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FIELD METHODS AND PROCEDURES <br /> The following section describes field procedures utilized by Delta personnel in the performance of the <br /> tasks involved with this protect <br /> 1.0 HEALTH AND SAFETY PLAN <br /> Fieldwork performed by Delta and subcontractors at the site was conducted according to guidelines <br /> established in a Site Health and Safety Plan (SHSP) The SHSP is a document designed to described the <br /> hazards that may be encountered in the field and specifies protective equipment, work procedures, and <br /> emergency information A copy of the SHSP was reviewed and was available for reference by <br /> appropriate parties during work at the site <br /> 2.0 LOCATING UNDERGROUND UTILITIES <br /> Prior to commencement of work on site, Delta researched the location of all underground utilities with <br /> the assistance of Underground Service Alert (USA) USA contacted the owners of the various utilities <br /> in the vicinity of the site to have the utility owners marls the locations of their underground utilities <br /> Work associated with the boring and monitoring well installation was preceded by manual hand augering <br /> to a minimum depth of 5 feet below grade to avoid contact with underground fuel distribution and vent <br /> lines and other unmarked utilities <br /> 3.0 SOIL BORING AND SOIL SAMPLING PROTOCOL <br /> Soil borings and soil sampling was performed under the supervision of a Delta geologist The soil <br /> borings were advanced using a truck-mounted hollow-stem auger drilling rig <br /> To reduce the chances of cross-contamination between boreholes, all downhole drilling equipment was <br /> steam-cleaned between each boring To reduce cross-contamination between samples, the split-barrel <br /> sampler was washed in a soap solution and double-rinsed between each sampling event <br /> Soil sampling was conducted in accordance with ASTM 1586-84 Using this procedure, a 2-inch <br /> diameter, split-barrel sampler (California-type sampler) lined with three 2-inch by 6-inch long brass <br /> sample tubes is driven into the soil at approximately 5-foot intervals by a 140-pound weight falling 30 <br /> inches The number of blow counts required to advance the sample 18 inches was recorded at each <br /> sample interval <br /> LRP2o2 CAC <br />