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1 <br /> 1 II <br /> 8 <br /> TABLE 13 <br /> GROUNDWATER SAMPLE ANALYSES <br /> (6-30-93) <br /> .. ..r}:.. :;.•.:..:..:.rv.::is is:.._...r.�.�..:.. •. .1.� <br /> ',: <br /> CONSTITUENT MW-6 MW-7 MW-10 MW-11 MW-12 MW-13 MW-14 iyN 2:EW-1.:: <br /> u /L u (U91L) u (09/L) ft(L) (U91L) u <br /> ........ <br /> XX <br /> 1 <br /> < <br /> Benzene NO NO ND 25.0 NO NO 770.0 2.1 <br /> Toluene NO NO NO 12.0 NO <br /> NO 120.0 3.9 <br />' &benzene NO NO NO 1.3 NO NO 0.9 NO <br /> xylene NO NO NO 1.8 NO NO 240.0 3.0 <br /> TPH-0as NO NO NO 680.0 ND NO 8800.0 140.0 <br /> :.{.::. �:l'r:}...�::-::i::::::rv. .i:.:it i•}:.n: <br /> :n..T:::-::.......n:.:;::.r.v::}}}:is?....ii{;•i;•>::::. .::�:.:... .:?:i:::^�::{::::.:i'v::: :r: <br /> r::},}.5::.::. :4}:f..;••.}4.}•.:}::i:.}•v{i:.i{i.}:iii::: <br /> :;it•:J:it•::..rv:r�:::::.�:r....�::::r.�::.::.::.v:i ii:�:v:;. :.w:::-i::}=:irr.+-:::.'.�::.. ....... <br /> 1,2-131chloropropene NO NO NO NO 0.5 NO 0.5 NO <br /> 1.2-olch1oroernane NO NO NO 1.7 NO 6.0 86.0 19.0 <br /> 1.2-81bromoethane NO NO NO NO NO NO 4.0 NO - <br /> Tetraahlaroe"ene 0.5 ND 0.5 <br /> NO 1.0 <br /> NO 1.0 <br /> NO M. <br /> :::.::..:::.. .n::.::a:a::::::a:::: n.::.,�:::::.�:::._:........:.::{;;:::::.�:::.:�: ::::::•.r•::i: 4}:•;:;i:;,;a:�s:z;<>s�:;:is«:::;z:;.}}}:f <br /> mA m m ml m mA m m <br />' Lead 0.024 0.009 1 0.005 0.004 1 0.014 0.005 0.038 0.005 <br /> 3.0 GROUNDWATER FLOW DIRECTION <br /> Site groundwater elevations and flow direction were determined based on water level <br /> measurements taken from monitoring wells 6, 7, 8, 9, 10, 11, 12, 13, and EW-1 <br /> (Table 13). The groundwater measurement for MW-14 was not used in the gradient <br /> calculation, because MW-14 has not been surveyed. Monitoring wells 1, 2, 3, 4 and 5 <br />' were dry, therefore, no measurements were obtainable. Based on these <br /> measurements, the groundwater flow direction was determined to be in a Southerly <br /> direction. A Kriging program was used to generate a groundwater gradient map, which <br /> has been included as Figure 3. <br /> TABLE 14 <br />' GROUND WATER ELEVATION MEASUREMENTS <br /> ........... . <br /> :... ...... <br /> p�� <br /> .}:{•x::x::;}v!i i;4}:�'.;..i.:x.:}r'i<.:.:. .;;.:...:.:•rr: <br /> .....:...::r:r:rr.r.:.:....::.....:r:..�� {•i.i:..4Y:i:.:.�:j;;: :-:::......Q}r.- :.:.:'.v.i::' <br /> •lam.. .. - .. <br /> - <br /> 6-30-93 MW-6 52.99' 56.90' -3.91 <br /> 6-30-93 MW-7 53.90' 58.44' -4.54 <br /> 6-30-93 MW-8 53.68' 58.20' 4.52 <br /> 6-30-93 MW-9 53.54' 58.20' -4.66 <br /> 6-30-93 MW-10 53.21' 57.24' -4.03 <br /> 6-30-93 MW-11 52.95' 57.62' -4.67 <br /> 6-30-93 MW-12 53.35' 58.44' -5.09 <br /> 6-30-93 MW-13 53.36' 58.86' -5.50 <br /> 6-30-93 MW 14 NIA 58.13' NIA <br /> 6-30-93 EW-1 53.21' 57.70' -4.49 <br /> I <br />