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APPENDIX <br /> This appendix is a compilation of excerpts from the Current Work Plan <br /> (March 15, 1988) which are related to the proposed South Yard Storm Water <br /> Sampling Scope of Work. <br /> 4.3.2.1 Field Activities. (Excerpts) <br /> o Internal Quality Control. Field blanks, duplicates, and <br /> background samples will be included (when appropriate) with <br /> samples sent for laboratory analyses to monitor quality control <br /> of field sampling and laboratory analysis procedures. These QC <br /> samples are discussed in Section 3.2. <br /> Field measurements are performed onsite and do not involve <br /> samples that are collected and retained. The primary QA <br /> objective for these data is to obtain reproducible measurements <br /> to a degree of accuracy consistent with limits imposed by <br /> analytical methodologies for the intended use of the data. <br /> Quality control procedures will be limited to checking the <br /> reproducibility of measurements by taking multiple readings and <br /> by calibration of instruments (where appropriate) . <br /> A separate volume of water will be collected for the measurement <br /> of temperature, pH, and specific conductivity after samples are <br /> collected. The measurements will be taken immediately after the <br /> water is collected. <br /> The requirements listed below will be followed for field <br /> measurements: <br /> - pH. The pH will be measured with an electrometric pH probe. <br /> Each reading and the arithmetic average will be reported to <br /> one decimal place. <br /> A-1 <br />