Laserfiche WebLink
404 WEST FREMONT STREET <br /> WKA No 1628 04 <br /> January 17, 1995 <br /> Page 2 <br /> of sediment The water samples were then collected using a new polyethylene disposable bailer <br /> Water from the disposable bailer was decanted into appropriate sample containers provided by the <br /> laboratory <br /> The samples were immediately placed in an ice-chest with ice and submitted under chain-of- <br /> custody to a California-certified laboratory for analysis of Total Petroleum Hydrocarbons (TPH) <br /> as gasoline using EPA test method 8015 modified, and Benzene, Toluene, Ethylbenzene and Total <br /> Xylenes (BTEX) using EPA test method 602 <br /> The submersible pump was cleaned with a solution of Liqui-nox and water prior to purging each <br /> well to minimize the potential for cross-contamination All water removed during sampling and <br /> purging operations was placed in sealed and labeled 55-gallon drums and stored on site <br /> Analysis of water samples MW2, SMW2, and MW3 revealed no detectable concentrations of <br /> • TPH or BTEX Concentrations of petroleum hydrocarbons were detected in the water samples <br /> from wells MW4, MW5, and MW6 A summary of analytical results for ground water samples <br /> obtained from the five on-site monitoring wells and one off-site monitoring well are included as <br /> Table 1, and also on Plate 3 Complete analytical reports and chain-of-custody documentation <br /> are included in the appendix <br /> The next quarter of ground water sampling is scheduled for March, 1995 Our report for next <br /> quarter will be transmitted upon completion of laboratory testing <br /> Wallace m Kuhl & Associates, Inc <br /> l� <br /> Robert Kull Richard Premzic <br /> Staff Engineer Registered Geologist #5586 <br /> RK RP rbn sdm <br /> • Copy to Mr Steve Sasson, San Joaquin County <br /> ty <br /> Rob11628-04 Q7'2 <br /> WALLAcE KUHL <br /> Rccycledpape &ASSOCIATES INC <br />