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Table 1 : Groundwater Monitoring Results using EPA methods 8015m 8020, and 8260 (mg/L) 1 Well ID 1 Date IDTW PH-d TPH-g TPH-ml B T E X - F MTBE ETBE DIPE TAMEI TBA 1 2-DCA EDB ._ MW-17 Mar-04 9.40' <50 <50 <50 <0.3 <0.3 <0.3 <0.3 99 <0.5 <0.5 Screened ) Jun-04 9.65' <50 1 <50 1 <50 1 <0.3 <0.3 1 <0.3 1 <0.3 130 <0.5 <0.5 5 to 20' Sep 04 10. 12' NA„ <50 NA <0.3 <0.3 <0 3 <0.3 - 3. 1 -<0-,5 <0 5 Mar-05 10 58 1 NA <8 NA <0.04 <0 09 <0 04 <0.00 750 0.96 0.88 _. Jun-O5 10 82 NA _I 120 NA <0.5 <0.5 1 <05 <0.5 330 `<0,5I <0 5 Sep-05 10.73 NA 346 NA <1 <1 <1 <2 - 193A <2 , <2 <10 Dec-05 11 50 NA 175 NA <1 <1 <1 <2 162 <2 <2 <2 <10 _.... _ _. _ 1.._._... __. _..__ <1......_., <1 <-l - f - <-2-. ... 54.7-- --<2 <2 <- ..T Mar-O6 111 .09' NA 58.7 T..-NA _ � _ �2 . _.. - - 6 --- -- - -- - - - -�.�2. <2-<2 <2.. X10 -..- �I Jun-06 11 .25' �NA <50 . . ( NA <1. <1 1 2 1 Sep-O6 ,10.51 ' NA <50 1 NA <1 <1 < 1 <2 4.6 <2 <2 <2 <10 <0.5 <0.5 .._....... _... ._...__.__.... .. . . _....._......_ _..... ..._._._ __...__.. MW-18 Mar-04 8.95' 1 <50 <50 <50 <0.3 <0.3 11 <0.3 1 <0.3 <0.5 <0.5 <0.5 Screenedi Jun-04 9. 12' <50 <50 <50 <0.3 <0.3 <0.3 _ <0 .3 1 <0.5 <0.5 <0.5 -_._. - _... ___. _ _. __.... ---. _....... -- --.. __..._.. _ _-._ 0. _.. _ _... cc-0.6----- Mar-05 c-0 --....-- -----.__ 30' to 40' Se -04 9 91 NA <50 NA <0.3 <0.3 . <0.3 <0.3 - <0.5 <0.5 0.04 _... 1 M 05 10 41 - NA., <50 NA < 1 .. < 0 5 JI,, <�1 4<2 25 I 4 .3 . <2 <2 -j5 <10 1 .2 Sep-05 10.41 ' NA _ Dec-05 11 .69 NA <50 NA <1 <t _ - r-66 - - � Mar-O6 T11 .43' NA 55.8 NA <1 <1 <11 <2 -M-.5 -<2 <2 ', <2 <10 Jun-06 1 11 08 _. _ _ _ NA <t <1 , <1 1 <2 7.9 <2 2 <2 <10 Sep-06 10.17 NA <50 _ -... - _. __ ._ .. ._..... ._..__.._.. _._ - - .-'- < _. , NA - <1 ... 1 <1 T.._._< 1 <2 2.5 <2 <2 <2 < 10 <0.5 <0.5 MW-19 Sep 05 11 04' NA 275 NA 3 <1 _ 4.3 <2 80.2 <2 <2 <10 _....__ _.... _. _... _....- --......... - -- -.. ....� 1 �_.. ----- ---... Screened Dec-05 11 .81 ' NA <50 NA <1 <1 I 3.8 3. 1 27.7 2 2 <2 <10 ' 5' to 20' I Mar-06 11 .43 NA 1 <50 NA <1 <1 c1 <1 24.2 <2 <2 <2 <10 Jun 06 11 .54' NA 1 <50 NA <1 <1 2 2. 1. 25. 1. _ <2 <2 .<2 <10 _ _ ._ . _ _ - _ . . - � Sep-06 110.58' '1 NA - 63.8 ...._NA <1 .. . <1 _..i 2.2 I 1 .5 <2 34.9 I <2. <2 <10 .<0.5 <0.5 MW-20 Sep-05 10.61 ' ! NA 1 5040 NA <1 <1 <1 <2 1 4620 I 7 1. 8.5 1 <10 Screened ) Dec 05 11 -44' ' NA 3770 NA <20 <20 <20 1 <40 3020 <40 <40 <411 <200 _ . _ _ 1<20 <20 <20 <100 5 to 20' Mar-06 11 O6' NA 1250 NA <10 <10 1 <10 i <20 1250 r Jun-66 11 .12' NA 455 L. NA <5 . r <5 T <5 1 <10 427 a10 <10 <10 <50 . Sep-06 10.38' 1 NA 934 1 NA <2 <2 <2 <4 1 928 2. 1 <4 1 .7 1 <20 <1 <1 MW-21 Sep-05 10.42' '1 NA 12000 NA 814 40.8 233 657 1 8750 29 21 .3 <10 Screened Dec-05 i 11 .89' NA 88900 NA <50 <50 <50 <100 6040 _ 58.7 1 <1001. 42 <500 6-fo 20' Mar-06 ' 11 .30' NA 231000 NA 11700 4010 I 10400 x37906 8000 <2bo 1 <2001 <200 <1000 1 Jun-06 11 .33 NA FP-NS FP-NS FP-NS FP-NS FP-NS FP-NS 1 FP-NS P-N8=P-N FP-NS=P-NS 1 Sep-06 9.94' 1 NA 1107000 NA 1 5420 1250 4850 15400 4180 <200 ! <200 <200 <1000 <50 <50 MW-22 1 Sep-06 1 10.57' 1 NA 4830 NA 245 1 12.9 133 1 172 1 3790 9.5 <10 24.8 1 <50 1 <2.5 1 <2.5 1, Sto 20'- MW-23 Se 06 ._ 10.27' 1NA 9980_, NA 1500 21 1 1. 1050 408 5610 29 5 <10 _ p22.9 <50 <2 5 2.5 5' to 20' T MCLS 1 ..._.... ... .�...._.._, 1 150 700 1750'l.-...13_._. ---.__�_..-.- --- NA= Not Analyzed FP-NS = Free Product-Not Sampled Sheen present TPH-d= Total Petroleum TPH-g= Total Petroleum Hydrocarbons as Gdrocarbons as lasoliselnP e EPAe ethod 80thod 15) TPH-m= Total Petroleum Hydrocarbons as Motor Oil (EPA method 8015). BTEX= Benzene, Toluene, Eth (benzene, and Xylene EPA method 8020 . 7