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22 May 2002 <br /> AGE-NC Project No.01-0877 <br /> j Page 6 of 9 <br /> 3.3. MONITORING WELL INSTALLATION, DEVELOPMENT AND SURVEY <br /> Following installation, each well will be developed to maximize water flow and minimize the <br /> -� amount of fine-grained sediment drawn into the well during pumping or bailing.After development, <br /> the top of each newly installed well casing(well head)will be surveyed to determine its elevation <br /> relative to mean sea level. Procedures for well installation, development and survey are presented <br /> in Sections 4.2. and 4.3., respectively. <br /> l 3.4. GROUND WATER SAMPLE COLLECTION AND ANALYSIS <br /> Ground water monitoring and sampling activities for each newly installed ground water monitoring <br /> .I well will be conducted on a quarterly basis unless an alternate schedule or suspension of monitoring <br /> is approved by the EHD. Ground water monitoring activities will include recording depth to ground <br /> water measurements and collection of ground water samples for laboratory analysis. Ground water <br /> r sample collection procedures are described in Section 4.4.3. <br /> , J <br /> _ Ground water samples will be analyzedby a DHS-certified laboratory for the following constituents: <br /> TPH-g, TPH-d and TPH-mo by EPA Method 8015 Modified; <br /> • BTEX by EPA Method 8260. <br /> I <br /> • Fuel additives MTBE, TBA, DIPE, ETBE, TAME, EDB and 1,2-DCA by EPA Method <br /> -I 8260. <br /> Laboratory reports for ground water analyses,testing methods,laboratory quality assurance/quality <br /> control(QA/QC)reports,and sample chain-of-custody documentation willbe presented inthereport. <br /> I. I 3.5. PREPARATION OF REPORT OF FINDINGS <br /> Following the field activities and each ground water monitoring event, a quarterly report will be <br /> prepared presenting the findings.Each report will include a description of work performed and the <br /> results of the soil and/or groundwater sampling and analysis;conclusions and recommendations will <br /> also be included, if applicable. The report will be in a format acceptable to the EHD, and will be <br /> reviewed and signed by a California Registered Geologist. <br /> iI <br /> Advanced GcoEnvironmental,Inc. <br /> ��J <br />