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j 915 F ), H. KLEINEELDER &ASSOCIATES Bile No. w-2608-1 November 14, 1985 Page 3 4. foot above the perforated section and one foot bentonite plug was placed above the sandpiock to provide a seal against surface water infiltration. The well was fa placed inside a locking Brooks box to protect against vandalism. t ' C. Ss,m2lin Procedure- 4 Soil samples were collected at the time cf drilling for chemical analyses ` at 5-foot intervals from 10 feet to 45 feet below the ground surface. After S the sample was removed from the boring, the soil sample was immediately container and delivered placed in a refrigerated to California Water Labs for analytical testing. All samples were screened in the field with a r; qualitative indication of volatile photoionixation detector (PID) for g s on Plate IV- Selection FID values are shown on the boring log Selection of samples for quantitative chemi2al analysis was based on field Environmental Health screening and recommendations of the County A chain-of- representative present at the site during the time of sampling. he samples to the custody form was utilized by Kleinfelder and accompanied t laboratory. Copies of the chain-of-custody forms are included in the Appendix. D. Water Sam lin Procedure. A water sample was collected from monitoringciler11and Whe sample October was 19, 1985. The well was sampled with a roduct layer or sheen + visually inspected for product layer and sheen. No p the was observed in or on the bailer. The well was then developed fivuntil well water was relatively clear. After development, approximately volumes were removed and a water sample waste collected were sample imlmediately provided by the testing laboratory. The same sealed and placed in a refrigerated container and delivered to California ,f t`#