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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter D - Water Programs |
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Part 116 - Designation of Hazardous Substances |
§ 116.2 - Abbreviations.
Latest version.
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§ 116.2 Abbreviations.
ppm = parts per million
mg = milligram(s)
kg = kilogram(s)
mg/l = milligrams(s) per liter= (approx.) ppm
mg/kg = milligram(s) per kilogram= (approx.) ppm
[43 FR 10474, Mar. 13, 1978]