Federal Register Notices
• Proposed Rule – Hazardous Waste Guidelines and Regulations: 43 FR 58946, December
18, 1978
• Final Rule - Land Disposal Restrictions for Third Third Scheduled Wastes
55 FR 22520, June 1, 1990
• Proposed Rule – Hazardous Waste Management System; Testing and Monitoring
Activities: 58 FR 46052, August 31, 1993
• Proposed Rule – Land Disposal Restrictions Phase IV: Treatment Standards for Wood
Preserving Wastes, Exemptions from RCRA for Certain Processed Materials/Mineral
Processing and Bevill Exclusion Issues and the Use of Hazardous Waste as Fill: 62 FR
25997, May 12, 1997
• Proposed Rule – Hazardous Waste Management System; Testing and Monitoring
Activities: 58 FR 46052, August 31, 1993
Corrosivity
The regulations for the hazardous characteristic of corrosivity can be found at 40 CFR 261.22.
Regulations for Aqueous Solutions
§ 261.21
(a) A solid waste exhibits the characteristic of corrosivity if a representative sample of the waste
has either of the following properties:
(1) It is aqueous
and has a pH less than or equal to 2 or greater than or equal to 12.5, as
determined by a pH meter using
Method 9040C in "Test Methods for Evaluating Solid
Waste, Physical/Chemical Methods," EPA Publication SW–846, as incorporated by
reference in §260.11 of this chapter.
Federal Register Notice
• Final Rule: Hazardous Waste Management System: Testing and Monitoring Activities
(Evaluating Aqueousness) 60 FR 3089, January 13, 1995
Letters/Memoranda
• INTERPRETATION OF "AQUEOUS" AS APPLIED TO THE CORROSIVITY CHARACTERISTIC
• "AQUEOUS" AS APPLIED TO THE CORROSIVITY CHARACTERISTIC
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