Definitions and units. (i) The ‘‘cation exchange capacity’’ (CEC) is the sum total of exchangeable cations that a sediment or soil can adsorb. The CEC is expressed in milliequivalents of negative charge per 100 grams (meq/ 100g) or milliequivalents of negative charge per gram (meq/g) of soil or sedi- ment.
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Samples: www.govinfo.gov, www.govinfo.gov, www.govinfo.gov
Definitions and units. (i) The ‘‘cation exchange capacity’’ (CEC) is the sum total of exchangeable cations that a sediment or soil can adsorb. The CEC is expressed in milliequivalents of negative charge per 100 grams (meq/ 100g) or milliequivalents of negative § 796.2750 charge per gram (meq/g) of soil or sedi- ment.
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Samples: www.govinfo.gov