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Smith Environmental Technologies Corporation <br />Quality Assurance/Quality Control Ply <br />Revised February 1995 <br />Equipment and well material decontamination will be conducted on an impermeable surface and all <br />decontamination eluent will be contained. All surfaces of the equipment will be thoroughly <br />decontaminated using a steam cleaner. The equipment will be placed on a drying rack for air drying. <br />The decontamination water will be stored in containers certified for hazardous materials storage and <br />disposed of in an approved manner. <br />Sample equipment to be used for pesticides and organic analysis will be washed in a nonphosphate <br />detergent (Alconox or equivalent) and rinsed with tap water, followed by deionized water. If the <br />equipment is for metals analysis, the initial rinse will be conducted with 0.1 N nitric acid followed by <br />tap water and deionized water. <br />7.0 FIELD EQUIPMENT CALIBRATION AND MAINTENANCE <br />The following measuring equipment may be used during the Remedial Investigation. Equipment is <br />grouped by field activity. Calibration procedures and frequency are listed by piece. <br />Soil Borings and Well Dimensions <br />Steel and coated cloth tape. Calibration: none. <br />Water Level Measurements in Wells <br />Steel surveyors tape. Calibration: manufacturer supplied temperature correction will be applied <br />as applicable for field conditions. Electrical well sounders. Calibration: check against steel <br />surveyor's tape. <br />m:� ..\shellslQAQC-95. WP5 <br />5 <br />• <br />SKIN <br />