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;G (ogicafTechtnics Inc. L..f Page 2 <br /> Fonner Moresco Property-IRAP <br /> Project No. 251.3 <br /> April 8, 1997 <br /> LN <br /> 2. Fire Department <br /> Name: Stockton Fire Department <br /> L- Phone No: 911 <br /> 3. Company Health and Safety Coordinator <br /> AM Name: Ray Kablanow <br /> Phone No: (209) 538-6424 <br /> LM <br /> 2.0 QUALITY ASSURANCE PROGRAM <br /> +• A methods, procedures and protocol listed in the earlier Geological Technics Inc. documents <br /> will be followed during this next phase of work. More specifically the following will be <br /> incorporated into the established protocol. <br /> 2.1 Drilling Equipment <br /> The soil vapor extraction and air recharge wells will be drilled by V&W Drilling of Rio <br /> Vista, California(license# 720904). <br /> 2.2 Boring Logs <br /> Detailed logs will be made of the boring. The information noted will include: sample <br /> depths, blow counts, horizons of detectable contamination (detected by field methods), soil <br /> �. classification utilizing the Unified Soil Classification System and sediment description <br /> (color, texture, composition, hardness, moisture content, and post-depositional changes that <br /> have occurred in the sediments). <br /> 2.3 Soil Sampling <br /> Soil samples for geologic classification and laboratory analyses will be collected at five foot <br /> intervals in a modified California split-spoon from five feet to the total depth of the boring <br /> (45 feet). Up to two soil samples, including a bottom hole sample from the capillary fringe <br /> will be analyzed from the air-recharge borings. Brass sample liners will be sealed with <br /> aluminum foil, capped, taped, labeled and immediately placed on blue ice for transport to the <br /> state certified laboratory used for this project. <br /> 2.4 Sample Screening <br /> Because every soil sample collected will not submitted for laboratory analysis, a screening <br /> process will be used to gather additional information through field observation noting <br /> sediment type, especially grain size and clay content; moisture content; visible evidence of <br /> contamination, i.e., color change due to reduction of iron or discoloration from hydrocarbons <br /> and other pollutants, and the readings above background on a organic vapor meter (OVM). <br /> The OVM is a field portable photo ionization detector that uses a 10.0 eV lamp to detect <br /> `W compounds with ionization potential below 10.0 eV (hydrocarbon range). <br /> 2.5 Disposal of Soil Boring Cuttings <br />