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

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180 rows where docket_id = "EPA-HQ-OW-2002-0008" 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posted_date ▲ posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id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-2002-0008-0402 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Baudin, I., and Laîné, J. 1998. Assessment and Optimization of Clarification Process for Cryptosporidium Removal. Proceedings of AWWA Water Quality and Technology Conference, 8pp [W-99-10-I-B-12] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:02Z   0 0 09000064b8e80c04
EPA-HQ-OW-2002-0008-0444 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1998e. Demographic Distribution of Sensitive Population Groups. Final Report. Prepared by SRA Technologies, Inc., Falls Church, VA. Work Assignment No. B-11/22 (SRA 557-05/14: February 24). 95 pp.[W-99-10-I-B-70] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:15Z   0 0 09000064b8e80c86
EPA-HQ-OW-2002-0008-0419 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Craun, G. and Calderon, R. 1996. Microbial risks in groundwater systems: Epidemiology of waterborne outbreaks. Under the Microscope: Examining Microbes in Groundwater. Proceedings of the Groundwater Foundation’s 12th Annual Fall Symposium, Boston. September. 13 PP [W-99-10-I-B-35] Supporting & Related Material Publication 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:08Z   0 0 09000064b8e80c6d
EPA-HQ-OW-2002-0008-0405 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Chappell, C., Okhuysen, P., Sterling, C., Wang, C., Jakubowski, W., and Dupont, H.1999. Infectivity of Cryptosporidium Parvum in Healthy Adults with Pre-existing Anti-C. Parvum Serum Immunoglobulin G. Am. J. Trop. Med. Hyg. (60:1:157-164) [W-99-10-I-B-20] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:03Z   0 0 09000064b8e80c07
EPA-HQ-OW-2002-0008-0430 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Frey, M., Hancock, C., and Logsdon, G. 1997. Cryptosporidium: Answers to Questions Commonly Asked by Drinking Water Professionals. AWWARF. Denver. 15 selected pages [W-99-10-I-B-95] Supporting & Related Material Publication 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:11Z   0 0 09000064b8e80c78
EPA-HQ-OW-2002-0008-0433 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Fulton, P. 1987 Upgrading Filtration to Meet Pending Standards. Public Works (August: 68-72) [W-99-10-I-B-97] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:12Z   0 0 09000064b8e80c7b
EPA-HQ-OW-2002-0008-0412 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Edzwald, J., and Kelley, M. 1998. Comtrol of Cryptosporidium: From Reservoirs to Clarifiers to Filters. Water Science and Technology (37:2:1-8 [W-99-10-I-B-45] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:06Z   0 0 09000064b8e80c66
EPA-HQ-OW-2002-0008-0424 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Cleasby, J., Williamson, M., and Baumann, E. 1963. Effect of Filtration Rate Changes on Filtered Water Quality. J. AWWA (55:7:869-880) [W-99-10-I-B-21] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:09Z   0 0 09000064b8e80c72
EPA-HQ-OW-2002-0008-0456 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Casemore, D. 1990. Epidemiological aspects of human cryptosporidiosis. Epidemiol. Infect. (104:1-28) [W-99-10-I-B-17] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:19Z   0 0 09000064b8e80c92
EPA-HQ-OW-2002-0008-0428 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Collins, M., Dwyer, P., Margolin, A., and Hogan, S. 1996. Assessment of MS2 Bacteriphage Virus Giardia Cyst and Cryptosporidium Oocyst Removal by Hollow Fiber Ultrafiltration (Polysulfone) Membranes. Proceedings AWWA Membrane Conference, Reno, NV 1996 [W-99-10-I-B-24] Supporting & Related Material Meeting Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:11Z   0 0 09000064b8e80c76
EPA-HQ-OW-2002-0008-0415 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Drozd, C., and Schartzbrod, J. 1997. “Removal of Cryptosporidium from River Water by Crossflow Microfiltration: A Pilot Scale Study,” Water Science and Technology. (35:11- 12:. 391-395) [W-99-10-I-B-42] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:06Z   0 0 09000064b8e80c69
EPA-HQ-OW-2002-0008-0426 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1999b. Drinking Water Criteria Document for Enteroviruses and Hepatitis A: An Addendum. Prepared for Health and Ecological Criteria Division by Nena Nwachuku, Office of Science and Technology. Final Draft 173pp. (EPA/822/R/98/043: January 15) [W-99-10-I-B-80] Supporting & Related Material Publication - USEPA 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:10Z   0 0 09000064b8e80c74
EPA-HQ-OW-2002-0008-0436 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1998d. Addendum to the Drinking Water Criteria Document for Giardia. Prepared for Office of Water, Office of Science and Technology, U.S. EPA, Washington, D.C., by ARCTECH, Inc., 1999 (Gunther F. Craun & Assoc.). 271 pp [W-99-10-I-B-69] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:13Z   0 0 09000064b8e80c7e
EPA-HQ-OW-2002-0008-0441 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Craun, Gunther. 1998. Memorandum from G. Craun to U. S. Environmental Protection Agency (M. Negro), dated 10/26/98. Waterborne outbreak data 1971-1996, community and noncommunity water systems. 2 pp [W-99-10-I-B-37] Supporting & Related Material Memorandum 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:15Z   0 0 09000064b8e80c83
EPA-HQ-OW-2002-0008-0409 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Atherholt, T., LeChevallier, M., Norton, W., an d Rosen, J. 1998. Effect of rainfall on Giardia and crypto. J.AWWA (90:9:66-80) [W-99-10-I-B-10] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:05Z   0 0 09000064b8e80c63
EPA-HQ-OW-2002-0008-0434 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Cordell, R., Thor, P., Addiss, D., Theurer, J., Lichterman, R., Ziliak, S., Juranek, D., and Davis, J. 1997. Impact of a massive waterborne cryptosporidiosis outbreak on child care facilities in metropolitan Milwaukee, Wisconsin. Pediatr Infect Dis J. (16:639-44) [W-99-10-I-B-31] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:12Z   0 0 09000064b8e80c7c
EPA-HQ-OW-2002-0008-0439 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Dugan, N., Fox, K., Miltner, R., Lytle, D., Willimas, D., Parrett, C., Feld, C., and Owens, J. 1999. “Control of Cryptosporidium Oocysts by Steady-State Conventional Treatment”. Proceedings of the U. S. Environmental Protection Agency 6th National Drinking Water and Wastewater Treatment Technology Transfer Workshop, Kansas City, MO (August 2-4, 1999). 19pp [W-99-10-I-B-43] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:14Z   0 0 09000064b8e80c81
EPA-HQ-OW-2002-0008-0446 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1999i. Stakeholder Meeting Summary: Long Term 1 Enhanced Surface Water Treatment Rule and Filter Backwash Recycle Rule. Denver, CO. July. 67pp [W-99-10-I-B-87] Supporting & Related Material Meeting Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:16Z   0 0 09000064b8e80c88
EPA-HQ-OW-2002-0008-0451 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1999a. Drinking Water Criteria Document for Viruses: An Addendum. Prepared for Health and Ecological Criteria Division, Office of Science and Technology by ISSI, Inc., Silver Spring, MD. Final Draft 265pp. (EPA/822/R/98/042: January 15) [W-99-10-I-B-79] Supporting & Related Material Publication - USEPA 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:18Z   0 0 09000064b8e80c8d
EPA-HQ-OW-2002-0008-0411 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 D’Antonio, R., Winn, R., Taylor, J., Gustafson, T., Current, W., Rhodes, M., Gary, G., and Zajac, R. 1985. A waterborne outbreak of cryptosporidiosis in normal hosts. Ann. Intern. Med. (103:888) [W-99-10-I-B-40] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:05Z   0 0 09000064b8e80c65
EPA-HQ-OW-2002-0008-0427 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Conley, W. 1965. Integration of the Clarification Process. Proceedings AWWA Annual Conference. 14 pp [W-99-10-I-B-25] Supporting & Related Material Publication 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:10Z   0 0 09000064b8e80c75
EPA-HQ-OW-2002-0008-0432 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Frost, F., Craun, G., Calderon, R., and Hubbs, S. 1997. So many oocysts, so few outbreaks. J. AWWA (89:12:8-10) [W-99-10-I-B-96] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:12Z   0 0 09000064b8e80c7a
EPA-HQ-OW-2002-0008-0453 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Cornwell, D. 1997. Treatment of Recycle and Backwash Streams. Water Residuals and Biosolids Management: WEF/AWWA, 11pp [W-99-10-I-B-34] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:18Z   0 0 09000064b8e80c8f
EPA-HQ-OW-2002-0008-0400 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Adham, S., Gagliado, P., Smith, D., Ross, D., Gramith, K., and Trussell, R. 1998. Monitoring of Reverse Osmosis for Virus Rejection. , Proceedings Water Quality and Technology Conference. 9pp [W-99-10-I-B-1] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:02Z   0 0 09000064b8e80c02
EPA-HQ-OW-2002-0008-0414 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Archer, J., Ball, J., Standridge, J., Greb, S., Rasmussen, P., Masterson, J., and Boushon, L. 1995. Cryptosporidium spp. oocysts and Giardia spp. cyst occurrence, concentrations, and distribution in Wisconsin waters. Wisconsin Department of Natural Resources (PUBL-WR420-95:August), 96pp [W-99-10-I-B-9] Supporting & Related Material Publication 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:06Z   0 0 09000064b8e80c68
EPA-HQ-OW-2002-0008-0404 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 CDC 1994. Addressing Emerging Infectious Disease Threats: A Prevention Strategy for the United States. Executive Summary. p.1-3 [W-99-10-I-B-19] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:03Z   0 0 09000064b8e80c06
EPA-HQ-OW-2002-0008-0418 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Current,W., Reese, L., Ernst, N., Bailey, J., Heyman, M., and Weistein, W. 1983. Human Cryptosporidiosis in Immunocompetent and Immunodeficient Persons: Studies of an Outbreak and Experimental Transmission. New England Journal of Medicine. (308:21:1252-1257) [W-99-10-I-B-38] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:08Z   0 0 09000064b8e80c6c
EPA-HQ-OW-2002-0008-0403 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Dupont, H., Chappell, C., Sterling, C., Okhuysen, P., Rose, J., and Jakubowski, W. 1995. The Infectivity of Cryptosporidium parvum in Healthy Volunteers. N. Engl. J. Med. (332:13:855-859) [W-99-10-I-B-44] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:03Z   0 0 09000064b8e80c05
EPA-HQ-OW-2002-0008-0413 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Cornwell, D. and Lee, R. 1994. Waste Stream Recycling: Its Effect on Water Quality. J. AWWA (86:11:50-63 [W-99-10-I-B-33] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:06Z   0 0 09000064b8e80c67
EPA-HQ-OW-2002-0008-0440 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1999h. Meeting Summary: Long Term 1 Enhanced Surface Water Treatment Rule (LT1ESWTR) and Filter Backwash Recycle Rule (FBR). Dallas, TX. March. 11pp [W-99-10-I-B-86] Supporting & Related Material Meeting Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:14Z   0 0 09000064b8e80c82
EPA-HQ-OW-2002-0008-0445 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA.1980b. Package Water Treatment Plants Volume 2- A Cost Evaluation. EPA-600/2- 80-008b. 78 pp. Also available at NTIS (PB81-102717) [W-99-10-I-B-50] Supporting & Related Material Publication - USEPA 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:16Z   0 0 09000064b8e80c87
EPA-HQ-OW-2002-0008-0407 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 American Society of Civil Engineers (ASCE) and American Water Works Association (AWWA). 1998. Chapter 8, High-Rate Granular Media Filtration Water Treatment Plant Design. McGraw Hill, New York, 23pp [W-99-10-I-B-3] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:04Z   0 0 09000064b8e80c09
EPA-HQ-OW-2002-0008-0416 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Environmental Engineering & Technology, Inc. 1999. Background Papers on Potential Recycle Streams in Drinking Water Treatment Plants. AWWA. 73pp [W-99-10-I-B-46] Supporting & Related Material Technical Support Document 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:07Z   0 0 09000064b8e80c6a
EPA-HQ-OW-2002-0008-0406 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Campbell, S., Lykins, B., Goodrich, J., Post, D., and Lay, T. 1995. "Package Plants for Small Systems: A Field Study," J. AWWA. (82:11:39-47) [W-99-10-I-B-16] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:04Z   0 0 09000064b8e80c08
EPA-HQ-OW-2002-0008-0431 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1997a. Small System Compliance Technology List for the Surface Water Treatment Rule, 48pp. Document number: EPA 815-R-97-002. Also available at the Information Resource Center and NTIS (PB98-104045) [W-99-10-I-B-64] Supporting & Related Material Publication - USEPA 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:11Z   0 0 09000064b8e80c79
EPA-HQ-OW-2002-0008-0437 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 2000c. Occurrence Assessment for the Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Recycle Rule. 280 pp [W-99-10-I-B-90] Supporting & Related Material Publication - USEPA 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:13Z   0 0 09000064b8e80c7f
EPA-HQ-OW-2002-0008-0449 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Gerba, C.P., J.B. Rose and C.N. Haas (1996). Sensitive populations: who is at the greatest risk? International Journal of Food Microbiology: 30(1-2), 10pp [W-99-10-I-B-99] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:17Z   0 0 09000064b8e80c8b
EPA-HQ-OW-2002-0008-0401 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Alvarez, M., Bellamy, B., Rose, J., Gibson, C., and Mitskevich, G. 1999. Cryptosporidium Removal Using a Pulsating Blanket Clarifier, Microsand Ballated Clarifier, and Dissolved Air Floatation in Treatment of a Highly Colored Florida Surface Water: A Pilot Study. Proceedings Water Quality and Technology Conference, 7pp [W-99-10-I-B-2] Supporting & Related Material Study 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:02Z   0 0 09000064b8e80c03
EPA-HQ-OW-2002-0008-0452 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1980a. Package Water Treatment Plants Volume 1 - Performance Evaluation. EPA600/2-80-008a. 57 pp. Also available at NTIS (PB81-110934) [W-99-10-I-B-49] Supporting & Related Material Publication - USEPA 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:18Z   0 0 09000064b8e80c8e
EPA-HQ-OW-2002-0008-0447 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Consonery P., McGowan, M., and. Diehl, R. 1992. Preliminary Results of Cryptosporidium Analysis at Filtered and Unfiltered Public Water Supplies, Study Period May 1990 through May 1992. Pennsylvania Department of Environmental Resources. 11 pp [W-99-10-I-B-27] Supporting & Related Material Study 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:16Z   0 0 09000064b8e80c89
EPA-HQ-OW-2002-0008-0429 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1999d. Guidance Manual for Compliance with the Interim Enhanced Surface Water Treatment Rule: Turbidity Provisions. EPA Document Number: EPA 815-R-99-010. 214 pp. Also available at the Water Resource Center and NTIS (PB99-111429). Cover page and table of contents are on the WWW at www.epa.gov/safewater/mdbp/pdf/turbidity/cover_tu.pdf [W-99-10-I-B-82] Supporting & Related Material Publication - USEPA 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:11Z   0 0 09000064b8e80c77
EPA-HQ-OW-2002-0008-0450 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 American Water Works Association. 1998. Spent Filter Backwash Water Survey. 73 pp [W-99-10-I-B-6] Supporting & Related Material Data 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:17Z   0 0 09000064b8e80c8c
EPA-HQ-OW-2002-0008-0410 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Craun, G., Hubbs, S., Frost, F., Calderon, R., Via, S. 1998. Waterborne outbreaks of cryptosporidiosis. J. AWWA (90:9:81-91) [W-99-10-I-B-36] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:05Z   0 0 09000064b8e80c64
EPA-HQ-OW-2002-0008-0399 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1999c. Small System Turbidity Data. 4,007 pp [W-99-10-I-B-81-WASHINGTON-] Supporting & Related Material Data 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:01Z   0 0 09000064b8e818b3
EPA-HQ-OW-2002-0008-0417 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Cleasby, J. 1990. Filtration, Chapter 8, IN: (F. Pontius, ed) Water Quality and Treatment. AWWA, Denver. 57pp [W-99-10-I-B-22] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:07Z   0 0 09000064b8e80c6b
EPA-HQ-OW-2002-0008-0420 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Consonery, P., Greenfield, D., and Lee, J. 1997. Evaluating and optimizing surface water treatment plants: How good is good enough? Pennsylvania Department of Environmental Protection, Harrisburg, PA [W-99-10-I-B-28] Supporting & Related Material Publication 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:08Z   0 0 09000064b8e80c6e
EPA-HQ-OW-2002-0008-0422 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1999e. Uncovered Finished Reservoir Guidance Manual. EPA Document Number: EPA 815-R-99-011. 75 pp. Also available at NTIS (PB99-111478) [W-99-10-I-B-83] Supporting & Related Material Publication - USEPA 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:09Z   0 0 09000064b8e80c70
EPA-HQ-OW-2002-0008-0448 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Di Giovanni, G., Hashemi, F., Shaw, N., Abrams, F., LeChevallier, M., and Abbaszadegan, M. 1999. Detection of Infectious Cryptosporidium parvum Oocysts in Surface and Filter Backwash Water Samples by Immunomagnetic Separation and Integrated Cell Culture-PCR. AEM. (3427-3432: Aug. 1999) [W-99-10-I-B-41] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:17Z   0 0 09000064b8e80c8a
EPA-HQ-OW-2002-0008-0442 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1998l. Final Report of the SBREFA Small Business Advocacy Review Panel on EPA’s Planned Proposed Rule: Filter Backwash Recycling, 76pp [W-99-10-I-B-77] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:15Z   0 0 09000064b8e80c84
EPA-HQ-OW-2002-0008-0438 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1980a. Package Water Treatment Plants Volume 1 - Performance Evaluation. EPA600/2-80-008a. 57 pp. Also available at NTIS (PB81-110934) [W-99-10-I-B-89] Supporting & Related Material Publication - USEPA 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:14Z   0 0 09000064b8e80c80
EPA-HQ-OW-2002-0008-0408 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Bellamy, W., Cleasby, J., Logsdon,G., and Allen, M. 1993. Assessing Treatment Plant Performance. J. AWWA (85:12:34-38) [W-99-10-I-B-13] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:04Z   0 0 09000064b8e80c0a
EPA-HQ-OW-2002-0008-0423 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Fayer, R. and Ungar, B. 1986. Cryptosporidium spp. and cryptosporidiosis. Microbial Review. (50:4:458-483) [W-99-10-I-B-92] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:09Z   0 0 09000064b8e80c71
EPA-HQ-OW-2002-0008-0435 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 CDC 1998. CDC Morbidity and Mortality Weekly Report. Surveillance for WaterborneDisease Outbreaks - United States, 1995-1996. December 11, 1998. Vol: 47. No. SS-5. US Department of Health and Human Services. CDC, Atlanta, GA. 40 pp [W-99-10-I-B-18] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:13Z   0 0 09000064b8e80c7d
EPA-HQ-OW-2002-0008-0455 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1998k. Final Report of the SBREFA Small Business Advocacy Review Panel on EPA’s Planned Proposed Rule: Long Term 1 Enhanced Surface Water Treatment. 73pp [W-99-10-I-B-76] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:19Z   0 0 09000064b8e80c91
EPA-HQ-OW-2002-0008-0425 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Colbourne, J. 1989. Thames Water Utilities Experience with Cryptosporidium. Proceedings AWWA Water Quality and Technology Conference. 3pp [W-99-10-I-B-23] Supporting & Related Material Report 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:10Z   0 0 09000064b8e80c73
EPA-HQ-OW-2002-0008-0454 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 American Water Works Association Committee Report. 1983. Deterioration of water quality in large distribution reservoirs (open reservoirs). AWWA Committee on Control of Water Quality in Transmission and Distribution Systems. J. AWWA. June 1983, 313-318 [W-99-10-I-B-4] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:18Z   0 0 09000064b8e80c90
EPA-HQ-OW-2002-0008-0421 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Framm, S. and Soave, R. 1997. Agents of diarrhea. Med. Clin. N. Amer. (81:2:427-447) [W-99-10-I-B-94] Supporting & Related Material Publication - Copyrighted Materials 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:08Z   0 0 09000064b8e80c6f
EPA-HQ-OW-2002-0008-0443 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 2000a. Estimated Per Capita Water Ingestion in the United States. Office of Science and Technology. February, 2000. 300 pp [W-99-10-I-B-88] Supporting & Related Material Publication 2026-03-23T04:00:00Z 2026 3     2026-03-23T19:32:15Z   0 0 09000064b8e80c85
EPA-HQ-OW-2002-0008-0398 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Hall, T., Pressdee, J., Gregory, R., and Murray, K. 1995. Cryptosporidium RemovalDuring Water Treatment Using Dissolved Air Flotation. Water Science and Technology (31:3-4:125-135).[W-99-10-I-B-108] Supporting & Related Material Publication - Copyrighted Materials 2026-03-09T04:00:00Z 2026 3     2026-03-09T23:04:42Z   0 0 09000064b8e7f0f5
EPA-HQ-OW-2002-0008-0393 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Great Lakes-Upper Mississippi River Board of State and Provincial Public Health and Environmental Managers. Recommended Standards for Water Works. 1997. Albany: Health Education Services. 5 selected pages [W-99-10-I-B-104] Supporting & Related Material Publication - Copyrighted Materials 2026-03-09T04:00:00Z 2026 3     2026-03-09T23:04:41Z   0 0 09000064b8e7f059
EPA-HQ-OW-2002-0008-0394 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Glasgow, G. and Wheatley, A. 1998. The Effect of Surges on the Performance of Rapid Gravity Filtration. Wat. Sci. Tech. (37:2:75-81).[W-99-10-I-B-100] Supporting & Related Material Publication - Copyrighted Materials 2026-03-09T04:00:00Z 2026 3     2026-03-09T23:04:41Z   0 0 09000064b8e7f05a
EPA-HQ-OW-2002-0008-0396 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Goodrich, J., Sylvana, Y., and Lykins, B. 1995. Cost and Performance Evaluations of Alternative Filtration Technologies for Small Communities. Proceedings AWWA Annual Conference. 12 pp [W-99-10-I-B-101] Supporting & Related Material Report 2026-03-09T04:00:00Z 2026 3     2026-03-09T23:04:41Z   0 0 09000064b8e7f05c
EPA-HQ-OW-2002-0008-0397 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Grubb, T. and Arnold, S. 1997. Filter Backwash Reuse: Treatment by Dissolved Air Floatation. Proceedings AWWA Annual Conference, 15pp [W-99-10-I-B-105] Supporting & Related Material Report 2026-03-09T04:00:00Z 2026 3     2026-03-09T23:04:42Z   0 0 09000064b8e7f0f4
EPA-HQ-OW-2002-0008-0389 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 2000e. Regulatory Impact Analysis for the Proposed Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule. Appendices. EPA 815-R-00-005.355 pp [W-99-10-I-B-91] Supporting & Related Material Publication - USEPA 2026-03-09T04:00:00Z 2026 3     2026-03-09T23:04:40Z   0 0 09000064b8e81817
EPA-HQ-OW-2002-0008-0391 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Current, W., and Garcia, L. 1991. Cryptosporidiosis. Clin. Micro. Rev. (4:3:325-358) [W-99-10-I-B-39] Supporting & Related Material Publication - Copyrighted Materials 2026-03-09T04:00:00Z 2026 3     2026-03-09T23:04:40Z   0 0 09000064b8e80c93
EPA-HQ-OW-2002-0008-0392 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1987. Workshop on Emerging Technologies for Drinking Water Treatment: Filtration. EPA Document Number: 06542-001-041. 334 pp.[W-99-10-I-B-52] Supporting & Related Material Publication - USEPA 2026-03-09T04:00:00Z 2026 3     2026-03-09T23:04:41Z   0 0 09000064b8e80c94
EPA-HQ-OW-2002-0008-0395 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Graczyk, T., Cranfield, M., Fayer, R., and Anderson, M. 1996. Viability and Infectivity of Cryptosporidium parvum Oocysts are Retained upon Intestinal Passage through a Refractory Avian Host. Applied and Environmental Microbiology (62:9: 3234-3237) [W-99-10-I-B-102] Supporting & Related Material Publication - Copyrighted Materials 2026-03-09T04:00:00Z 2026 3     2026-03-09T23:04:41Z   0 0 09000064b8e7f05b
EPA-HQ-OW-2002-0008-0390 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA. 1999c. Small System Turbidity Data. 4,007 pp [W-99-10-I-B-81-TEXAS] Supporting & Related Material Report 2026-03-09T04:00:00Z 2026 3     2026-03-09T23:04:40Z   0 0 09000064b8e81884
EPA-HQ-OW-2002-0008-0356 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 LeChevallier, M., Norton, W., Abbaszadegan, M., Atherholt, T., and Rosen, J. 1997a. Variations in Giardia and Cryptosporidium in Source Water: Statistical Approaches to Analyzing ICR Data. Proceedings 1997 AWWA Water Quality and Technology Conference. 20 pp. [W-99-10-I-B-129] Supporting & Related Material Publication 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:30Z   0 0 09000064b8e82501
EPA-HQ-OW-2002-0008-0363 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA Receipt of Delivery from USEPA to the Honorable Richard B. Cheney, President of the Senate, The Capitol, S-212, Washington, DC 20510 [W-99-10-II-E-1-1] Supporting & Related Material Technical Support Document 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:31Z   0 0 09000064b8e82549
EPA-HQ-OW-2002-0008-0372 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Fax from Daniel G. Colley, Ph.D. Director, DPD to Working Group on Waterborne Cryptosporidiosis Agenda: Tuesday, October 10, 2000 meeting, 3:30 p.m. Eastern standard time 1. Notes from June 20 teleconference 2. Research Updates a. Outbreaks: 3. News Items: updates 4. New Agenda Items Proposed: [W-99-10-II-B-8] Supporting & Related Material   2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:33Z   0 0 09000064b8e82552
EPA-HQ-OW-2002-0008-0376 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Coping with Filter Backwash Recycle in Water Treatment Tony Myers, P.E. Water Technology Leader CH2M HILL Milwaukee, WI [W-99-10-II-B-85] Supporting & Related Material Publication 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:34Z   0 0 09000064b8e82556
EPA-HQ-OW-2002-0008-0381 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Information Collection Request for the Long Term 1 Enhanced Surface Water Treatment Rule [W-99-10-III-C-2] Supporting & Related Material Publication - USEPA 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:35Z   0 0 09000064b8e8255b
EPA-HQ-OW-2002-0008-0347 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Guerrant, R. 1997. Cryptosporidiosis: An Emerging, Highly Infectious Threat. EID (3:1: 9pp.) (Found at “http://www.cdc.gov/ncidod/EID/vol3no1/guerrant.html.”) 7 pp [W-99-10-I-B-106] Supporting & Related Material Publication 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:28Z   0 0 09000064b8e7f0f8
EPA-HQ-OW-2002-0008-0367 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 A Massive Outbreak in Milwaukee of Cryptosporidium Infection Transmitted Through The Public Water Supply [W-99-10-II-B-82] Supporting & Related Material Publication - Copyrighted Materials 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:32Z   0 0 09000064b8e8254d
EPA-HQ-OW-2002-0008-0374 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Memo Public Jeffery Robichaud to FBRR Docket re: Comment and Response Document [W-99-10-II-B-58] Supporting & Related Material Memorandum 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:33Z   0 0 09000064b8e82554
EPA-HQ-OW-2002-0008-0373 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Memorandum to Docket from Cayce Parrish re: EO 12866 Docket Requirements [W-99-10-III-C-1] Supporting & Related Material Memorandum 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:33Z   0 0 09000064b8e82553
EPA-HQ-OW-2002-0008-0379 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Regulatory Flexibility Screening Analysis for the Long Term 1 Enhanced Surface Water Treatment Rule [W-99-10-III-B-71] Supporting & Related Material Report 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:34Z   0 0 09000064b8e82559
EPA-HQ-OW-2002-0008-0368 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Long Term 1 Enhanced Surface Water Treatment and Filter Backlwash Rule [W-99-10-I-D-3] Supporting & Related Material Publication - Previous/Related FR Notice 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:32Z   0 0 09000064b8e8254e
EPA-HQ-OW-2002-0008-0357 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Karanis, P., Schoenen, D. and Seitz, H. 1996. Giardia and Cryptosporidium in backwash water from rapid sand filters used for drinking water production. Zbl. Bakt. (284:107- 114) [W-99-10-I-B-119] Supporting & Related Material Publication - Copyrighted Materials 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:30Z   0 0 09000064b8e82502
EPA-HQ-OW-2002-0008-0380 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Federal Register of Monday April 10, 2000 (65 FR 19046) (FRL- 6570-5) [W-99-10-II-B-50] Supporting & Related Material Publication - Previous/Related FR Notice 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:35Z   0 0 09000064b8e8255a
EPA-HQ-OW-2002-0008-0384 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Meeting Summary Government Dialogue on USEPA Upcoming Drinking Water Regulations [W-99-10-II-B-52] Supporting & Related Material Report 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:35Z   0 0 09000064b8e8255e
EPA-HQ-OW-2002-0008-0349 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Kelley, M., Warrier, P., Brokaw, J., Barrett, K. and Komisar, S. 1995. A Study of Two U.S. Army Installation Drinking Water Sources and Treatment Systems for the Removal of Giardia and Cryptosporidium. Proceedings AWWA Annual Conference. 18 pp [W-99-10-I-B-121] Supporting & Related Material Study 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:29Z   0 0 09000064b8e7f0fa
EPA-HQ-OW-2002-0008-0366 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Treatment Options for Giardia, Cryptosporidium, and Other Contaminants in Recycled Backwash Water [W-99-10-II-B-16] Supporting & Related Material Report 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:32Z   0 0 09000064b8e8254c
EPA-HQ-OW-2002-0008-0375 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Change in LTIESWTR Burden from October 5, 2000 ICR [W-99-10-III-C-3] Supporting & Related Material Report 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:34Z   0 0 09000064b8e82555
EPA-HQ-OW-2002-0008-0385 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Government Dialogue on U.S. EPA's Upcoming Drinking Water Regulations, May 30, 2000 [W-99-10-II-B-56] Supporting & Related Material Meeting Materials 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:36Z   0 0 09000064b8e8255f
EPA-HQ-OW-2002-0008-0346 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Hansen, J., and Ongerth, J. 1991. Effects of time and watershed characteristics on the concentration of Cryptosporidium oocysts in river water. Appl. Environ. Microbial. (57:10:2790-2795).[W-99-10-I-B-112] Supporting & Related Material Publication - Copyrighted Materials 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:28Z   0 0 09000064b8e7f0f7
EPA-HQ-OW-2002-0008-0365 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 EPA National Drinking Water Advisory Council EPA 810-S-00-001 [W-99-10-II-B-86] Supporting & Related Material Publication - USEPA 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:32Z   0 0 09000064b8e8254b
EPA-HQ-OW-2002-0008-0370 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Long Term 1 Enhanced Surface Water Treatment and Filter Backlwash Rule [W-99-10-I-D-2] Supporting & Related Material Publication 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:33Z   0 0 09000064b8e82550
EPA-HQ-OW-2002-0008-0377 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Information Collection Request for the Filter Backwash Recycling Rule [W-99-10-II-C-1] Supporting & Related Material Publication - USEPA 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:34Z   0 0 09000064b8e82557
EPA-HQ-OW-2002-0008-0345 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Hancock, C., Rose, J., and Callahan, M. 1998. Crypto and Giardia in U.S. groundwater. J. AWWA (90:3:58-61) [W-99-10-I-B-110] Supporting & Related Material Publication - Copyrighted Materials 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:28Z   0 0 09000064b8e7f0f6
EPA-HQ-OW-2002-0008-0352 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Juranek, D. 1995. Cryptosporidiosis: Sources of Infection and Guidelines for Prevention. Clinical Infectious Diseases: 21 (1). See also www.cdc.gov/ncidod/dpd/sources.html [W-99-10-I-B-118] Supporting & Related Material Publication 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:29Z   0 0 09000064b8e7f0fd
EPA-HQ-OW-2002-0008-0355 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Randtke, S. 1999. Letter to Sarah Clark, City of Austin Water and Wastewater Utility, dated June 28, 1999. Provided as informal comment to EPA by AWWA [W-99-10-I-B-160] Supporting & Related Material Letter 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:30Z   0 0 09000064b8e82500
EPA-HQ-OW-2002-0008-0358 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Hall, T., Pressdee, J., and Carrington, N. 1994. Removal of Cryptosporidium Oocysts by Water Treatment Process. Foundation for Water Research Limited. United Kingdom. 60 pp [W-99-10-I-B-107] Supporting & Related Material Publication - Copyrighted Materials 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:30Z   0 0 09000064b8e82503
EPA-HQ-OW-2002-0008-0360 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Dr. Mort Lippnuarm, Interim Chair Science Advisory Board and [Dr. Richard J. Bull, Chair Drinking Water Committee Science Advisory Board , Unites States Environmental Protection Agency [W-99-10-II-B-62] Supporting & Related Material Letter 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:31Z   0 0 09000064b8e82546
EPA-HQ-OW-2002-0008-0350 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Jakubowski, W. and Ericksen, T.H. Methods for Detection of Giardia Cysts in Water Supplies. In: W. Jakubowski and J.C. hoff (eds.) Waterborne Transmission of Giardiasis. Epa-600/9-79-001, USEPA, Cincinnati, OH, pp 193-210 [W-99-10-I-B-117] Supporting & Related Material Publication 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:29Z   0 0 09000064b8e7f0fb
EPA-HQ-OW-2002-0008-0382 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Proposed Long Term 1 Enhanced Surface Water Treatment & Filter Backwash Rule (LTI FBR) Issues for the National Drinking Water Advisory Council Draft - April 20, 2000 [W-99-10-II-B-55] Supporting & Related Material Report 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:35Z   0 0 09000064b8e8255c
EPA-HQ-OW-2002-0008-0388 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Public Comment And Response Summary for the Long Term 1 Enhanced Surface Water Treatment Rule EPA Document No: 815-R-01026 [W-99-10-III-B-80] Supporting & Related Material Publication - USEPA 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:36Z   0 0 09000064b8e82562
EPA-HQ-OW-2002-0008-0369 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Regulatory Flexibility Screening Analysis for the Filter Backwash Recycling Rule [W-99-10-II-B-54] Supporting & Related Material Analysis 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:32Z   0 0 09000064b8e8254f
EPA-HQ-OW-2002-0008-0378 EPA National Primary Drinking Water Regulations: Long Term 1 Enhanced Surface Water Treatment and Filter Backwash Rule EPA-HQ-OW-2002-0008 Form for Compliance with E.O. 12866 Docket Requirements [W-99-10-I-D-1] Supporting & Related Material Order 2026-02-23T05:00:00Z 2026 2     2026-02-23T21:39:34Z   0 0 09000064b8e82558

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