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https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=100002CU.TXT
------- EXECUTIVE SUMMARY The revised Technical Support Document for Water Quality-based Toxics Control (TSD) provides States and Regions with guidance on procedures for use in the water quality-based control of toxic pollutants.
https://yosemite.epa.gov/oa/eab_web_docket.nsf/Attachments%20By%20ParentFilingId/574172380810616A85257C1600487133/$FILE/Ex%2012%20(1991%20TSD)%20(AR%20I3).pdf
with the development of water quality-based permit limits to control toxic pollutants and toxicity. The mandatory elements are described in the revisions to the National Pollutant Discharge Elimination System (NPDES) Surface Water Toxics Control Pro- gram regulations (54 FR 23868, June 2, 1989).
https://yosemite.epa.gov/OA/EAB_WEB_Docket.nsf/Filings%20By%20Appeal%20Number/8A5F98CC9E48C93A85257B0C006FF9F3/$File/Opposition%20to%20Petition%20for%20Review%20--%20Ex.%2051...23.17.pdf
United States Office of Water Environmental Protection Washington, DC Agency TECHNICAL SUPPORT DOCUMENT FOR WATER QUALITY-BASED TOXlCS CONTROL This copy represents the second printing of this document. Changes made to this document reflect corrections of typographical errors and the Wowing update
http://udspace.udel.edu/handle/19716/1570
Description: The purpose of this revised Technical Support Document (TSD) for Water Quality-based Toxics Control is to provide the most current procedural recommendations and guidance for identifying, analyzing, and controlling adverse water quality impacts caused by toxic discharges to the surface waters of the United States. The original TSD was published in September 1985.
https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=20004FEM.TXT
xvEPA United States Environmental Protection Agency Office Of Water (EN-336) -5- 91-100 Technical Support Document For Water Quality-based Toxics Control RESPONSIVENESS SUMMARY Printed on Recycled Paper
https://files.nc.gov/ncdeq/Environmental%20Management%20Commission/Water_Quality_Committee_Meetings/2017/January/Attachments/Modernizing-One-in-Three-April-1-2016-JM.pdf
The purpose of this Technical Support Document (TSD) is to provide guidance on ^the task of controlling the discharge of toxic pollutants to the nation's waters” and “each step in the water quality-based toxics control process from screening to compliance monitoring” (EPA 1985).
https://core.ac.uk/display/55660369
Abstract. The purpose of this revised Technical Support Document (TSD) for Water Quality-based Toxics Control is to provide the most current procedural recommendations and guidance for identifying, analyzing, and controlling adverse water quality impacts caused by toxic discharges to the surface waters of the United States.
http://static.azdeq.gov/legal/subs_techdoc_wq_toxics_control.pdf
The revised Technical Support Document for Water Quality-based Taxies Control (TSD) provides States and Regions with guidance on procedures for use in the water quality-based control of toxic pollutants. It presents recommendations to regulatory authorities faced with the task of controlling the point source discharge of
https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=100002CU.TXT
----- INTRODUCTION Purpose The purpose of this revised Technical Support Document (TSD) for , Water Quality-based Toxics Control is. to provide the most current procedural recommendations and guidance for identifying, ana- lyzing, and controlling adverse water quality impacts caused by tbxic discharges to the surface waters of the United States.
https://yosemite.epa.gov/oa/eab_web_docket.nsf/Attachments%20By%20ParentFilingId/574172380810616A85257C1600487133/$FILE/Ex%2012%20(1991%20TSD)%20(AR%20I3).pdf
with the development of water quality-based permit limits to control toxic pollutants and toxicity. The mandatory elements are described in the revisions to the National Pollutant Discharge Elimination System (NPDES) Surface Water Toxics Control Pro- gram regulations (54 FR 23868, June 2, 1989).
https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=2000LMAE.TXT
----- Introduction Purpose The purpose of this Technical Support Document (TSD) for Water Quality-Based Toxics Control is to provide procedural recommendations for identifying, analyzing, and controlling adverse water quality impacts caused by the discharge of …
https://yosemite.epa.gov/OA/EAB_WEB_Docket.nsf/Filings%20By%20Appeal%20Number/8A5F98CC9E48C93A85257B0C006FF9F3/$File/Opposition%20to%20Petition%20for%20Review%20--%20Ex.%2051...23.17.pdf
United States Office of Water Environmental Protection Washington, DC Agency TECHNICAL SUPPORT DOCUMENT FOR WATER QUALITY-BASED TOXlCS CONTROL This copy represents the second printing of this document. Changes made to this document reflect corrections of typographical errors and the Wowing update
http://static.azdeq.gov/legal/subs_techdoc_wq_toxics_control.pdf
The purpose of this revised Technical Support Document (TSD) for Water Quality-based Toxics Control is to provide the most current procedural recommendations and guidance for identifying, ana lyzing, and controlling adverse water quality impacts caused by toxic discharges to …
http://udspace.udel.edu/handle/19716/1570
The purpose of this revised Technical Support Document (TSD) for Water Quality-based Toxics Control is to provide the most current procedural recommendations and guidance for identifying, analyzing, and controlling adverse water quality impacts caused by toxic discharges to the surface waters of the United States. The original TSD was published in September 1985.
https://www3.epa.gov/npdes/pubs/chapt_06.pdf
Water Quality-Based Effluent Limits ... to the Technical Support Document for Water Quality-Based Toxics Control(TSD),13 or equivalent State or regional procedures. 13USEPA (1991). Technical Support Document for Water Quality-Based Toxics Control. EPA-505/2-90-001. Office of …
https://semspub.epa.gov/work/01/505081.pdf
The document listed below has been identified as a document for the New Bedford Harbor Superfund Site Administrative Record for the 1998 Upper and Lower Harbor ROD. This document is located in the Region 1 Superfund Compendium and can be made available for review by contacting the OSRR Records and Information Center at (617) 918 - 1440 or by e-
https://semspub.epa.gov/work/01/505081.pdf
USEPA, 1991. Technical Support Document for Water Quality-Based Toxics Control. Date: 1991 ; Compendium Number: C840 ; Notes: U.S. Environmental Protection Agency, Washington, DC, EPA/505/2-90-001 (NTIS PB91-127415), 1991. This document also appeared in the June 5, 1992 Federal Register (Vo. 57, No. 109, p. 24401) to correct typographical ...
https://cfpub.epa.gov/si/si_public_record_Report.cfm?dirEntryID=23818
Resource Purpose:The U.S. EPA Technical Support Document (TSD) for water quality based toxics control (EPA, 1991) specifically recommends development of effluent limits based on the frequency and duration of violations of water quality criteria. The latest version of DYNTOX is PC-compatible and takes full advantage of the PC's interactive capabilities.
https://files.nc.gov/ncdeq/Environmental%20Management%20Commission/Water_Quality_Committee_Meetings/2017/January/Attachments/Modernizing-One-in-Three-April-1-2016-JM.pdf
2 1. EPA. 1985 Technical Support Document for Water Quality-based Toxics Control. EPA-440/4-85-032, September 1985 The purpose of this Technical Support Document (TSD) is to provide guidance on ^the task of controlling the discharge of toxic pollutants to the nation's waters” and “each step in the water quality-based toxics control process from screening to compliance monitoring” …
https://www.colorado.gov/pacific/sites/default/files/WQ_CW-1.pdf
Appendix E-1 of the Technical Support Document for Water Quality-based Toxics Control (USEPA 1991), hereafter referred to as the “TSD” method. The TSD method uses a percentile as a desired confidence level and as a selected upper bound of the effluent distribution.
https://www.nacwa.org/docs/default-source/default-document-library/final---review-of-usepa-nutrient-permitting-methods(2).pdf?sfvrsn=0
of the Technical Support Document for Water Quality-Based Toxics Control (TSD). There has been a great deal of variability in the degree to which regulatory agencies have modified these methods to account for the differences between nutrients and toxics, and in …
https://www.waterboards.ca.gov/water_issues/programs/npdes/ref.html
Technical Support Document for Water Quality Based Toxins Control (TSD) (March 1991, EPA/505/2-90-001) Understanding and Accounting for Method Variability in Whole Effluent Toxicity Applications Under the National Pollutant Discharge Elimination System Program (June 2000, EPA 833-R-00-003) U.S. Court of Appeals WET Decision
https://www.epa.gov/sites/production/files/2019-04/documents/04042019_cover_letter_approval_of_deq_human_health_criteria_signed.pdf
Technical Support Document EPA Approval of the State of Idaho’s New/Revised Human ... (TSD) for water quality-based toxics control. • 210.05 Development of Toxic Substance Criteria 210.05.a.iii. – Updated the reference to EPA’s ECOTOX database. 210.05.b.i. – Added a focus on best available science for toxicity thresholds and ...
https://www.state.nj.us/drbc/library/documents/Implementation_phase1TMDL.pdf
recommended by the U.S. EPA in the Technical Support Document for Water Quality-Based Toxics Control (TSD) (U.S. EPA, 1991). Current regulations of the Delaware River Basin Commission relating to the discharge of toxic pollutants are contained in Section 3.10.4 and Section 4.30 of the Water Quality Regulations (DRBC, 1992b). These
https://www.epa.ohio.gov/Portals/35/permits/ecoli-implementation.pdf
procedures described in U.S. EPA’s document, “Technical Support Document for Water Quality-Based Toxics Control” (the TSD approach). As Ohio EPA did in 2010 when E. coli limits were first used in Ohio NPDES permits, monthly average limits are set equal to …
https://dep.wv.gov/WWE/permit/individual/Documents/370_Mzguide.pdf
the "Reasonable Potential" procedures of Chapter 3.3 of EPA’s Technical Support Document For Water Quality-based Toxics Control (TSD). Where adequate effluent data exists, the coefficient of variation (CV) for the pollutant in the effluent should be calculated. The coefficient of variation is defined as the ratio of the standard deviation to ...
https://core.ac.uk/display/55660369
Abstract. The purpose of this revised Technical Support Document (TSD) for Water Quality-based Toxics Control is to provide the most current procedural recommendations and guidance for identifying, analyzing, and controlling adverse water quality impacts caused by toxic discharges to the surface waters of the United States.
http://static.azdeq.gov/pn/fs_2018_azpdes_heritageproj.pdf
RP are outlined in the Technical Support Document for Water Quality-based Toxics Control (TSD) (EPA/505/2-90-001). In most cases, the highest reported value for a parameter is multiplied by a factor (determined from the variability of the data and number of samples) to …
https://dnr.mo.gov/env/wpp/permits/manual/docs/5_2_1.pdf
(RPA) on numeric WET test data according to the EPA’s Technical Support Document for Water Quality Based Toxics Control (TSD). However, the TSD recommends a minimum data set of 10 points for conducting site-specific RPAs. In many cases the permit writer will not have adequate
https://dnr.mo.gov/env/wpp/permits/docs/Part%204a-general-rpte-wqbel.pdf
Technical Support Document for Water Quality-Based Toxics Control (TSD) [EPA/505/2-90-001] on Page 50, Box 3-2, if the sample size is less than ten (10) then the coefficient of variation is estimated to be equal to 0.6. If adequate data are available for conducting a RPA, the analysis must be conducted. If adequate data are not available and
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