Appendix B
Definition of “Generator Knowledge”

“Generator knowledge” is a hazardous waste evaluation method commonly accepted and defined by the U.S. Environmental Protection Agency and individual states based on some or all of the following information:

  1. Facility process flow diagram or narrative description of the process generating the waste (should be used in most cases).

  2. Chemical makeup of all ingredients or materials used in the process that generates the waste (should be used in most cases).

  3. List of constituents that are known or believed to be by-products or side reactions to the process that produces the waste.

  4. Material Safety Data Sheets and/or product labels for substances used in the process that generates the waste.

  5. Data obtained from approved methods of sampling and laboratory analysis of waste generated from the same process using the same ingredients/materials.

  6. Data obtained from literature regarding waste produced from a similar process using the same ingredients/materials.

  7. Documentation of product specifications or input materials and output products.

REFERENCE

EPA (U.S. Environmental Protection Agency). 2005. RCRA Hazardous Waste Identification Training Module, 40 CFR 261, September. Washington, D.C.: Environmental Protection Agency.



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appendix B definition of “Generator Knowledge” “Generator knowledge” is a hazardous waste evaluation 5. Data obtained from approved methods of sampling method commonly accepted and defined by the U.S. Envi- and laboratory analysis of waste generated from the ronmental Protection Agency and individual states based on same process using the same ingredients/materials. some or all of the following information: 6. Data obtained from literature regarding waste produced from a similar process using the same 1. Facility process flow diagram or narrative description ingredients/materials. of the process generating the waste (should be used 7. Documentation of product specifications or input in most cases). materials and output products. 2. Chemical makeup of all ingredients or materials used in the process that generates the waste (should be reFereNce used in most cases). EPA (U.S. Environmental Protection Agency). 2005. RCRA Hazardous 3. List of constituents that are known or believed to Waste Identification Training Module, 40 CFR 261, September. Wash- be by-products or side reactions to the process that ington, D.C.: Environmental Protection Agency. produces the waste. 4. Material Safety Data Sheets and/or product labels for substances used in the process that generates the waste.