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k" KLEINFELDER <br /> glass ampoule The glass ampoule is then pulled out of the pipe, disengaging the syringe The <br /> septum in the glass ampoule and drive tip reseals after the syringe is removed <br />' To reduce the potential for introducing contaminants into the samples, the drive tip, galvanized <br /> pipe, and other equipment used for sample collection are steam cleaned and/or washed with <br />' trisodium phosphate or non-phosphate detergent solution and double rinsed with distilled water <br /> prior to use The sample probe and filters are cleaned in TSP solution and rinsed with methyl <br /> alcohol followed by a distilled water rinse prior to use New, factory-sterilized syringe needles, <br />' 0-rings, septums and sample tubes are used for each sample <br /> A-2.6 Sample Handling <br />' After sample P, the le is immediately stored in an iced cooler for transport to Kleinfelder's <br /> office sample control or to the analytical laboratory A Kleinfelder chain-of-custody form <br /> accompanies the cooler The chain-of-custody form includes Kleinfelder's name, address and <br /> telephone number, the employee number 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 Kleinfelder 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 Cuttine 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 boring <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 /> 20-1417-16 E03/201 IR259 Page A-3 <br /> Copyright 2001 Kleinfelder Inc February 28,2001 <br />