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TO E RO E K SOP No.005,REv.2 <br /> ASSoc1ATE5,INC BULK MATERIALS SAMPLING <br /> I PAGE 1 <br /> 1.0 BACKGROUND <br /> Bulk materials are typically sampled to characterize a homogeneous collection of a single, <br /> identifiable product. <br /> 1.1 PURPOSE <br /> This standard operating procedure (SOP) establishes the requirements and procedures for <br /> sampling bulk materials. <br /> 1.2 SCOPE <br /> This SOP applies to field sampling of bulk materials with a scoop, trier, or grain thief. It <br /> provides detailed procedures for gathering such samples with specific sampling equipment. <br /> 1.3 DEFINITIONS <br /> Photoionization Detector (PID): A direct-reading air monitoring instrument used to <br /> measure the level of organic vapors in air. <br /> Organic Vapor Analyzer (OVA) Flame Ionization Detector (FID): An air monitoring <br /> instrument used to measure the level of organic vapors in air based on flame ionization. <br /> Grain Thief: A sampling device made of two slotted, concentric, telescoping tubes designed <br /> to penetrate solid material. <br /> Trier: A sampling device consisting of a long tube cut in half lengthwise with a sharpened tip that <br /> allows the sampler to cut into sticky solids and to loosen cohesive soil <br /> 1.4 REFERENCES <br /> deVera, E.R., and others. 1980. "Samplers and Sampling Procedures for Hazardous Waste <br /> Streams." EPA-600/2-80-018. January. <br /> Horwitz, W., and others. 1979. "Animal Feed: Sampling Procedure." Official Methods of <br /> Analysis. The Association of Official Analytical Chemists. 12th Edition. Washington, <br /> DC. <br /> U.S. Environmental Protection Agency. 1984. "Characterization of Hazardous Waste Sites— <br /> A Methods Manual: Volume II. Available Sampling Methods." Second Edition. EPA- <br /> 600/4-84-076. December. <br />