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<br /> 5608 N PERSHING AVE
<br /> PAGE 7
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<br /> 0.6 ppb, respectively. j
<br /> MW#9 showed TPH as gasoline and BTEX at less than 50 ppb, 1.0 ppb, 1.0 ppb, less than
<br /> 0.3 ppb, and IA ppb, respectively.
<br /> MW#10 showed TPH as gasoline and BTEX at Iess than 50 ppb, 1.0 ppb, 1.0 ppb, less than
<br /> 0.3 ppb, and 1.0 ppb, respectively.
<br /> 1991
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<br /> 01-19-91 Monitoring wells MW#2A,MW#4A,MW#5A,MW#8,MW#9,MW#10,and MW#11 were j
<br /> sampled this date. All other wells at the site were dry and could not be sampled. Depth to
<br /> water ranged from 35.7' - 40.0' BGS. Flow direction was to the north northeast
<br /> MW#2A showed TPH as gasoline and BTEX at 130 ppb, lA ppb,3.0 ppb,2.0 ppb,and 12.0
<br /> ppb, respectively.
<br /> MW#4A showed TPH as gasoline and BTEX at 130 ppb, 1.0 ppb, 4.0 ppb,2.0 ppb, and 15
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<br /> ppb, respectively. A duplicate sample was run from this well and showed similar results.
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<br /> MW#5A showed TPH7as gasoline and BTEX at 120 ppb,0.9 ppb,3.0 ppb,2.0 ppb,and 11.0
<br /> ppb, respectively.
<br /> MW#8 showed TPH as gasoline and BTEX at 250 ppb, 2.0 ppb, 8.0 ppb, 5.0 ppb, and 31
<br /> ppb, respectively.
<br /> MW#9 showed TPH as gasoline and BTEX at 120 ppb, 0.6 ppb,2.0 ppb, 2.0 ppb, and 10.0
<br /> ppb, respectively.
<br /> MW#10 showed TPH as gasoline BTEX at 110 ppb, 0.7 ppb, 3.0 ppb,2.0 ppb, and 12 ppb,
<br /> respectively.
<br /> MW#11 showed TPH as gasoline and BTEX at 140 ppb, 1.0 ppb, 4.0 ppb, 2.0 ppb, and 17
<br /> ppb, respectively.
<br /> 07-21-91 Monitoring wells MW#2A,MW#4A,MW#5A,MW#8,MW#9,MW#10,and MW#11 were
<br /> sampled this date. Monitoring wells MW#1,MW#2,MW#3,MW#4,MW#5, MW#6,and
<br /> MW#7 were dry and could not be sampled. Flow direction was to the north northeast.
<br /> Depth to groundwater"ranged from approximately 36' BGS to 40.77' BGS.
<br /> MW2A showed TPH as gasoline and BTEX at 76 ppb,0.8 ppb,0.9 ppb,3.9 ppb,and 6.0 ppb,
<br /> respectively.
<br /> MW#4A,MW#5A, MW#8,MW#9, MW#10 and MW#11 did not detect TPH as gasoline
<br /> or BTEX at detection limits of 50.0 ppb and 0.5 ppb, respectively.
<br /> 01-17-91 Monitoring wells MW#2A,MW#4A,MW#5A,MW#8,MW#9,MW#10 and MW#11 were
<br /> sampled this date. Monitoring wells MW#1,MW#2, MW#3,MW#4,MW#5,MW#6,and
<br /> MW#7 were dry and could not be sampled. Depth to water ranged from approximately 38'
<br /> BGS to 40' BGS. Flow direction was to the north northeast.
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