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Regulatory documents from Regulations.gov including rules, proposed rules, notices, and supporting materials.

Data license: Public Domain (U.S. Government data) · Data source: Federal Register API & Regulations.gov API

22 rows where docket_id = "EPA-HQ-OW-1998-0004" sorted by posted_date descending

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id agency_id docket_id title document_type subtype posted_date ▲ posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id
EPA-HQ-OW-1998-0004-0025 EPA None EPA-HQ-OW-1998-0004 August 28, 1995. ORD Clearance Form. Re: Methods for the Determination of Organic Compounds in Drinking Water - Supplement III. 1 p [W-97-05-I-C-2] Supporting & Related Material Form 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:47Z   0 0 09000064b8fb2979
EPA-HQ-OW-1998-0004-0035 EPA None EPA-HQ-OW-1998-0004 USEPA. Method 515.3. Determination of Chlorinated Acids in Drinking Water by Liquid-Liquid Extraction, Derivatization and Gas Chromatography with Electron Capture Detection. Office of Research and Development, Cincinnati, OH 45268. July 1996. 57 pp [W-97-05-I-B-10] Supporting & Related Material Data 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:49Z   0 0 09000064b8fb2983
EPA-HQ-OW-1998-0004-0026 EPA None EPA-HQ-OW-1998-0004 Brenner 1996a. Brenner, K.P., et al., Comparison of the Recoveries of Escherichia coli and Total Coliforms from Drinking Water by the MI Agar Method and the U.S. Environmental Protection Agency-Approved Membrane Filter Method, Appl. Environ. Microbiol. 62:203-208. With two attachments: Sign-off list for internal review of EMSL publications and ORD Clearance Form. et al. [W-97-05-I-B-4] Supporting & Related Material Publication - Copyrighted Materials 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:47Z   0 0 09000064b8fb297a
EPA-HQ-OW-1998-0004-0032 EPA None EPA-HQ-OW-1998-0004 U. S. EPA. 1998. Office of Water and Office of Ground Water and Drinking Water. Washington, DC. Response to Comments on the July 31, 1998 National Primary Drinking Water Regulations: Analytical Methods for Certain Pesticides and Microbial Contaminants; Proposed Rule 63 FR 41133. June. 19 pp (See AM-XI, B.34) [W-97-05-II-C-1] Supporting & Related Material Comment Response 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:48Z   0 0 09000064b8fb2980
EPA-HQ-OW-1998-0004-0034 EPA None EPA-HQ-OW-1998-0004 Brenner 1993. Brenner, K.P., et al., New Medium for the Simultaneous Detection of Total Coliforms and Escherichia coli in Water, Applied Environment Microbiology, 59:3534-3544. With two attachments: Sign-off list for internal review of EMSL publications and ORD Clearance Form 11 pp. + 2 att.,11 pp) [W-97-05-I-B-3] Supporting & Related Material Publication - Copyrighted Materials 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:48Z   0 0 09000064b8fb2982
EPA-HQ-OW-1998-0004-0037 EPA None EPA-HQ-OW-1998-0004 USEPA. Method 549.2. Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid Extraction and High Performance Liquid Chromatography with Ultraviolet Detection. Office of Research and Development, Cincinnati, OH 45268. June 1997. 185 pp [EPA815-B-97-001] [W-97-05-I-B-12] Supporting & Related Material Publication - USEPA 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:49Z   0 0 09000064b8fb2985
EPA-HQ-OW-1998-0004-0030 EPA None EPA-HQ-OW-1998-0004 National Environmental Laboratory Accreditation Conference (NELAC). July 2, 1998. Program Policy and Structure. 21 pp [W-97-05-I-B-8] Supporting & Related Material Policy 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:48Z   0 0 09000064b8fb297e
EPA-HQ-OW-1998-0004-0029 EPA None EPA-HQ-OW-1998-0004 Application of the Base-promoted Esterification Procedure to the Chlorophenoxy Acid Herbicides of the U.S. EPA Method 515.3. David J. Munch, USEPA and Anne M. Pawlecki Vonderheide, ICF Kaiser. 19 p [W-97-05-I-C-4] Supporting & Related Material Report 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:47Z   0 0 09000064b8fb297d
EPA-HQ-OW-1998-0004-0020 EPA None EPA-HQ-OW-1998-0004 Millipore. November 21, 1997. From Molly Pickett, PhD, Applied Microbiology Manager, Millipore Corporation, to Paul S. Berger, PhD. Re: support of modified claim for Millipore’s Colisure product. Includes 2appendices: I - Summary of Data Demonstrating Comparability of Colisure at a 24-Hour Incubation Time to EPA-Defined Reference Methods; II - Summary of Negative Comments from -- [W-97-05-I-B-6] Supporting & Related Material Letter 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:46Z   0 0 09000064b8fa901b
EPA-HQ-OW-1998-0004-0036 EPA None EPA-HQ-OW-1998-0004 National Environmental Laboratory Accreditation Conference (nelac). State Certification Requirements. 41 pp [W-97-05-I-B-9] Supporting & Related Material Policy 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:49Z   0 0 09000064b8fb2984
EPA-HQ-OW-1998-0004-0019 EPA None EPA-HQ-OW-1998-0004 Federal Register: Environmental Protection Agency. Performance Based Measurement System. Notice of Intent. Vol. 62, No. 193. Monday, October 6, 1997. 52098-52100 [W-97-05-I-A2-3] Supporting & Related Material Publication - Previous/Related FR Notice 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:45Z   0 0 09000064b8fa901a
EPA-HQ-OW-1998-0004-0023 EPA None EPA-HQ-OW-1998-0004 ASTM 1996. Annual Book of ASTM Methods, 1996, Vol.11.02, American Society for Testing and Materials, 101 Barr Harbor Drive, West Conshohocken, PA 19428. (includes 1995 method D5317-93). 15 pp [W-97-05-I-B-2] Supporting & Related Material Publication - Other Governmental 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:46Z   0 0 09000064b8fa901e
EPA-HQ-OW-1998-0004-0024 EPA None EPA-HQ-OW-1998-0004 National Environmental Laboratory Accreditation Conference (NELAC). July 2, 1998. Proficiency Testing. 31 pp [W-97-05-I-B-7] Supporting & Related Material Data 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:46Z   0 0 09000064b8fa901f
EPA-HQ-OW-1998-0004-0028 EPA None EPA-HQ-OW-1998-0004 November/December 1996. Technical Manuscript Review Forms/Comments. Re: Method 515.3 - Determination of Chlorinated Acids in Drinking Water by Liquid-Liquid Extraction, Derivatization and Gas Chromatography with Electron Capture Detection. Derivatization and Gas Chromatography with Electron Capture Detection. 7 pp [W-97-05-I-C-3] Supporting & Related Material Form 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:47Z   0 0 09000064b8fb297c
EPA-HQ-OW-1998-0004-0021 EPA None EPA-HQ-OW-1998-0004 October 31, 1995. Report on Remediation of Technical Difficulties in EPA Method 549.1 - Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid Extraction and High Performance Liquid Chromatography with Ultraviolet Detection. Winslow J. Bashe. EPA Contract 68-C1-0022, Work Assignment 4-01; DynCorp/TAI. Cincinnati, OH. 29 pp [W-97-05-I-C-6] Supporting & Related Material Report 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:46Z   0 0 09000064b8fa901c
EPA-HQ-OW-1998-0004-0027 EPA None EPA-HQ-OW-1998-0004 Brenner 1996b. Brenner, K.P., et al., Interlaboratory evaluation of MI Agar and the U.S. Environmental Protection Agency - Approved Membrane Filter Method for the recovery of total coliforms and Escherichia coli from drinking water, accepted for publication in J. Microbiol. Methods 27:111-119. With two attachments: Sign-off list for internal review of EMSL publications and ORD Clear[W-97-05-I-B-5] Supporting & Related Material Publication - Copyrighted Materials 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:47Z   0 0 09000064b8fb297b
EPA-HQ-OW-1998-0004-0031 EPA None EPA-HQ-OW-1998-0004 USEPA. Method 549.2. Determination of Chlorinated Acids in Drinking Water by Liquid-Liquid Extraction, Derivatization and Gas Chromatography with Electron Capture Detection. Office of Research and Development, Cincinnati, OH 45268. July 1996. 57 pp [W-97-05-I-B-11] Supporting & Related Material Report 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:48Z   0 0 09000064b8fb297f
EPA-HQ-OW-1998-0004-0033 EPA None EPA-HQ-OW-1998-0004 June 11, 1997. Technical manuscript Review Forms. Re: Method 549.2 - Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid Extraction and High Performance Liquid Chromatography with Ultraviolet Detection. 2 pp [W-97-05-I-C-5] Supporting & Related Material Form 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:48Z   0 0 09000064b8fb2981
EPA-HQ-OW-1998-0004-0022 EPA None EPA-HQ-OW-1998-0004 APHA 1995. Nineteenth edition of Standard Methods for the Examination of Water and Wastewater, 1995, American Public Health Association, 1015 Fifteenth Street NW, Washington, D.C. 20005. (includes methods 6640B; 9060B). 13 pp [W-97-05-I-B-1] Supporting & Related Material Publication - Other Governmental 2025-12-29T05:00:00Z 2025 12     2025-12-29T21:46:46Z   0 0 09000064b8fa901d
EPA-HQ-OW-1998-0004-0002 EPA None EPA-HQ-OW-1998-0004 National Primary and Secondary Drinking Water Regulations: Analytical Methods for Chemical and Microbiological Contaminants and Revisions to Laboratory Certification Requirements [W-97-05-II-A1-1] Rule Final Rule 2025-09-11T04:00:00Z 2025 9 2025-09-11T04:00:00Z   2025-09-11T20:33:05Z 99-30901 0 0 09000064b8f6e972
EPA-HQ-OW-1998-0004-0003 EPA None EPA-HQ-OW-1998-0004 Legacy Index for Docket W-97-05 Supporting & Related Material Index 2025-09-11T04:00:00Z 2025 9     2025-09-11T20:36:05Z   0 0 09000064b8f6e974
EPA-HQ-OW-1998-0004-0001 EPA None EPA-HQ-OW-1998-0004 National Primary Drinking Water Regulations: Analytical Methods for Certain Pesticides and Microbial Contaminants [W-97-05-I-A-1] Proposed Rule   2025-09-11T04:00:00Z 2025 9 2025-09-11T04:00:00Z   2025-09-19T09:01:25Z 98-20281 0 0 09000064b8f6e973

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CREATE TABLE documents (
    id TEXT PRIMARY KEY,
    agency_id TEXT,
    docket_id TEXT REFERENCES dockets(id),
    title TEXT,
    document_type TEXT,
    subtype TEXT,
    posted_date TEXT,
    posted_year INTEGER,
    posted_month INTEGER,
    comment_start_date TEXT,
    comment_end_date TEXT,
    last_modified TEXT,
    fr_doc_num TEXT,
    open_for_comment INTEGER,
    withdrawn INTEGER,
    object_id TEXT
);
CREATE INDEX idx_docs_agency ON documents(agency_id);
CREATE INDEX idx_docs_docket ON documents(docket_id);
CREATE INDEX idx_docs_date ON documents(posted_date);
CREATE INDEX idx_docs_year ON documents(posted_year);
CREATE INDEX idx_docs_type ON documents(document_type);
CREATE INDEX idx_docs_frnum ON documents(fr_doc_num);
CREATE INDEX idx_docs_comment_end ON documents(comment_end_date) WHERE comment_end_date IS NOT NULL AND withdrawn = 0;
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