Science & Technology

EPA Air Method, Toxic Organics - 10A (TO-10A): Determination of Pesticides and Polychlorinated Biphenyls in Ambient Air Using Low Volume Polyurethane Foam (PUF) Sampling Followed by Gas Chromatographic/Multi-Detector Detection (GC/MD)

This method describes procedures for preparation and analysis of air samples for detection and measurement of select organic compounds, using solvent extraction and GC-MS.

EPA Method 3135.2I: Cyanide, Total and Amenable in Aqueous and Solid Samples Automated Colorimetric With Manual Digestion

This method describes procedures for preparation and analysis of solid, water and wipe samples for detection and measurement of cyanide amendable to chlorination using acid digestion and spectrophotometry.

EPA IO [Inorganic] Compendium Method IO-3.5: Determination of Metals in Ambient Particulate Matter Using Inductively Coupled Plasma/Mass Spectrometry (ICP-MS)

This method describes procedures for analysis of prepared air samples for detection and measurement of metal compounds as the total metal, using ICP-MS.

EPA Method 538: Determination of Selected Organic Contaminants in Drinking Water by Direct Aqueous Injection-Liquid Chromatography/Tandem Mass Spectrometry (DAI-LC/MS/MS)

EPA’s Selected Analytical Methods for Environmental Remediation and Recovery (SAM) lists this method for preparation and analysis of drinking water samples to detect and measure acephate, diisopropyl methylphosphonate (DIMP), methamidophos and thiofanox.

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

This method describes procedures for analysis of acrylamide, acrylonitrile and acrolein in water samples, using HPLC-UV detection.

EPA Method 525.2: Determination of Organic Compounds in Drinking Water by Liquid-Solid Extraction and Capillary Column Gas Chromatography/Mass Spectrometry

SAM lists this method for preparation and analysis of water samples for selected organic compounds using liquid-solid or solid-phase extraction and GC-MS.

EPA Method 8318A (SW-846): N-Methylcarbamates by High Performance Liquid Chromatography (HPLC)

This method describes procedures for preparation and analysis of solid samples for methylcarbamates using solvent extraction and HPLC-FL detection.

EPA Regional Contacts for Water Reuse

List of individuals serving as water reuse contacts for their EPA Region.

EPA Method 5030C (SW-846): Purge-and-Trap for Aqueous Samples

SAM lists this method for preparation of water samples to be analyzed for select volatile organic compounds, using purge-and-trap GC.

EPA Method 8260D (SW-846): Volatile Organic Compounds by Gas Chromatography-Mass Spectrometry (GC/MS)

This method provides procedures for analysis of solid, water and wipe samples to detect and measure selected volatile organic compounds, using purge-and-trap GC-MS.

OSHA Method PV2004: Acrylamide

This method describes procedures for preparation and analysis of air samples for detection and measurement of acrylamide, using by solvent desorption and HPLC.

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.

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.

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.

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