Approved CWA Test Methods: Metals
Methods approved under Clean Water Act section 304(h) and published at 40 CFR Part 136.
- 200.2: Sample Preparation Procedure for Spectrochemical Determination of Total Recoverable Elements; Rev. 2.8 (pdf)
- 200.5: Determination of Trace Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometry; Rev. 4.2 (pdf)
- 200.7: Determination of Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry; Rev. 4.4 (pdf)
- 200.8: Determination of Trace Elements in Waters and Wastes by Inductively Coupled Plasma – Mass Spectrometry; Rev. 5.4 (pdf)
- 200.9: Determination of Trace Elements by Stabilized Temperature Graphic Furnace Atomic Absorption; Rev. 2.2 (pdf)
- 206.5: Arsenic, Sample Digestion Prior to Total Arsenic Analysis by Silver Diethyldithiocarbamate or Hydride Procedures (pdf)
- 218.6: Determination of Dissolved Hexavalent Chromium in Drinking Water, Groundwater, and Industrial Wastewater Effluents by Ion Chromatography; Rev. 3.3 (pdf)
- 231.2: Gold, Atomic Absorption, Furnace Technique (pdf)
- 235.2: Iridium, Atomic Absorption, Furnace Technique (pdf)
- 245.1: Determination of Mercury in Water by Cold Vapor Atomic Absorption Spectrometry; Rev. 3.0 (pdf)
- 245.2: Mercury (Automated Cold Vapor Technique) by Atomic Absorption (pdf)
- 245.7: Mercury in Water by Cold Vapor Atomic Fluorescence Spectrometry; Rev. 2.0 (pdf)
- 252.2: Osmium, Atomic Absorption, Furnace Technique (pdf)
- 253.2: Palladium, Atomic Absorption, Furnace Technique (pdf)
- 255.2: Platinum, Atomic Absorption, Furnace Technique (pdf)
- 265.2: Rhodium, Atomic Absorption, Furnace Technique (pdf)
- 267.2: Ruthenium, Atomic Absorption, Furnace Technique (pdf)
- 279.2: Thallium, Atomic Absorption, Furnace Technique (pdf)
- 283.2: Titanium, Atomic Absorption, Furnace Technique (pdf)
- 289.2: Zinc, Atomic Absorption, Furnace Technique (pdf)
- 1631: Mercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry; Rev. E (pdf)