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• analysis.y These sample will be preserved, chain of custody hand <br /> f, delivered and analyzed as described earlier. i <br /> SAMPLES <br /> All samples will be collected, labeled, preserved and chain of <br /> custody delivered using EPA and LUST protocol. Soil samples will <br /> be screened, using a PID analyser calibrated to a 25 ppm gasoline <br /> vapor standard, prior to sealing the sample. Soil samples will be <br /> classified using the ASTM D 24r3-84 (the Unified Soil <br /> Classification System) . <br /> The soil samples recovered from the borings will be analyzed using <br /> EPA methods 5030 for extraction and 8015-TPH and 8020-BTES. <br /> STORAGE OF DRILLING CUTTINGS, RINSEATE AND ANY PURGED WATER FROM <br /> 80RINGB/MONITOR WELLS. <br /> All fluids produced from the cleaning of the drilling and sampling <br /> equipment and/or the purgeing and sampling of the borings/monitor <br /> wells will be contained on site in 17H Hazardous Materials drums <br /> and label as gasoline contaminated material until laboratory <br /> analysis indicates how the stored fluids shall be handled. <br /> All cuttings produced from the drilling and sampling activities <br /> that are not to be used for chemical and physical analysis will be <br /> placed with the SPI excavated soil piles and will be handled with <br /> -~ that soil. <br /> ' HEALTH AND SAFETY <br /> The borings will be continuously monitored with a LEL/02 meter and <br /> the site periodically monitored with a hand held PID meter. All <br /> personnel involved with this site have a current OSHA-SARA <br /> ¢ Certificate of Training, see Appendix D-Health and Safety Plan. <br /> The site, until found otherwise, is being treated as cuss D. <br /> If you have any questions concerning this work pian please contact <br /> George Converse at (916) 662--4541. <br /> Sincerely yours, <br /> George Converse Jack E. Na <br /> Project Geologist CA Reg. Geologist 03037 <br /> cc: Mr. John Margowski, Wickland Properties <br /> Mr. Tom Peltier, RWQCB <br /> 3 <br />