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' k" KLEINFELDER <br /> alcohol followed by a distilled water rinse prior to use New, factory-stenli zed syringe needles, <br /> 0-rings, septums and sample tubes are used for each sample <br /> A-2 6 Sample Handling <br /> After labeling, the sample Is immediately stored in an iced cooler for transport to Kleinfelder's <br /> office sample control or to the analytical laboratory A Klemfelder chain-of-custody form <br /> accompanies the cooler The chain-of-custody form Includes Kleinfelder's name, address and <br />' telephone number, the employee nuinber of the individual who performed the sampling, the <br /> sample numbers, the date and time the samples were collected, the number of containers each <br /> sample occupies, the sample matrix (soil or water) and the analyses for which the samples are <br />' being submitted, if any The chain-of-custody form is signed by each person who handles the <br /> samples, including all Klemfelder employees and the receiving employee of office sample <br /> control or the analytical laboratory when the samples are delivered <br />' A-2.7 Decontamination of Equipment <br /> To reduce the potential for cross-contamination, augers and associated equipment are steam <br /> cleaned prior to drilling each boring In addition, sampling equipment is cleaned with a <br /> trisodium phosphate or non-phosphate detergent wash and rinsed with distilled water prior to <br />' collecting each soil sample <br /> A-2.8 Soil Boring Closure and Cutting Disposal <br /> Soil borings are closed immediately after the collection and logging of soil samples Closure is <br />' accomplished by grouting the boring with a cement/bentonite slurry or as otherwise required <br /> Drill cuttings will be placed In 55-gallon drums wrapped in plastic or spread around the bonng <br /> and left on site for disposal by the site owner if requested, Kleinfelder can coordinate disposal <br /> of soil and water after analytical results are available <br /> A-3 GROUNDWATER WELL INSTALLATION <br />' A-3.1 Monitoring Well Construction <br /> Construction details for shallow groundwater monitoring wells are as follows <br />' The well casing are 2- or 4-inch inside diameter, flush threaded joint, schedule 40 PVC e <br />' • The wells are constructed in 8- or 10-Inch diameter borings <br /> ' • Well screen sections are perforated with 0 010- or 0 020-inch factory-cut slots <br /> • The wells are generally screened from 5 feet above to 15 feet below first groundwater <br /> 18748 T02/ST03RO81 Page A-3 <br /> 002003 Klemfelder, Inc January 23,2003 <br />