Science & Technology

Memorandum Regarding Use of Hydrochloric Acid (HCl) in Digests for Inductively Coupled Plasma-Mass Spectrometry (ICP-MS) Analysis

This memo clarifies which version of Method 3050 to use based on the analysis technique.

SW-846 Test Method 1040: Test Method for Oxidizing Solids

method suitable for assessing the relative oxidizing hazard of solid substances, including solids, granular materials, and other materials that can be formed into a conical pile

Memorandum of Clarification Regarding Use of SW-846 Methods

Memo that clarifies several methods in SW-846 for reference and distribution to the States and to other interested parties, including laboratories and the regulated community.

SW-846 Test Method 3005A: Acid Digestion of Waters for Total Recoverable or Dissolved Metals for Analysis by Flame Atomic Absorption (FLAA) or Inductively Coupled Plasma (ICP) Spectroscopy

acid digestion procedure used to prepare surface and ground water samples for analysis

SW-846 Test Method 9000: Determination of Water in Waste Materials by Karl Fischer Titration

method using Karl Fischer titration technique to quantify the water content of materials from 1 ppm to nearly 100%

SW-846 Test Method 3660B: Sulfur Cleanup

describes two techniques for the elimination of sulfur: (1) the use of copper powder, and (2) the use of tetrabutylammonium sulfite

SW-846 Test Method 3665A: Sulfuric Acid/Permanganate Cleanup

method for the rigorous cleanup of sample extracts prior to analysis for PCBs whenever elevated baselines or overly complex chromatograms prevent accurate quantitation

SW-846 Test Method 4000: Immunoassay

immunoassay is an analytical technique useful for the separation, detection and quantitation of both organic and inorganic analytes in diverse environmental and waste matrices

SW-846 Test Method 4030: Soil Screening for Petroleum Hydrocarbons by Immunoassay

procedure for screening soils to determine whether total petroleum hydrocarbons (TPH) are likely to be present

SW-846 Test Method 4040: Soil Screening for Toxaphene by Immunoassay

method to provide an estimate for the concentration of toxaphene by comparison against standards

SW-846 Test Method 4050: Trinitrotoluene (TNT) Explosives in Soil by Immunoassay

method to estimate for the concentration of TNT by comparison with a reference

SW-846 Test Method 8321B: Solvent-Extractable Nonvolatile Compounds by High-Performance Liquid Chromatography/Thermospray/Mass Spectrometry (HPLC/TS/MS) or Ultraviolet (UV) Detection

method designed to detect the chlorinated phenoxyacid compounds and their esters without the use of hydrolysis and esterification in the extraction procedure

SW-846 Test Method 8316: Acrylamide, Acrylonitrile and Acrolein by High Performance Liquid Chromatography (HPLC)

method used for detecting acrylamide, acrylonitrile, and acrolein (propenal)

SW-846 Test Method 9015: Metal Cyanide Complexes in Waters and Waste Extracts Using Anion Exchange Chromatography and Ultraviolet (UV) Detection

This method covers the determination of metal cyanide complexes in waters and extracts of solid wastes using anion exchange chromatography and UV detection.

SW-846 Test Method 9251: Chloride (Colorimetric, Automated Ferricyanide AAII)

describes automated method is applicable to ground water, drinking, surface, and saline waters, and domestic and industrial wastes

SW-846 Test Method 9023: Extractable Organic Halides (EOX) in Solids

method used for the determination of total extractable organic halides (EOX) as Cl- in solids from solid wastes, soils, and suspended solids isolated from industrial wastewater

SW-846 Test Method 7742: Selenium (Atomic Absorption, Borohydride Reduction)

atomic absorption procedure for determining 3 ?g/L to 750 ?g/L concentrations of selenium in wastes, mobility procedure extracts, soils, and ground water

SW-846 Test Method 9077: Test Methods for Total Chlorine in New and Used Petroleum Products (Field Test Kit Methods)

method that may be used to determine if a new or used petroleum product meets or exceeds requirements for total halogen measured as chloride

SW-846 Test Method 7473: Mercury in Solids and Solutions by Thermal Decomposition, Amalgamation, and Atomic Absorption Spectrophotometry

method used to determined the total mercury content in solids, aqueous samples, and digested solutions in both the laboratory and field environments

SW-846 Test Method 7196A: Chromium, Hexavalent (Colorimetric)

method to determine the concentration of dissolved hexavalent chromium [Cr(VI)] in EP/TCLP characteristic extracts and ground waters