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TO E RO E K SOP No.005,REv.2 <br /> ASSoc1ATE5,INC BULK MATERIALS SAMPLING <br /> I PAGE 4 <br /> FIGURE 1. Triers <br /> OEM- <br /> The following procedure can be used to sample bulk materials with a trier, scoop, or trowel: <br /> 1. Place all sampling equipment on plastic sheeting next to the sampling location. <br /> 2. Wear appropriate protective clothing and gear. Use an HNu® or OVA®to monitor <br /> for levels of volatile organic vapors that may be present in accordance with SOP <br /> No. 003, Organic Vapor Air Monitoring. <br /> 3. Affix a completed sample container label to the appropriate sample container. <br /> 4. Insert a clean trier, scoop, or trowel (implement) into the material at a 0 to 45 <br /> degree angle from horizontal. This orientation minimizes sample spillage. <br />