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• A. SAMPLE CONTAINERS AND PRESERVATIVES <br /> Table 4 itemizes sample containers to be used at the site. <br /> Table 4 <br /> Groundwater Sample Containers and Preservatives <br /> Procedure Container Quantity Preservative <br /> EPA 624, 625 (volatile & semi Glass with teflon lined cap 2x40 ml Cool to 4°C <br /> volatile organics) <br /> EPA 9010 (Total Cyanide) Glass 1 L Cool to <br /> 4°C, NaOH <br /> to pH 12 <br /> 503A (Oil & Grease) Glass, teflon lined cap 1 L Cool to <br /> 4°C, HCl to <br /> pH,2 <br /> 608/8080 (Pesticides) Glass, teflon lined cap 1 L Cool to 4°C <br /> EPA 6010/7000 (chromium VI) Glass 100 ml Cool to 4°C <br /> • EPA 6010/7000 (all other metals) Glass =300 ml Cool to <br /> 4°C, HNO, <br /> B. CHAIN OF CUSTODY, SAMPLE IDENTIFICATION, AND SITE SAFETY PLAN <br /> Chain of custody and sample identification procedures ensure sample integrity and <br /> document sample possession from the time of collection to ultimate disposal. <br /> 1. SAMPLE IDENTIFICATION <br /> A label will be affixed to each sample container to identify job number, date, <br /> time of sample collection, identity of sampler, analysis requested, and sample <br /> number unique to that sample. The aforementioned information on the label, the <br /> sample description, field measurements, sampling methodology, names of on-site <br /> personnel, and other pertinent field observations, will be recorded on the boring <br /> log or in the field log book. <br /> • <br /> 9 <br /> ERICKSON, Inc. <br /> Specialized Service to Industry Since 1942 <br />