Frequent Questions about SW-846 Test Methods
EPA received many questions about hazardous waste test methods. The questions and responses are organized into categories and are listed below:
- 3000, 3500, and 3600 Series
 - 8000 Series: Chromatographic Separation Methods
 - 9000 Series: Miscellaneous Test Methods
 - Detection & Quantitation
 - General
 - Hazardous Waste Characteristics
 - Holding Time & Preservation
 - Inorganic
 - Methods Innovations Rule (MIR) & Method Defined Parameters (MDPs)
 - Performance-Based Measurement System (PBMS) & Flexible Approach
 - Quality Assurance (QA) - Quality Control (QC)
 - Sampling