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sample was collected at 12 5-feet bgs in boring CPT-14 using a split-barrel drive sampler The brass liner was then removed from the sampler, trimmed, sealed with Teflon tape, plastic end caps and duct tape, labeled, sealed in a plastic bag and stored on ice for transport to Chromalab, Inc of Pleasanton, California (ELAP #1094) under chain of custody No sample could be recovered from this depth in boring CPT-13 The borings were then advanced to depths of 40-feet bgs, 70-feet bgs and 117-feet bgs for the collection of groundwater samples with a SimulProbe sampler A SimulProbe sampler was advanced to the desired sampling depth while being backpressurized with nitrogen Once the desired sample depth was reached, the nitrogen backpressure was released and groundwater was allowed to flow into the sampler The sampler was then withdrawn from the ground The samples were contained in 40-m1 volatile organic analysis (VOA) vials, pre-preserved with hydrochloric acid, and non-preserved 1-liter amber glass containers The samples were then labeled and cooled in an ice chest with wet ice for transport t o Chromalab under chain of custody Due to the low permeability of the water bearing zone, no sample could be collected from the 117-foot depth in boring CPT-13 5 . 0 ANALYTICAL RESULTS FOR SOIL AND GROUNDWATER SAMPLES COLLECTED FROM THE CPT BORINGS The soil sample collected from the capillary zone in boring CPT-14, as well as the groundwater samples collected from 40 and 70-feet bgs in boring CPT-13 and 40, 70 and 117-feet bgs in boring CPT-14 were analyzed by Chromalab for TPH-G by modified EPA Method 503018015, TPH-D by modified EPA Method 3550/8015 and volatile organic compounds (VOCs) and fuel oxygenates by EPA Method 8260 The analytical results for the soil sample collected from CPT-14 are tabulated in Table One The analytical results for the groundwater samples collected from the CPT borings are tabulated in Table Two A copy of the certified analytical reports and chain of custody forms are included in Appendix B Relatively low concentrations of toluene, ethylbenzene, total xylenes, naphthalene and isopropylbenzene were detected in the soil sample collected from boring CPT-14 None of these hydrocarbon concentrations exceeded United States Environmental Protection Agency (USEPA) preliminary remediation goals (PRGs) for residential soil Relatively low petroleum-hydrocarbon and VOC concentrations were detected in the groundwater samples collected from the CPT borings It is Franks One Stop Report - June 1999 -5-