REFERENCES OF METHODOLOGY

Below is a list of publications from which NLS has selected appropriate, approved methods for analytical testing.

1. American Public Health Association, et. al. Standard Methods for the Examination of Water and Wastewater. 16th - 20th Edition. American Public Health Association. Washington, D.C.
2. Federal Register. Guidelines Establishing Test Procedures for the Analysis of Pollutants Under the Clean Water Act. Final Rule and Interim Final Rule and Proposed Rule. October 26, 1984. Government Printing Office. Washington, D.C.
3. American Society of Agronomy, et. al. 1982. Methods of Soil Analysis Part 2 - Chemical and Microbiological Properties. 2nd Edition. Edited by A.L. Page, R.H. Miller, D.R. Keeney. Soil Science Society of America. Madison, Wisconsin.
4. Perkin-Elmer. Analytical Methods for Atomic Absorption. 1982. Perkin-Elmer Corporation. 
5. United States Environmental Protection Agency. Handbook for Analytical Quality Control in Water and Wastewater Laboratories. March, 1979. E.P.A. -600/4-79-019. Revised 1983. Government Printing Office. Washington, D.C.
6. United States Environmental Protection Agency. Methods for the Chemical Analysis of Water and Wastes. March, 1983. E.P.A. -600/4-79-020. Government Printing Office. Washington, D.C.
7. United States Environmental Protection Agency. Methods for Organic Analysis of Municipal and Industrial Wastewater. July 1982. E.P.A. -600/4-82-057. Government Printing Office. Washington, D.C.
8. United States Environmental Protection Agency. Test Methods for Evaluating Solid Waste. July, 1986. SW-846. Third Edition and updates I, II, & III Government Printing Office. Washington, D.C.