| EPA 200 Series Methods |
| The EPA 200 methods are designed to identify and quantify inorganic compounds in municipal drinking water. These methods are cited under the Safe Drinking Water Act (SDWA). |
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Method 200.7
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Determination of Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Spectrometry |

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Method 200.8
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Determination of Trace Elements in Waters and Wastes by ICP-MS |
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| EPA 500 Series Methods |
| The EPA 500 methods are designed to identify and quantify organic compounds in municipal drinking water. These methods are cited under the Safe Drinking Water Act (SDWA). |
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Method 502.2
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Volatile Organic Compounds in Water by Purge and Trap Capillary Column Gas Chromatography with Photoionization and Electrolytic Conductivity Detectors in Series - Revision 2.1. |

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Method 504.1
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1,2-Dibromoethane (EDB), 1,2-Dibromo-3-Chloropropane (DBCP), and 1,2,3- Trichloropropane (123TCP) in Water by Microextraction and Gas Chromatography - Revision 1.1. |
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Method 505
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Analysis of Organohalide Pesticides and Commercial Polychlorinated Biphenyl (PCB) Products in Water by Microextraction and Gas Chromatography - Revision 2.1. |
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Method 506
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Determination of Phthalate and Adipate Esters in Drinking Water by Liquid-Liquid Extraction or Liquid-Solid Extraction and Gas Chromatography with Photoionization Detection - Revision 1.1. |
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Method 507
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Determination of Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector - Revision 2.1. |
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Method 508
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Determination of Chlorinated Pesticides in Water by Gas Chromatography with an Electron Capture Detector - Revision 3.1. |
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Method 508.1
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Determination of Chlorinated Pesticides, Herbicides, and Organohalides by Liquid-Solid Extraction and Electron Capture Gas Chromatography -Revision 2.0. |
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Method 508A
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Screening for Polychlorinated Biphenyls by Perchlorination and Gas Chromatography - Revision 1.0. |
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Method 509
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Determination of Ethylene Thiourea (ETU) in Water using Gas Chromatography with a Nirogen-Phosphorus Detector. |
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Method 515.1
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Determination of Chlorinated Acids in Water by Gas Chromatography with an Electron Capture Detector - Revision 4.1. |
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Method 515.2
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Determination of Chlorinated Acids in Water using Liquid-Solid Extraction and Gas Chromatography with an Electron Capture Detector - Revision 1.1. |
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Method 521
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Determination of Nitrosamines in Drinking Water by Solid Phase Extraction and Capillary Column and Solid Phase Extraction and Capillary Column Gas Chromatography |
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Method 524.2
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Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry - Revision 4.1. |
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Method 525.1
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Determination of Organic Compounds in Drinking Water by Liquids-Solid Extraction and Capillary Column Gas Chromatography/Mass Spectrometry, Revision 2.2. |
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Method 525.2
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Determination of Organic Compounds in Drinking Water by Liquid-Solid Extraction and Capillary Column Gas Chromatography/Mass Spectrometry -Revision 2.0. |
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Method 526
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Determination of Selected Semi-Volatile Organic Compounds in Drinking Water by Solid Phase Extraction and Capillary Column Gas Chromatography/Mass Spectrometry. |
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Method 527
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Determination of Selected Pesticides and Flame Retardants in Drinking Water by Solid Phase Extraction and Capillary Column and Solid Phase Extraction and Capillary Column Gas Chromatography/Mass Spectrometry. |
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Method 529
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Determination of Explosives and Related Compounds in Drinking Water by Solid Phase Extraction and Capillary Column and Solid Phase Extraction and Capillary Column Gas Chromatography/Mass Spectrometry. |
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Method 529
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Determination of Explosives and Related Compounds in Drinking Water by Solid Phase Extraction and Capillary Column and Solid Phase Extraction and Capillary Column Gas Chromatography/Mass Spectrometry. |
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Method 531.1
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Measurement of N-Methylcarbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Post Column Derivatization -Revision 3.1. |
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Method 532
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Determination of Phenylurea Compounds in Drinking Water by Solid Phase Extraction and High Performance Liquid Chromatography with UV Detection. |
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Method 535
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Measurement of Chloroacetanilide and other Acetamide Herbicide Degradates in Drinking Water by Solid Phase Extraction and Liquid Chromatography/Tandem Mass Spectrometry. |
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Method 547
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Determination of Glyphosate in Drinking Water by Direct-Aqueous-Injection b HPLC, Post-Column Derivatization, and Fluorescence Detection - July 1990. |
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Method 548
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Determination of Endothall in Drinking Water by Aqueous Derivatization, Liquid-Solid Extraction, and Gas Chromatography with Electron Capture Detection. |
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Method 548.1
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Determination of Endothall in Drinking Water by Ion Exchange Extraction, c Acidic Methanol Methylation and Gas Chromatography/Mass Spectrometry -Revision 1.0. |
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Method 549.1
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Determination of Diquat and Paraquat in Drinking Water by Liquid-Solid c Extraction and HPLC with Ultraviolet Detection - Revision 1.0. |
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Method 550
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Determination of Polycyclic Aromatic Hydrocarbons in Drinking Water By b Liquid-Liquid Extraction and HPLC with Coupled Ultraviolet and Fluorescence Detection. |
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Method 550.1
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Determination of Polycyclic Aromatic Hydrocarbons in Drinking Water by Liquid-Solid Extraction and HPLC with Coupled Ultraviolet and Fluorescence Detection. |
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Method 551
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Determination of Chlorination Disinfection Byproducts and Chlorinated Solvents in Drinking Water by Liquid-Liquid Extraction and Gas Chromatography with Electron Capture Detection. |
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Method 551.1
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Determination of Chlorination Disinfection Byproducts, Chlorinated Solvents, and Halogenated Pesticides/Herbicides in Drinking Water by Liquid-Liquid Extraction and Gas Chromatography with Electron-Capture Detection -Revision 1.0. |
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Method 552
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Determination of Haloacetic Acids in Drinking Water by Liquid-Liquid Extraction, Derivatization, and Gas Chromatography with Electron Capture Detection. |
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Method 552.1
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Determination of Haloacetic Acids and Dalapon in Drinking Water by Ion Exchange Liquid-Solid Extraction and Gas Chromatography with an Electron Capture Detector - Revision 1.0. |
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Method 552.2
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Determination of Haloacetic Acids and Dalapon in Drinking Water by Liquid-Liquid Extraction, Derivatization and Gas Chromatography with Electron Capture Detection - Revision 1.0. |
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Method 553
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Determination of Benzidines and Nitrogen-Containing Pesticides in Water by Liquid-Liquid Extraction or Liquid-Solid Extraction and Reverse Phase High Performance Liquid Chromatography/Particle Beam/Mass Spectrometry -Revision 1.1. |
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Method 554
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Determination of Carbonyl Compounds in Drinking Water by Dinitrophenylhydrazine Derivatization and High Performance Liquid Chromatography - Revision 1.0. |
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Method 555
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Determination of Chlorinated Acids in Water by High Performance Liquid Chromatography with a Photodiode Array Ultraviolet Detector - Revision 1.0. |
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Method 556
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Determination of Carbonyl Compounds in Drinking Water by Pentafluorobenzylhydroxylamine Derivatization and Capillary Gas Chromatography |
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Method 556.1
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Determination of Carbonyl Compounds in Drinking Water by Fast Gas Chromatography |
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