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07 December 2001 <br /> AGE Project No 96-0232 <br /> Page 7 of 9 <br /> Laboratory reports for ground water analysis, testing methods, laboratory quality assurance/quality <br /> control (QA/QC) reports, and sample chain of custody documentation will be presented in quarterly <br /> reports <br /> Ground water treatment operational parameters will be monitored at a minimum of weekly to <br /> monitor cleanup progress The ground water treatment system will be maintained on a weekly basis <br /> according to manufacturers recommendations <br /> As per Cleanup and Abatement Order No 5-00-700, quarterly ground water monitoring and <br /> sampling will be performed on all Flag City Chevron wells throughout the remediation period to <br /> monitor remedial progress <br /> 6.0. PROCEDURES <br /> All field procedures will be overseen by an AGE representative under the supervision of a California <br /> Registered Geologist Procedures for ground water extraction well installation, underground piping <br /> • system installation, pump and treat system start-up period, sampling, monitoring, maintenance and <br /> progress/confirmation sampling are outlined below <br /> 61 DRILLING <br /> The following procedures will be performed prior to any digging/drilling activities <br /> • Prepare a Site Health and Safety Plan in accordance with the Occupational Safety and Health <br /> Guidance Manual for Hazardous Waste Site Activities - Prepared by National Institute for <br /> Occupational Safety and Health, Occupational Safety and Health Administration, U S Coast <br /> Guard and U S Environmental Protection Agency, October 1985 <br /> • Notify the RWQCB and PHS-EHD a minimum of 48 hours prior to commencement of any <br /> work, whale securing proper soil boring or well installation permits <br /> • All drilling locations will be marked at least 48 hours in advance for an Underground Service <br /> Alert (USA) check of underground utilities or pipes <br /> 62 OFF-SITE SYSTEM DESIGN <br /> . Ground water will be extracted from three newly installed off-site ground water extraction wells <br /> (Figure 3) utilizing submersible, 4-inch diameter Grundfos self-priming down-hole pumps Each <br /> Advanced GeoEnvironmental,ine <br />