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PRIMEX TECHNOLOGIES • • <br /> Corrective Measures Study Workplan, EPA ID No. CAD 000 626 762 <br /> May 2000 <br /> 1. sample identification, <br /> 2. project number, <br /> 3. site name, <br /> 4. sampler name, <br /> 5. date and time of collection and <br /> 6. constituents for analysis. <br /> Each sample container will be placed in individual re-sealable plastic bags and stored <br /> in pre-cooled containers (ice chests) at approximately 4° Centigrade. Soil samples will <br /> be delivered daily by CE personnel, under Chain of Custody form, to the laboratory <br /> (McCampbell Analytical). <br /> 6.4.2 Quality Assurance/Quality Control Samples <br /> QA/QC samples will be collected and analyzed. including duplicate samples, rinsate <br /> blanks and temperature blanks. Duplicate samples are an additional volume of sample <br /> that is collected for a duplicate analysis. The frequency of duplicate samples will be <br /> 10% of the total number of samples. Rinsate blanks are samples of the water used to <br /> decontaminate sampling equipment. One rinsate blank will be analyzed for TPHd and <br /> 0&G for each day of sampling. Temperature blanks are provided by the laboratory and <br /> will be placed in each cooler delivered to the laboratory. Trip blanks have been omitted <br /> from this WP because there are no volatile analyses to be performed under the CMS <br /> WP. <br /> 6.5 Equipment Decontamination <br /> Sampling equipment that comes into contact with soil will be decontaminated prior to <br /> each sample collection in order to minimize the potential for cross contamination. The <br /> general decontamination procedures outlined in the RFI WP will be followed, including: <br /> scraping off caked-on soil, brush-scrubbing the items in water and a surfactant (e.g., <br /> trisodium phosphate), double rinsing and air drying prior to re-introduction into the soil. <br /> 6.6 Reporting <br /> Following the CMS WP, CE will prepare a report that documents the procedures used, <br /> samples collected, analytical results and documentation of contaminated soil removal. <br /> The report will include the analytical results, sample logs and documentation of soil <br /> disposal. <br /> 7.0 HEALTH & SAFETY <br /> CE will update the Site Specific Health & Safety Plan utilized during the RFI field work <br /> CHOW ENGINEERING, INC. 9 <br />