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• *Although not required by PHS/EHD , analyses were also <br /> performed for Total Oil and Grease (TOG) using SM 5520 B&F <br /> All samples were free of detectable concentrations of TOG <br /> TPH-D Total Petroleum Hydrocarbons as Diesel <br /> TPH-G Total Petroleum Hydrocarbons as Gasoline <br /> BTEX Benzene, toluene , ethylber_zene, total xylenes <br /> ppb Parts per billion <br /> N D Not detected <br /> SUMMARY OF OTHER ENVIRONMENTAL ACTIVITIES PERFORMED DURING <br /> THE PAST QUARTER <br /> Proposals for additional assessment activities have been <br /> submitted to PHS/EHD Copies of the proposal have also <br /> been forwarded to the Central Valley Regional Water Quality <br /> Control Board and the City of Tracy { from which an <br /> encroachment permit will be requested for advancing soil <br /> borings along Grantline Road} , <br /> ENVIRONMENTAL COMPLIANCE ACTIVITIES SCHEDULED FOR THE NEXT <br /> QUARTER <br /> . EPM will carry out the assessment tasks described in an <br /> approved workplan Work will be scheduled to begin within <br /> two weeks of EPM' s receipt of PHS/EHD and City of Tracy <br /> approval The field portion the treatability study <br /> previously approved for on-site remediation of hydrocarbon <br /> contamination of soil and water will be performed during <br /> the next quarter The next sampling of the on-site wells <br /> for compliance monitoring will be performed during latter <br /> part of the month of November ( 1993) <br /> John E Rapp , REHS <br /> EPM Technologies , Inc <br /> JER ms <br /> enc Appendix A Reports of Laboratory Analyses , Cham <br /> of Custody Documents , Well Monitoring <br /> Forms <br /> Page 4 <br />