Letter with data regarding Volume and Quality of Water Discharged to Sanitary Sewer, Tutu Service Station Investigation
GERAGHTY '& MILLER, INC. Environmental Services Ground Water Engineering Hydrocarbon Remediation Education November 19, 1992 Mirko Restovic Department of Public Works No. 8 Sub Base, Crown Bay St. Thomas, U.S. Virgin Islands 00802 Re: Volume and Quality of Water Discharged to Sanitary Sewer Tutu Service Station Investigation Dear Mr. Restovic: As you requested, Geraghty & Miller, Inc. has provided the attached table summarizing the treated water volume discharged to the sanitary sewer during the Tutu Service Station Investigation field program. Effluent samples were collected for field gas chromatograph (GC) analysis on September 11, 1992 prior to discharging, and several other samples were collected in October and November every two hours during the constant rate aquifer pumping tests. All GC results were well below the United States Environmental Protection Agency's (USEPA) drinking water Maximum Contaminant Level (MCL) standards. Split samples of the effluent were also collected for laboratory analysis. …
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GERAGHTY '& MILLER, INC. Environmental Services Ground Water Engineering Hydrocarbon Remediation Education November 19, 1992 Mirko Restovic Department of Public Works No. 8 Sub Base, Crown Bay St. Thomas, U.S. Virgin Islands 00802 Re: Volume and Quality of Water Discharged to Sanitary Sewer Tutu Service Station Investigation Dear Mr. Restovic: As you requested, Geraghty & Miller, Inc. has provided the attached table summarizing the treated water volume discharged to the sanitary sewer during the Tutu Service Station Investigation field program. Effluent samples were collected for field gas chromatograph (GC) analysis on September 11, 1992 prior to discharging, and several other samples were collected in October and November every two hours during the constant rate aquifer pumping tests. All GC results were well below the United States Environmental Protection Agency's (USEPA) drinking water Maximum Contaminant Level (MCL) standards. Split samples of the effluent were also collected for laboratory analysis. As soon as the validated laboratory analytical data is available, Geraghty & Miller will submit the data to you. Sincerely, GERAGHTY & MILLER, INC. Clinton Moffatt Staff Scientist _ Thomas V.Danahy // Senior Scientist/Project Manager Daniel Nachman Vice President/Project Officer c: Ana Gloria Ramos - TEIC Gilbert Estrill - DPW Leo Francis - DPW CM:df:jmh:df PR01301-D3/111692.LTR 201 West Passaic Street, 3rd Floor • Rochelle Park, New Jersey 07662* (201) 909-0700 -FAX (201) 909-0567/0568 *64857* 64857 Table 1. Summary of Treated Water Volume Discharged to the Sanitary Sewer Tutu Service Station Investigation St. Thomas, U.S. Virgin Islands Date 9/11/92 10/30/92 11/02/92 11/03/92 11/04/92 11/05/92 11/06/92 Treated Water Discharged (Gallons) 3,459 4,210 942 12,067 1,611 10,210 10,275 Activity Ground-water Sampling Aquifer Pumping Tests Aquifer Pumping Tests Aquifer Pumping Tests Aquifer Pumping Tests Aquifer Pumping Tests Aquifer Pumping Tests Total Volume Discharged: 42,774 PR01301-D3/U1692.LTR Ar,HTY f» MM I FR IMP TUT OO6 1695