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KLEINEELDER <br /> • o <br /> �1U <br /> November 13, 1987 <br /> File: 24-2053-2 <br /> Mr. Pat Ryan <br /> City of Manteca <br /> Waste Water Treatment Plant <br /> P.O. Box 3000 <br /> Manteca, California 95336 <br /> SUBJECT: Water Disposal <br /> Dear Mr. Ryan: <br /> Kleznfelder is requesting permission on behalf of Food and Liquor Store 76 <br /> to dispose of approximately 250 gallons of water into the City of Manteca <br /> Sewer System. Food and Liquor Store 76 is located at 890 North Main <br /> Street in Manteca California. The three ground water monitoring wells <br /> (MW-1 through MW-3) were purged and sampled on March 3 and April 28, <br /> 1987. <br /> • Results of the two sampling events are as follows: <br /> March 3, 1987 April 28, 1987 <br /> Sample MW-1 MW-2 MW-3 MW-1 MW-2 MW-3 <br /> Constituent W-001 W-002 W-003 W-001 W-002 W-003 <br /> ug/1 (ppb) <br /> Benzene 3 .5 13 ND ND ND ND <br /> Toluene ND ND ND ND ND ND <br /> Xylene ND ND ND ND ND ND <br /> mg/1 (ppm) <br /> Total petroleum ND ND ND ND ND ND <br /> hydrocarbons <br /> Low concentrations of benzene were detected in the samples collected from <br /> MW-1 and MW-2 during March 3, 1987. All constituents were below <br /> detectable limits in the samples collected April 28, 1987. <br /> Five 55-gallon drums remain onsite. Two of the drums contain water purged <br /> from MW-3 in which no petroleum hydrocarbon constituents were detected. <br /> The other three drums contain water purged from MW-1 and MW-2 with low <br /> concentrations of benzene. <br /> KLEINFELDER 9795 Business Park Drive, Suite C, Sacramento, CA 95827 (916) 366-1701 <br />