Science & Technology
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EPA Method 7580 (SW-846): White Phosphorus (P4) by Solvent Extraction and Gas Chromatography
This method provides procedures to detect and determine the concentration of white phosphorus in solid, water and wipe samples.
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EPA Method 3050B: Acid Digestion of Sediments, Sludges, and Soils
SAM lists this method for preparation of solid samples to be analyzed for determination of total arsenic, thallium, and vanadium.
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NIOSH Method 7905: Phosphorus
Method 7905 describes procedures for analysis of phosphorus in air samples, as vapor-phase phosphorus, using GC-FPD. If particulate phosphorus is expected, a filter can be used in the sampling train.
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Proposed Rule and Related Materials for Control of Emissions from New Marine Compression-Ignition Engines at or Above 30 Liters Per Cylinder
Proposed Rule and Related Materials for: Control of Emissions from New Marine Compression-Ignition Engines at or Above 30 Liters Per Cylinder
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NEIC Fact Sheets
Detailed information on laboratory, field and information functions at the National Enforcement Investigations Center.
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NIOSH Method 6013: Hydrogen Sulfide
Method 6013 describes procedures for analysis of hydrogen sulfide in air samples, as sulfate, using ion chromatography (IC) with conductivity detection.
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NIOSH Method 6015: Ammonia
Method 6015 describes procedures for analysis of ammonia in air samples, as indophenol blue, using visible spectrophotometry.
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NIOSH Method 6402: Phosphorus Trichloride
Method 6402 describes procedures for analysis of phosphorus trichloride in air samples, as phosphate, using visible spectrophotometry.
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NIOSH Method 5600: Organophosphorus Pesticides
Method 5600 describes procedures for the analysis of organophosphorus pesticides in air samples using GC-FPD.
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NIOSH Method 6010: Hydrogen Cyanide
Method 6010 describes procedures for analysis of hydrogen cyanide in air samples, as a cyanide ion complex, using visible spectrophotometry.
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CASTNET Site Locations
CASTNET site map
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NIOSH Method 2513: Ethylene Chlorohydrin
Method 2513 describes procedures for analysis of ethylene chorohydrin in air samples using GC-FID.
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NIOSH Method 2016: Formaldehyde
Method 2016 describes procedures for analysis of formaldehyde in air samples using HPLC with a UV detector.
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EPA Method 8315A (SW-846): Determination of Carbonyl Compounds by High Performance Liquid Chromatography (HPLC)
This method describes procedures for detection and measurement of free carbonyl compounds in various matrices by derivatization and HPLC-UV detection.
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EPA CLP ISMO 2.3 Cyanide: Analytical Methods for Total Cyanide Analysis
This method describes procedures for preparation and analysis of solid, water and wipe samples for total cyanide, using midi- or micro-distillation and spectrophotometry.
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EPA IO [Inorganic] Compendium Method IO-3.1: Selection, Preparation, and Extraction of Filter Material
This method describes procedures for preparation of air samplesfor analysis of total arsenic, osmium, vanadium or thallium, using acid extraction.
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EPA Method 7473 (SW-846): Mercury in Solids and Solutions by Thermal Decomposition, Amalgamation, and Atomic Absorption Spectrophotometry
This method describes procedures for preparation and
analysis of solid and wipe samples for the detection and measurement of total mercury. -
Section 11: Surface Water - Likelihood of Release
Learn about the surface water pathway, the most complex pathway for evaluating Hazard Ranking System (HRS) scores.
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EPA Method 8330B (SW-846): Nitroaromatics, Nitramines, and Nitrate Esters by High Performance Liquid Chromatography (HPLC)
This method describes procedures for preparation and analysis of solid, water and wipe samples for nitroaromatics, nitramines and nitrate esters using HPLC-UV detection.
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EPA Method 7471B (SW-846): Mercury in Solid or Semisolid Wastes (Manual Cold-Vapor Technique)
Cold-vapor atomic absorption procedure for determining the concentration of mercury in solid and semisolid wastes.