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EPA is proposing to revise several methods and chapters of SW-846 and release these revisions as an update (Update IIIB) to the Third Edition of SW-846. To date, EPA has finalized Updates I, II, IIA, IIB, III, and IIIA to the Third Edition of the SW-846 manual. On May 8, 1998 (see 63 FR 25430) and on November 27, 2000 (see 65 FR 70678), EPA also respectively announced the availability of Draft Update IVA and Draft Update IVB methods and chapters, which were published for guidance purposes only. All Update IIIB documents can be viewed or downloaded from this site.
Federal Register: Proposed Rule - October 30, 2002 Federal Register: Extension of Public Comment Period - January 16, 2003 Supporting materials and public comments for these notices are available
through EPA's To locate at this site the specific documents found in Proposed Update
IIIB of SW-846, click on the appropriate document type at the top of this
page, which will in turn take you to a complete listing of the applicable
documents and links to each of those documents. For example, in order
to locate Method 1010A, click on the phrase "1000 Series," which
will take you to a listing of the Proposed Update IIIIB SW-846 methods
in the 1000 series. Step-by-Step Guidance for Viewing/Downloading PDF Files
Table of Contents [PDF Format 183 KB] The Table of Contents was revised to include the new method numbers for the revised methods of Proposed Update IIIB. Chapter Five [PDF Format 81 KB] This chapter was revised to include the new method numbers for the revised methods of Proposed Update IIIB.
This chapter was revised to include the new method numbers for the revised methods of Proposed Update IIIB.
This chapter was revised to reflect the withdrawal of the reactive cyanide and sulfide guidance in sections 7.3.3 ("Interim Guidance for Reactive Cyanide") and 7.3.4 ("Interim Guidance for Reactive Sulfide"), and to replace certain characteristic explanatory text with referrals to the regulations themselves. Chapter
Eight [PDF Format 85 KB] This chapter was revised to include the new method numbers for the revised methods of Proposed Update IIIB. Update IIIB Method Status Table Method Status Table: [PDF Format 94 KB] This document provides historical status information on EPA-published draft, proposed, and final SW-846 methods and chapters. The Methods Status Table was revised to include the new method numbers for the revised methods of Proposed Update IIIB. Method
1010A: [PDF Format 57 KB] This method was revised to replace the obsolete reference to ASTM Method D 93-79 or D 93-80 with a reference to a more recent version of this method, ASTM Method D 93-99c. Method
1020B: [PDF Format 54 KB] This method was revised to replace the out-of-date reference to ASTM Methods D 3278-78 with a reference to the most recent version of this method, ASTM Methods D 3278-96. In addition, the title of Method 1020 was changed from "Setaflash Closed-Cup Method for Determining Ignitability" to "Small Scale Closed Cup Method for Determining Ignitability" for consistency with the title of ASTM Standard D 3278-96. Method
1110A: [PDF Format 74 KB] This method was revised to clarify the surface area equation found in section 4.5. We have received questions from the public indicating that the current equation is not sufficiently clear as written, due to the equation font and format. We changed section 4.5 of Method 1110 to a format that is less subject to misinterpretation. This does not represent a significant change to that method or the characteristic because the new presentation does not change the equation or calculation result. Method
1310B: [PDF Format 294 KB] The text in section 6.0 was revised to remove required uses of Chapter Nine during the required uses of this method. We made this revision to clarify that use of sampling directions found in Chapter Nine of SW-846 is guidance and not required under the RCRA Program. Method
9010C:[PDF Format 118 KB] The text in section 6.0 was revised to remove required uses of Chapter Nine during the required uses of this method. We made this revision to clarify that use of sampling directions found in Chapter Nine of SW-846 is guidance and not required under the RCRA Program. Method
9012B:[PDF Format 265 KB] The text in section 6.0 was revised to remove required uses of Chapter Nine during the required uses of this method. We made this revision to clarify that use of sampling directions found in Chapter Nine of SW-846 is guidance and not required under the RCRA Program. Method
9040C: [PDF Format 38 KB] The text in section 6.0 was revised to remove required uses of Chapter Nine during the required uses of this method. We made this revision to clarify that use of sampling directions found in Chapter Nine of SW-846 is guidance and not required under the RCRA Program. Method
9045D: [PDF Format 50 KB] The text in section 6.0 was revised to remove required uses of Chapter Nine during the required uses of this method. We made this revision to clarify that use of sampling directions found in Chapter Nine of SW-846 is guidance and not required under the RCRA Program. Method
9060A: [PDF Format 45 KB] The text in section 6.0 was revised to remove required uses of Chapter Nine during the required uses of this method. We made this revision to clarify that use of sampling directions found in Chapter Nine of SW-846 is guidance and not required under the RCRA Program. Method
9070A: [PDF Format 32 KB] The suffix "A" and a method title were added, which were inadvertently left out during its last promulgation as part of Update IIIA. Method
9095B: [PDF Format 50 KB] The text in section 6.0 was revised to remove required uses of Chapter Nine during the required uses of this method. We made this revision to clarify that use of sampling directions found in Chapter Nine of SW-846 is guidance and not required under the RCRA Program. Some of the documents provided by EPA are Adobe Acrobat PDF (Portable Document Format) files. For more information about PDFs, visit the About PDF page.
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