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el 1} <br /> RZV <br /> Working To Restore Nature <br /> Groundwater samples were collected from wells MW-1, MW-2, and MW-4 through MW-7 after <br /> purging and stabilization of pH, electrical conductivity (EC), and temperature Floating <br /> hydrocarbon product was noted in well MW-3 and measured to be approximately 1 64 feet in <br /> thickness. Approximately 1 0 liters of free product was removed from MW-3 by bailing (Table <br /> 2) Monitoring well purge logs are included in Attachment 1 <br /> Laboratory Analysis <br /> Groundwater samples were analyzed by Sequoia Analytical (DHS Cert #1210) for benzene, <br /> toluene, ethylbenzene, xylenes, and total petroleum hydrocarbons as gasoline by EPA methods <br /> 8020 and modified 8015, respectively Laboratory analysis indicates the presence of petroleum <br /> hydrocarbons in the samples collected from MW-1, MW-2, MW-4, MW-6, and MW-7 <br /> Petroleum hydrocarbons were not present at or above method detection limits in the sample <br /> collected from well MW-5 The analytical results are summarized in Table 3, the laboratory <br /> reports and chain-of-custody documentation are presented in Attachment 2 <br /> RESNA will continue the monthly product recovery/quarterly monitoring program at this site, <br /> the next sampling event will be performed in August 1994 If you have any questions regarding <br /> this project, please contact me at our Escalon office (209) 838-3507 <br /> • Respectfully, <br /> RESNA Industries Inc <br /> Lois Frantz <br /> Geologist <br /> Gregory P Stahl <br /> CA Registered Geologist No 5023 <br /> LFlgk <br /> Attachments <br /> PC: Mr Gerald Sperry, Freeman, Brown, Hartmann, Sperry & D'Aluto <br /> Mr Richard Konig, Richard W Konig, Inc <br /> CRWQCB <br /> 1500701QUARTLY\ZQR-1994 FML <br />