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• • <br /> sample should be removed and prepared for analysis according to approved EPA <br /> ' methods <br /> In situations where the above procedure is inappropriate, i e semi-solid samples, <br /> glass vials (properly prepared by contract laboratory or consultant) with Teflon seal <br /> and screw cap should be used, and maintained at 41iC until analysis <br /> Organic lead Tetraethylltetramethyllead are volatile therefore, soil samples <br /> �j should be collected to cylinders and kept cold as described for volatile <br /> hydrocarbons above <br /> Shipping Samples Where commercial shippers are involved, dry ice may present <br /> Department of Transportation (DOT) shipping problems and "blue ice" may have to <br /> be substituted <br /> Sample Collection - Soil <br /> Sample collection procedures include equipment cleaning, location description, <br /> discrete and composite sample collection <br /> Equipment Cleaning <br /> Sample bottles, caps, and septa used to sampling <br /> for volatile and semi-volatile <br /> organics will be triple rinsed with high-purity deionized water After being rinsed, <br /> ' sample bottles will be dried overnight at a temperature of 200EIC Sample caps <br /> and septa will be dried overnight at a temperature of 60❑C Sample bottles, caps, <br /> and septa will be protected from solvent contact between drying and actual use at <br /> the sampling site Sampling containers will be used only once and discarded after <br /> analysis is complete <br /> rPlastic bottles and caps used in sampling for metals will be soaked overnight in a 1 <br /> percent nitric acid solution Next, the bottles and caps will be triple rinsed with <br /> detonized water Finally, the bottles and caps will be air dried before being used at <br /> the site Plastic bottles and caps will be constructed of linear polyethylene or <br /> polypropylene Sampling containers will be used only once and discarded after <br /> analysts is complete <br /> Stainless steel or brass cylinders will be cleansed with detergent and hot water to <br /> dry and rinsed with methanol or isopropyl alcohol <br /> Soil samples for hydrocarbons shall be collected in accordance with the LUFT Field <br /> Manual as follows <br /> C -10 <br />