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In situations where the above procedure is inappropriate, i e semi-solid samples, glass vials (properly prepared by contract laboratory or consultant) with Teflon seal and screw cap should be used, and maintained at 40C until analysis Organic lead Tetraethyl/tetramethyllead are volatile therefore, soil samples should be collected in cylinders and kept cold as described for volatile ' hydrocarbons above Shipping Samples Where commercial shippers are involved, dry ice may present ' Department of Transportation (DOT) shipping problems and "blue ice" may have to be substituted Sample Collection - Soil ' Sample collection procedures include equipment cleaning, location description, discrete and composite sample collection ' Equipment Cleaning Sample bottles, caps, and septa used in sampling for volatile and semi-volatile organics will be triple rinsed with high-purity deionized water After being rinsed, sample bottles will be dried overnight at a temperature of 200❑C Sample caps and septa will be dried overnight at a temperature of 60❑C Sample bottles, caps, and septa will be protected from solvent contact between drying and actual use at the sampling site Sampling containers will be used only once and discarded after analysis is complete Plastic bottles and caps used in sampling for metals will be soaked overnight in a 1 ' percent nitric acid solution Next, the bottles and caps will be triple rinsed with de- ionized water Finally, the bottles and caps will be air dried before being used at the site Plastic bottles and caps will be constructed of linear polyethylene or ' polypropylene Sampling containers will be used only once and discarded after analysis is complete Stainless steel or brass cylinders will be cleansed with detergent and hot water to dry and rinsed with methanol or isopropyl alcohol ' Soil samples for hydrocarbons shall be collected in accordance with the LUFT Field Manual as follows ' C - 10