Environmental Measurements Laboratory (EML) Online Procedures Manual [28th Edition] [open pdf - 7MB]
"Since 1957, the EML Procedures Manual, HASL-300, has served as a significant resource for scientists throughout the world who collect samples, perform field measurements or analyze samples. The Manual includes sections on Quality Assurance, Sampling Techniques, Radiation Measurements, Analytical Chemistry Procedures, Radionuclide Data, EML Special Facilities, and Specifications for Equipment and Supplies" This is the 28th edition, which was released in February 1997. The Procedures Manual is no longer being updated. Please note that the special facilities in Section 6 no longer exist.
United States. Dept. of Homeland Security. Environmental Measurements Laboratory: http://www.nbl.doe.gov/htm/EML_Legacy_Website/ProcMan/Start.htm