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Horizon Environmental, Inc <br /> FIELD METHODS AND PROCEDURES <br /> The following section describes field procedures that will be utilized by Horizon <br /> Environmental Inc (Horizon) personnel in performance of the tasks involved with this <br /> project <br /> 1 0 HEALTH AND SAFETY PLAN <br /> Field work performed by Horizon and subcontractors at the site will be conducted according <br /> to guidelines established in a Site Health and Safety Plan (SHSP) The SHSP is a <br /> document that describes the hazards that may be encountered in the field and specifies <br /> protective equipment, work procedures, and emergency information A copy of the SHSP <br /> will be at the site and available for reference by appropriate parties during work at the site <br /> 2 0 LOCATING UNDERGROUND UTILITIES <br /> Prior to commencement of work on site, the location of underground utilities will be <br /> researched with the assistance of Underground Service Alert (USA) USA will contact the <br /> owners of the various utilities in the vicinity of the site to have the utility owners mark the <br /> locations of their underground utilities Work associated with the boring and monitoring <br /> well installation will be preceded by manual hand augering to a minimum depth of 5 feet <br /> below grade to avoid contact with underground utilities <br /> 3 0 SOIL BORING AND SOIL SAMPLING PROTOCOL <br /> Soil borings and soil sampling will be performed under the supervision of a Horizon <br /> geologist The soil borings will be advanced using a truck-mounted hollow-stem auger <br /> drilling rig <br /> To reduce the chances of cross-contamination between boreholes, downhole drilling <br /> equipment and sampling equipment will be steam-cleaned between borings To reduce <br /> cross-contamination between samples, the split-barrel sampler will be washed in a soap <br /> solution and double-rinsed between each sampling event <br /> Soil sampling will be conducted in accordance with ASTM 1586-84 Using this procedure, <br /> a split-barrel sampler (California-type sampler) lined with brass sample tubes is driven into <br /> the soil at approximately 5-foot intervals by a 140-pound weight falling 30 inches The <br /> number of blow counts required to advance the sample 18 inches will be recorded at each <br /> sample interval <br /> Upon recovery, a portion of the soil sample will be placed in a plastic bag and sealed for <br /> later screening with an hNu type organic vapor meter (OVM) Another portion of the soil <br /> sample will be used for classification and description One of the samples will be sealed in <br /> i1419 11-RPT HORIZON ENVIRONMENTAL INC <br />