Methyl Mercury Randall*, P, M Engle, P E. Grimmett, AND M. A. llyushchenko. The Determination of Mercury in Soil and Water According to U.S. EPA SOW 846 & Method 7473 by Thermal Decomposition, Amal-gamation and Cold Vapor Atomic Absorption APPLICATION NOTE #1085 INTRODUTION The accurate determination of mercury in soils and waters is critical to the remediation of contaminated sites. Methods 245.1 and 245.2 were approved by EPA in 1974 and can achieve measurement of mercury down to 200 parts per trillion (ppt). EPA-821-R-01-01 January 2001. 136: Method 245.1, Method 245.2, and Method 1631E. Teklab is a NELAP accredited environmental testing laboratory that performs low level mercury (Hg) testing in wastewater effluent, groundwater or special waste samples. mercury (Hg) in solid and semi-solid sample matrices. These procedures may be used in conjunction with EPA Method 1631B: Mercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry for determination of mercury in tissue, sludge, sediment, soil, industrial samples, and certified reference materials. FIELD MEASUREMENT TECHNOLOGY FOR MERCURY IN SOIL AND SEDIMENT NITON'S XLI/XLT 700 SERIES X-RAY FLUORESCENCE ANALYZER. Atomic Absorption U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-03/148 (NTIS PB2005-100119), 2004. The purpose of the Demonstration was to collect reliable performance and cost data for the DMA-80 and four other field measurement devices for mercury … Draft Method 1630. 2001a. For mercury, there are three methods commonly used in the NPDES program that EPA has approved under Part . Additionally, EPA approved Method 1631 Revision E in 2002. 2001b. Mercury is typically calibrated over a range of 0.2 - … determination of mercury by cold-vapor atomic absorption (cvaa) (epa/sw-846 methods 7000a/7470a/7471a) contents 1.0 scope and application* 2.0 method summary 3.0 sample preservation, containers, handling, and storage 4.0 interferences and potential problems 5.0 equipment/apparatus 6.0 reagents* 7.0 procedures 7.1 glassware preparation U.S. EPA (U.S. Environmental Protection Agency). Mercury. EPA method 1631 or EPA 245.7 allow for detection of low level mercury in water and in soil. Other matrices (e.g., tissues, oils) may be requested by Modified Analyses. detection by atomic absorption described in EPA Method 7473 and ASTM Method 6722-01. Because there is no sample dissolution required, this novel approach can determine the total mercury content of a soil or sediment sample in less than five minutes, which is significantly faster than the traditional wet chemical reduction method. These procedures may be used in conjunction with EPA Method 163 IB: Mercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry for determination of mercury in tissue, sludge, sediment, soil, industrial samples, and certified reference materials. Milestone's Direct Mercury Analyzer (DMA-80) was demonstrated under the U.S. Environmental Protection Agency Superfund Innovative Technology Evaluation Program in May 2003 at the Oak Ridge National Laboratory (ORNL) in Oak Ridge, Tennessee. U.S. EPA (U.S. Environmental Protection Agency). Billets, S N., J. Nicklas, AND J. Evans. Appendix to Method 1631 Total Mercury in Tissue, Sludge, Sediment, and Soil by Acid Digestion and BrCl Oxidation. The method for the analysis of mercury in water, soil, and TCLP/SPLP leachate samples by CVAA is based on EPA methods SW-846 7470A and 7471B. Presented at 7th International Conference on Mercury as a Global Pollutant, Ljuvljana, Slovania, 6/27-7/2/04. 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