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In the event soil samples are collected Sod sample for hydrocarbons shall be <br /> handled in accordance with the California State Water Resources Control Board <br /> LUFT Field Manual, 1989 Revision, Appendix C (LUFT Field Manual) incorporated <br /> ' with the following <br /> Care should be taken throughout to avoid contamination of both the inside and <br /> ' outside of the cylinder and its contents <br /> Sample homogenization should not be performed on samples intended for volatile <br /> and semi-volatile organic analysis since the mechanical action of mixing exposes a <br /> larger surface area of the contaminated soils and other solids in the samples to the <br /> air, thus increasing the total amount of volatilization <br /> Samples should be kept ° <br /> A p cold (4 C) at the laboratory until they are analyzed <br /> Holding time should not exceed 14 days from the time of collection If necessary, <br /> cold soil cores should be removed from the cylinders by spot heating the cylinder <br /> and immediately extruding the sample (or a portion of it) A portion of the cold <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 411C until analysis <br /> ' Organic lead Tetraethyl/tetramethyllead are volatile therefore, soil samples <br /> should be collected in cylinders and kept cold as descnbed 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 /> C- 8 <br /> 1 <br />