Test methods for analyzing hazardous wastes shall be as specified in the following publications, as incorporated by reference in 40 CFR 260.11 and available as noted in Appendix B:

1. (a) “Standard Test Methods for Flash Point of Liquids by Setaflash Closed Tester,” ASTM D3278-78;
2. (b) “Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester,” ASTM D93-79 or D93-80;
3. (c) The test methods identified in 40 CFR 260.11(c)(4) that are published in the test methods compendium known as “Test Methods for Evaluating Solid Waste, Physical/Chemical Methods,” EPA publication SW-846;

4. (d) “Method 1664, n-Hexane Extractable Material (HEM; Oil and Grease) and Silica Gel Treated n‑Hexane Extractable Material (SGT–HEM; Non-polar Material) by Extraction and Gravimetry” as follows:

   1. (1) “Revision A”, EPA Publication EPA–821–R–98–002, February 1999; and
   2. (2) “Revision B”, EPA Publication EPA–821–R–10–001, February 2010;
5. (e) “Standard Test Method for Finite Flash Point Determination of Liquid Wastes by Small Scale Closed Cup Tester,” ASTM D8174-18;
6. (f) “Standard Test Method for Finite Flash Point Determination of Liquid Wastes by Pensky-Martens Closed Cup Tester,” ASTM D8175-18; and
7. (g) “Standard Test Method for Concentration Limits of Flammability of Chemicals (Vapors and Gases),” ASTM E681-85.

Source. #7207-B, eff 2-26-00; ss by #7333, eff 8-1-00; ss by #9215, INTERIM, eff 8-1-08; ss by #9367, eff 1-28-09; ss by #12346, eff 8-14-17; amd by #12922, eff 11-23-19; ss by #14279, eff 8-1-25; ss by #14524, eff 2-28-26, EXPIRES: 2-28-36