20.63 -6~.26 0.0 +0.20 +17.64 +238.57 -71.43 L. (k) 24.54 40.38 35.07 1.645 1.429 0.868 41 150+7 1322.2.027Ng e ~ Change +30.3 +9.76 -21.00-15.86 -39.42 -28.09 -56.84 0.0 +0.88 +19.75 +168.16 -85.71 O.,T. (k) 26.40 40.46 33.14 1.533 1.255 0.819 32 150+8 13.7038 7 o 0 Ps N 4`Change +31.21 +17.82 -27.25 -10. 19 -44.54 -38.24 -62.79 0.0 +1.07 +18.13 +217.55 O.T. (k) 26.83 58.43 34.74 1.452 1.295 0. 904 3o 10t 190+1 1~74.8.0414 o Change +33. 34 +ll, 91 -23.72 -16. ll -42.78 -31.83 -69.12 0.0 +l.17 +21.47 +248.25 O.T. (k) 27.21 40.54 32.25 1.489 1.185 0.796 29 150+ 1.056 138. 56 4. 778 0.014 Pos Neg ~ Change +5.24 +18.05 -29.19-12.77 -47.64 -39.97 -66.28 0.0 +0.68 +22.42 +263.07 O.L. ( 1) 21.99 38.23 39.78 1. 738 1. 809 1. 041 61 150 + 1.08121.0 0.28 rc e 4 Change +1.42 +11.56 -15.65 -5.85 -28.78 -24.35 -26.51 O.O +0.39 +5.93 +44.10 264 O.L. (1) 21.537 57.55 41.08 1.757 1.923 1.O94 10.2 79.2.8 Ng e L~ Change +5.08 +9.51 12.89 -4.82 -24.29 -20.49 -43.37 0.0 +0.20 +lO. 92 +95.83 +270. 51

,The University of Michigan Engineering Research Institute - Ohio 0il Company, Findlay, Ohio TABLE III Percent Change in Composition and Properties of Asphalt Related to Exposure Conditions Cnld) Included data presented on graph no. i Composition I hrical Properties A.C e Asphtns e Oils I ~ Resin O/A R/A ]R/O Penet Diet Sp Gr 9 Pen Soft Pt Soft Pt/ ~ Ash Skelly' I lene I I I I I I I I I I L~~~~Lon H IRes I F ~I'~~til I"S'spotl Spot Michigan Aggregate (continued) 0.L. (1) 22.40 40.37 57.23 1.802 1.662 0.922 48 150+ 1.026 126.52 2.632 0.332 Neg Neg Ik.Change 20.62 +1~80 -21.07 -2.38 -34.57 -512.99 -42.17 0.0 +0.20 +9.52 +89.35 +525.64 L.(1) 21.64 56.72 41.65- 1.697 ~1.925 1.534 66 150+.O9121.28 1.858 0.005 N~eg Neg L. (1) 22.00 38.95 59.05 1.770 1.775 1.003 66 150+.O9122.36 1.854 0.014 N~eg Neg Chan~~o~ge + 17 1.0 -84 6.95 -0.3 00 +9.4 5.87 -12.0 ~ Change 16.go +5.7 -12.03 -9.46 -24.76 -16.90 -50.55 0. O~l +7.09.+54.11 -60.0 L. (1 ) 21.40 37.64 40.96 1.759 1.914 1.088 58 15 0+.02 1 +8125 6 2.713 08.00 Ng e %b Change +11.57 +2.31 -7.75 -10.05 -18.86 -9.86 -38.99. 0 2 81 O.T. (1) 22.98 42.58 34.44 1.855 1.499 0.809 51 150+ 1.055 125.62 2.424 0.042 Neg N~eg % Change +14.21 +24.00 -24.37 +8.55 -3~6 -89 4.0 oo+~9+.2+11 O.T~~~~~~~~~~~~~~5.6 -3)238.9 -40.7 3~ 10 0.70 4 +0.59 +93.22 +84.191 O.T () 3.8 4.7 51381.80.36.70 4 10+1.054 127.94 2.665 0.079 Neg Neg Change +18.44 +30.44 -51.09 +10.13 4.6 -7.3 -41 O.T. (1) 23.61 39~32 ~~~~~740.96 -4715 -44.1 0.94 0 +0.49 +13.04 +1302.5 O.T (1 2.615932 7.7 166 1.700.95 0 10+ 1.032 127.04 2.541 0.009 S1 Pos Neg qbChange +17.55 +14.50 -18.60 -2.40 -30.62 -28.88 -41.860.+.2 Orig ar gkDuct 1.10 9.09 39.8l 1.853 1.886 1.O18 91 150+ 1.051 0.058 78 109.77 1.206 0.09~ Neg Neg Gar 946Duct (m) 22.89 34.16 42.95 1.492 1.876 1.257 63 150+ 1.036 116.78 1.854 0.26 Pos N~eg Change +8.48 -12.61 +7.89 -19.48 05 2. - ~ o +4 63 5.7 8.9 Oar S~Duct (j) g6.28 44.69 29.- 0.5~ + 25.48 - 0.77 0.0 +0.48 +67.59 +253.7 +288.89 Gat9~ue () 6.8.9 9.0 170 110 065 5 10+ 1.040 129.02 5.686 0.25 Pos Neg eChange +24. 55 +14.33 -R7.08 -8.26 -41.41 -36.15 -61.540. Gat 94Duct (n) Z8.55 57.46 54.01 1.515 1.192 0.908 28 18 1.0~2 140.00 5.000 0.41 Pos Neg g~hange +35.21 -4.17 -14.~57 -29.14 -56.80 -10.81 -69.23 -88.0 +1.07 +27.54 +514.59 +455.56 0rig Gar 12%Duct 21.95 42.88 35.17 1.935 1.602 0.820 93 150+ 1.032 0.082 81 109.04 1.172 0.04 N eg Neg Gar 12qDuct (m) 25.67 41.37 34.96 1.748 1.477 0.845 54 15 0+.0 6 +1R.6.1 2.336 +0.18 Ps e qbChange +7.84 -3.52 -0.60 -9.66 -.0 +.5 -19 Gat 12Duct (j) 26.97 40.39 32.64 1.498 1.210 0.8O8 34 ~5 0. + ~.03 Z6.58 ~.075 +0.5~ Ps e Change +22.87 -5.al -7.19 -29.58 -24.57 -1.46 -65.44oo+06 Gar 12qbDuet (n) 3l.10 36.84 532.06 1.185 1.031 0.870 25 8 1.0~) 160.16 6.965 0.16 Poe Neg echane ~ +41.6 -14.og -8.84 -58.76 -55.64 +6.10 -75.27 -94.67 +1.07 +46.88 +49~.11 +400.0 Minnesota Aggregate 0.L. (ax) 2).02 51.70 45.28 1.J77 1.967.1.428 4'6 150+ 1.027 126.14 2.742 0.15 Neg Neg gChange +2).96 -7.50 -3.99 -25.41 -22.56:4 O +. 93 972 g r L. (al) 22.2) 56.67 41.10 1.649 1.846 1.2 75 1 9 1.018 127.58 1.748 0.12 Neg Neg % Change +19.77.-0.5~ -7.41 -19.64 -21.74 -7.15 -2b.]6 0. 0.0 +11.66 +45.30 +242.86 0.T. (al) 22.94 54.78 ~.2.68 1.~..5 1.89) 1.227 953 1'50+ 1.050 122.00 2..502 0.28 Neg N~eg % Change +lR.05 +1.28 -6.28 -9.61 -16.55 -7.47 -58.~7 0.0 +0.29 +7.79 +7~ ~ g O.L. (h) 25.55 53.66 41.00 1.528 1.617 1.216 50 95 1.(Y28 1~2.08 4.405 0.21 Neg Neg % Change +56.~51 -1.78 -15.06 -28.06 -56.54 -11.63 -65.86 -58.00 +0.59 +14.51 267 193 L. (h) 24.58 58.07 57.55 1.549 1.519 0.981.41 125 1.022 129.20 5.154 0.19 Neg Neg % Change +50.61 +5.48 -15.86 -20.77 -515.61 -18.72 -56.84 -18.00 +0.59 +15.08 +162.18 +528.57 0.T. (h) 25.46 35.55 41.21 1.~09 1.619 1.256 32 150+ 1.0~4 1 ~1.5~ 4.111 0.10 Neg Neg % Change +26.54 -2.94 -9.51 -23.52 -28.46 -6.79 -62.79 0.0 +0.68 +16.22 +212.39 O.L. (n) 50.28 54.~47 55.25 1.15~8 1.164 1.025 19 6 1.054 162.86 8.572 0.004 Pos Neg 4 Change 63.06 +0.8 -25.25 -58.55 -54.17 -25.65 -77.11 -96.0 +0.98 +41.20 +516.69 -94.8 L. (n) 27 9 1.022 151.52 5.6120.2NgNe % Change -71.58 -94.0 +O.5 9 +32.61 +6.0 -42 0.T. (n) 27 52 1.054 1 59.82 5.179 0.005 S1 Pos Neg % Change -68.60 -65.55 +0.68 254 934 0.L. (k)z 56.88 32.54 50.78 0.877 0.855 0.952 9 5 1.058 201.92 22.456 0.15 Pos Neg % Changea +98.60 -1.78 -54.75 -52.~9 -67.15 -50.81 -89.16 -98.00 +1.57 +75.07:~ +1514.10 +92.31 O.L. (k)l 59.21 50.92 29.87 0.789 0.762 0.966 5 2 1.041 21.042.400 0.12 Neg Neg % Change2 +lll.15 -9.78 -56.66 -57.26 -70.00 -29.80 -93.98 -98.66 +1.66 +85.80 +2950.36 +55.~85 0.L. (k~ 2 9.1 5.674.9. 82 1.725 1.247 35 150+ 1.027 152.80 4.024 0.18 Neg Neg Change +355.8 -1.75 -lO 2.4 -21 95 6.4 0 0 +. 9 + 51 195 107 L.(k) 2~5.5 49.26 27.20 2.095 1.156 0.552 44 190~0+ 1.02 1 +1.29.5 24.390 6.OlNge Change +25.05 +55.90 -58.72 +7.06 -51.0 -4~7 -36 L. (k) 27.79 59.78 52.44 1.451 1.167 0.815 28 15 1.025 146.12 5.219 0.110 Neg Neg Change +47.66 +8.15 -26.92 -27.80 -50.95 -52.48 -05 9~3 +. 2.4 283 ~7 rc e L. (k) 25.67 40.51 6.21.705 1.522 0.894 45 150+ 101188.6.7 rc e Change +25.77 +9.57 -18,86 -12.89 -55.48 -25.95 -52.65 0.0 +0.29 +27 169 100 0.T.( k)26.18 54.67 59.16 1.524 1.496 1.150 29 2 1.035 156.40 4.705 0.047 Neg Neg % Change +50.12 +0.96 -l~.01 -22.44 255.89 -14.78 -66.28 -98.67 +0.78 +20.52 +257.57 O.T. (k) 25.90 41.94 52.16 1.619 1.242 0.767 51 150+ 1.056 152.98 4.290 0.016 Neg Neg % Change +28.75 +22.15 -29.58 -5.16 -45.~12 -42.16 -63.95 o~ 0~8 1.0 +02.88 O.T. (k) 26.48 41.12 52.40 1.555 1.224 0.788 51 150+ 1.055 151.72 4.249 0.047 Neg Neg % Change +31.61 +19.74 -28.85 -9.02 -45.91 -40.5? -65.95 0.0 +0.78 +63 228 O.L. 1)~ 4.05 54.76 41.18 1.445 1.712 1.185 55 150+t 1.024 130.82 3.758 0.22 Neg Neg Change4 +29.51 +1.45 -12.68 -21.72 -2.0 -38 5~3Oo+~4 189 220 0.L.(1)x 23.10 57.66 59.24 1.650 1.699 1.042 38 150+ 1.026 155.14 5.556 0.41 S1 Pos Neg % Change4 +24.39 +9.89 -16.79 -ll.70 -55.11 -24.27 -954.22 0.0 +0.20 +71 158 456 O.L. (1)s 21.735 56.70 41.57 1.688 1.915 1.155 44 150+ 1.026 128.12 2.912 0.5Trace Neg % Change4 +17. 02 +7.09 -11.85 -8.56 -24.69 1. -69, 02 10 +og 6.7 L. (1) 21.55 59.58 38.87 1..857 1.804 0.982 65 150+ 1.021 120.74 1.917 0.016 Neg Neg Change +l~.S1 +7.58 -12.44 -6.04 -25.55 -18.64 -55.68 o~ 0.20 +0.7+93 5.20 L. (1) 20.55 48.02 51.66 2.562 1.557 0.659 56 150+ 1.020 124.52 2.224 0.078 Neg Neg %Change +8.02 +30.52 -28.68 +20.82 -54.00 -54 4.3 00 +.0+.8+48 128 (1) 21.19 42.96 35~85 2~~ ~~ -4.40 -1. 052 0.0f4 6 +0.20 +8.98 +84.87 +122.86 L. (1) 21.19 42.96 55.85.027.9.5 5 1o.0 121.64 1.951 0.o95 Neg Neg % Change +12.59 +16.7i7 -19.24 +5~8 -82 -09 3.68 O.T. (1) 23.81 37.62 38.57 1.580 1.620 1 4.025 4 o 1 +og +14.051 18 45 1.031 ~~~~~~~129.58 2.875 0.012 Neg Neg % Change +18. 3 +9.55 -15.51 -7.g4 -28.41 O.T. (1) 25.88 40.12 56.00 1.680 1.508 -0.897 46 150+ 1~3 2 4.7 0554Ne e ~ Chsnge 18.69 +1683 -20.95 -1.58 -55.36 -32.55 -46.51 0.0 +0.58 +10.81 +107.22 0.T. (1) 23.22 40.19 36.59 1.751 1.576 0.910'48 150+~ 1~3 1243.9.051Ng e 8 Change +15.41 +17.04 -19.66 +l.41 -50.56 -51.57 -44.19 0.0 +0.59 +9.86 +96.81 1Dried after removal from roof 24 hours at 250~F. 2Radically changed loose material. SDried after removal from roof 24 hours at 150"F. 4Reduced effect on compacted mix.' ~......

EXPOSURES ERI PROJECT 2249 Ohio Oil Company, Findlay, Ohio Percentage Change in Composition and Properties of Asphalt as Related to Exposure -I Type of Exposure of Asphalt Mat'l Heating Mix Time Mixture Heating Test I Exposure Agg Asphalt obrt, Time, Temp Type of Oven Test Conditions Expoure OF OF min min OF a 400 300 1 30 350 F. Draft Cool 45 min,extract and recover AC. Ml to M5. a, 350 300 1 30 325 F. Draft Cool 45 min, extract and recover AC. All tests above 36A. b 400 300 1 30 350 F. Draft Air weather 72 hr in laboratory. ML to M55. c Same as b Air weather 24 hr in laboratory. Ml to M55. H d Same as b Air weather 48 hr in laboratory. ML to M35. ~~~~~~~~0 m~~~~~~~~~~~~~~~~~~~~~~~~~ e Same as b Heat in force draft 72 hr at 140I F. Ml to M35. f Same asb Heat in force draft 24 hr at 1400F. Ml to M35. g Same as b Heat in force draft 48 hr at 1400F. ML to M55. h 350 300 1 90 325 F. Draft Cool, extract, and recover. Michigan and Minnesota aggregates. i Same as h Intended to be run on Minnesota aggregate. No tests performed. j Same as h Mixture of Michigan aggregate using Garland-Duct-Spot blend. w -1 k 350 300 1 30 350 F. Draft Loose spread in shallow pan andexpose 60 days outdoors. 1 Same as k Compacted to 4" diameter x 4-1/2" cylinder andexposed60 days outdoors. m 350 300 1 30 325 F. Draft Cool, extract and recover. Michigan aggregate with Garland-Duct-Spot. n 350 300 1 180 325 F. Draft Cool, extract and recover. Michigan and Minnesota aggregates with regu-' lar test asphalts and special Garland-Duct-Spot blends.

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