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Title 40
SECTION 116.2
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Volume 24
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Chapter I
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Subchapter D
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Part 116
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Section 116.2
116.2 Abbreviations.
§ 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]