EPA's Region 6 Office
Serving: Arkansas, Louisiana, New Mexico, Oklahoma, Texas, and 66 Tribal Nations
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The CLP Fact Sheets, CLP Methods, SW-846 methods, selected methods for the Office of Ground Water and Drinking Water ,and other documents can now be viewed and/or printed using the Adobe Acrobat Reader. You may download the reader for free if you do not have Adobe Acrobat on your computer. The size of the pdf file is provided with the document title. This list is provider as a customer service from the US EPA Environmental Services Branch (ESB) Laboratory. This listing is an attempt to provide easy access to one source of EPA online environmental test methods. This page will be periodically updated to provide access to even more EPA methods online.
Fact Sheets, Analytical Methods,CLP Statements of Work (SOW), and other documents used in the Contract Laboratory Program.The Analytical Methods section of this Web site contains information about Statements of Work (SOWs) under which CLP samples may be analyzed. Use the links below to obtain information about any of the analytical methods available from the CLP.
We publish laboratory analytical methods that are used by industries and municipalities to analyze the chemical, physical, and biological components of wastewater and other environmental samples that are required by regulations under the authority of the Clean Water Act (CWA). All of these methods are published as regulations in the Code of Federal Regulations (CFR) at Title 40 Part 136.
NEMI is a free, searchable clearinghouse of methods and procedures for both regulatory and non-regulatory monitoring purposes for water, sediment, air and tissues.
SW-846 contains over 200 documents, including the Table of Contents, Disclaimer, Preface, Chapters One through Thirteen, and many different methods for the sampling and analysis of wastes. All of the documents found in the Third Edition of SW-846, as updated by Updates I, II, IIA, IIB, III, IIIA and IIIB are located at this site. Just 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 1311, the TCLP, click on the phrase "1000 Series," which will take you to a listing of the SW-846 methods in the 1000 series.
- SW-846 - describes the test methods contained in "Test Methods for Evaluating Solid Waste, Physical/Chemical Methods", the official compendium of analytical and sampling methods that have been evaluated and approved for use in complying with the RCRA regulations.
- Mice Service - describes the Methods Information Communication Exchange (MICE) Service that provides timely answers to method-related questions and takes comments on technical issues regarding SW-846 methods.
- PBMS - describes the Performance-Based Measurement System (PBMS) that conveys "what" needs to be accomplished by a method, but not prescriptively "how" to do it.
- National Environmental Monitoring Conference (NEMC) - describes the annual conference for all interested parties to work together to solve RCRA environmental monitoring and waste characterization problems.
- Methods Development and Approval Process - describes the two-part process to assist people interested in having a method included in SW-846.
- Related Links - includes links to resources and hotlines, guidance documents, other EPA test methods, and other relevant sites.
- What's New - describes the latest postings to the web site.
The Office of Research and Development, National Exposure Research Laboratory (NERL) has historically been one of the most active EPA laboratories conducting drinking water methods research. Numerous analytical methods have been written and are available through the NTIS .
Some recently developed analytical methods for drinking water are avaliable for download from the internet. EPA recommends that laboratories interested in using these methods for compliance monitoring check the Federal Register to determine if and when these methods are approved. The methods are presented in Adobe Acrobat ® PDF format.You will need Adobe Acrobat Reader to view PDF files. See EPA's PDF page for more information about getting and using the free Acrobat Reader.
The online version of METHODS FOR THE DETERMINATION OF CHEMICAL SUBSTANCES IN MARINE AND ESTUARINE ENVIRONMENTAL MATRICES, 2nd Edition (EPA publication EPA/600/R-97/072) is presented in Adobe Acrobat ® PDF format. You may retrieve the entire Manual as a single file (1.6MB) or as individual methods. Inquiries concerning the Manual should be directed to DWmethods.firstname.lastname@example.org.
AMTIC Ambient Monitoring Technology Information Center: select file transfers; ambient monitoring; air toxics and pick from list.