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4 W 11F Environmental Consultants, Inc. Sampling Protocol Page 2 Well Developfneral and Sampling The wells were developed until the well water appeared clear of sediment. The water produced during well development was containerized and left on-site in 55-gallon aste, ifs deemed necessary, i►po11 receipt of laboratory drams for disposal as hazardous w results. Disposal will be the responsibility of the client unless other arrangements have been made. All soil. and groundwater samples were properly labeled with date collected, project number, sample coordinator, and sample identification. Field records document the above information and other significant data. The samples were .refrigerated immediately for delivery to the laboratory and were not opened by anyone other than laboratory personnel. Chain of Custody records were maintained at all. times. Soil Sampling r All soil. sampling equipment was thoroughly steam cleaned before and between samp- lin'g to prevent cross contamination. Relatively undisturbed soil samples were taken al intervals of not more than five feet (5') in order to evaluate the subsurface materi,.ls. The soil samples were taken using a California Modified Split Spoon ;ampler with brass liners. The sampler was driven will: a down hole wire line hammer repeatedly falling approximately 30 inches. L. , The laboratory samples did not have head space and were immediately sealed in their liners using aluminum foil lined plastic caps. The remaining samples were removed from their .liner and used as an aide to the on-site geologist in logging the material at that depth. Soil samples collected for analysis were analyzed using EPA method 3559/303 5 modified for total petroleum hydrocarbons as diesel oil, EPA method 8020 for r3';'1 :: y compounds, and Method 5520 D & F for oil and grease. The State certified laboratq�-y.. 2malyzing the soil samples was GeoAnalytical Laboratories, Inc.