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1 <br /> 5 <br /> The results of this sampling activity as well as the results from the December 25, 1991 <br /> sampling episode were presented as an addendum report in January 1992. <br /> The groundwater sample was analyzed by a California certified laboratory (Sherwood <br />' Labs Corp.) using EPA method 602 for BTEX analysis, with a detection limit of 0.3 <br /> ug/Kg, and EPA method 5030/Mod. 8015 for TPH-Gasoline analysis, with a detection <br />' limit of 50.0 ug/L (Table 7). <br /> TABLE 7 i <br /> GROUNDWATER SAMPLE ANALYSES <br /> (1-24-92) <br /> f <br /> .�a���lr��r ���� <br /> ............ <br /> mou <br /> '9 <br />' Benzene 450.0 0.3 <br /> Toluene 10.0 0.3 <br /> Eth (benzene 86.0 0.3 <br />' <br /> Xylene 471.0 0.3 <br /> TPH-Gasoline 8900.0 50.0 <br /> On June 29, 1992, Sun Tech sampled monitoring well 4, 6, 7, 10, 11, 12 and 13. The <br /> groundwater samples were analyzed by a California certified laboratory (Sherwood <br /> Labs Corp.) using EPA method 602 for BTEX analysis, with a detection limit of 0.3 <br /> ug/Kg, and EPA method 5030/Mod. 8015 for TPH-Gasoline analysis, with a detection <br /> limit of 50.0 ug/L (Table 8). <br /> TABLE 8 <br /> GROUNDWATER SAMPLE ANALYSES <br />' (3-26-92) <br /> ] v: <br /> i:':ti :�:�. '::':�+.�..�............�.........�.............. ........ ...................... T.t ........ <br /> :. ...:....:....:... ........................:.�.�:':...:..............r::::.::�::.:::.:...:.:.G.::::..:::.:.:..•x:::::i:::}ii.v::?is-:+�. <br /> :::::::_::i-:'v+'.i:i:::ii'v i::;::.; .../:.,._.,........{Lii::.i:.:�:v........:':. :;iti:::tiff.::..:........:.y....i}?:.:.:}i::.:...:.:'.i:' -'•-." .;..i,.;.Y'.::::......:v'.::•v••:: :::...:} .::.:.....:i:'. <br /> �:i::ii:'I�W.- �}..:v'.:i}:}:.i(M■,•y!y' [mfl�/�vf�{1 iWn FIk■ =q i�f �[�Yy <br /> i: 4:+� :�::�:� �. ...... .�... ......,i,]!.`' :.�::t: :`:�:�:I�R•?.�f'nf.'.':'.�:.':::: '11'1::�'.M'::.�.':.�:l;l' :.� .::•. <br /> Benzene 4475.0 ND ND ND ND ND ND ND <br /> Toluene 3650.0 ND ND ND ND ND ND ND <br /> E-benzene 650.0 ND ND ND ND ND ND ND <br /> Xylene 1975.0 ND ND ND ND ND ND ND <br /> TPHdias 56000.0 ND ND 65.0 ND ND ND ND <br /> I <br />