40 CFR Appendix I to Part 261, Representative Sampling Methods

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Appendix I to Part 261 - Representative Sampling Methods

The methods and equipment used for sampling waste materials will vary with the form and consistency of the waste materials to be sampled. Samples collected using the sampling protocols listed below, for sampling waste with properties similar to the indicated materials, will be considered by the Agency to be representative of the waste.

Extremely viscous liquid - ASTM Standard D140-70 Crushed or powdered material - ASTM Standard D346-75 Soil or rock-like material - ASTM Standard D420-69 Soil-like material - ASTM Standard D1452-65
Fly Ash-like material - ASTM Standard D2234-76 [ASTM Standards are available from ASTM, 1916 Race St., Philadelphia, PA 19103]
Containerized liquid waste - “COLIWASA.”
Liquid waste in pits, ponds, lagoons, and similar reservoirs - “Pond Sampler.”

This manual also contains additional information on application of these protocols.

[ 45 FR 33119, May 19, 1980, as amended at 70 FR 34562, June 14, 2005]

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code

Title 40 published on 09-Jun-2018 05:24

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 261 after this date.

  • 2018-05-30; vol. 83 # 104 - Wednesday, May 30, 2018
    1. 83 FR 24664 - Response to Vacatur of Certain Provisions of the Definition of Solid Waste Rule
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      This final rule is effective on May 30, 2018.
      40 CFR Parts 260 and 261