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■ (01.8p Stericycle' • Environmental Solutions Unknown Characterization It is the responsibility of the qualified, on-site personnel to determine PPE requirements, necessary test parameters,which must be acceptable to the designated TSDF, and safety guidelines. * If there are any questions or concerns in regards to performing these tests,the unknown characterizing should be stopped and the plan reviewed with qualified senior personnel. Testing Procedures: 1. Radioactivity Test(If applicable)—If there is the potential for any unknowns to be radioactive,then this test should be done prior to beginning the Stericycle Standard Unknown Testing Procedures. 2. Water Reactivity Test—Record interaction with the DI water(i.e. sinks/insoluble,floats/insoluble or dissolves/soluble) (Interactions will not result in assigning any waste codes.) 3. Record any reactions with the water(i.e.violent, heat generation,vapor generation, etc.) (D003) 4. Corrosivity Test—Test the pH of the sample, utilizing pH paper, and record the results. (D002) 5. Oxidizer Test—Test for oxidizers utilizing potassium iodide starch paper. (D001) 6. Peroxides Test—Test for the presence of peroxides utilizing the peroxide paper. (D001) * If the potential for peroxides exists prior to testing(i.e.generator knowledge or visible crystals in the bottle or around the lid)then the complete a peroxide evaluation prior to handling. ** If peroxides are detected while testing,shut down sampling operation and consult your direct supervisor to establish a safe plan of action. 10, Sulfide Test—Test for Sulfides utilizing lead acetate paper and sulfuric acid. (D003) 11. Cyanide Test—Test for Cyanides utilizing cyantesmo paper. (D003) 12, PCB Test(If applicable)—It is only necessary to test for PCB's if 1)the material appears to be oil and 2)there is reason to believe PCB's could be present(i.e. site historical evidence of PCB's present). * If the presence of PCB's is detected,contact your local Lab Pack Manager for further handling details including manifest and coding instructions. 13, Flash Point Determination—Stericycle is taking a conservative approach. a. A material will be Ignitable and carry a (D001) and (Class 3 or 4.1) if the material is not water-reactive, pH 4-10, or negative for Sulfides, cyanide, oxidizer or peroxides. b. A material will NOT be Ignitable if the material is water-reactive, pH<4 or>10, or positive for sulfide, cyanide, oxidizer, or peroxides or PCB's. Packaging Procedure for"Characterized" Materials 1. Separate the materials by designated hazard class and package in accordance with the standard lab pack procedures for that hazard class. 2. All "Characterized" materials should be packaged for incineration separate from known materials. 3. Inner container restrictions: • Liquids<_ 1-gallon. Maximum 5 gallons total per outer container. • Solids<_8 pounds. Maximum 40 pounds total per outer container. 4. Outer packaging cannot exceed 30-gallons. Packing in 5-gallon pails is preferred. 5. Package Liquids and Solids separately. 6. Acidic Oxidizers should be packaged separately from Oxidizers. 7. Acidic Flammables should be packaged separately from Caustic Flammables. 8. The Unknown Test Log should be used with the Packing List and should be included with each drum and manifest. 9. Package all sample waste materials and debris in a rigid container and lab pack into the appropriate outer packaging. 10. Confirm special packing requirements with the designated Stericycle TSDF or final Third party. © Stericycle 2015. All rights reserved. Confidential Information: Copying, dissemination or distribution of this information is strictly prohibited.