maximum allowable concentration


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maximum allowable concentration

Abbreviation: MAC
The upper limit of concentration of certain atmospheric contaminants allowed in the workplace.
See also: concentration
References in periodicals archive ?
The PNS 2097 lists the maximum allowable concentration of heavy metals and other toxic hazardous substances and the degradation requirements of a plastic shopping bag.The BPS Technical Committee on Packaging and packaging materials or BPS/TC 40, in collaboration of the BPS Technical Committee on Plastics and plastic products or BPS/TC 45 prepared the said PNS.
Pesticides and heavy metals must be monitored and tested regularly with maximum allowable concentration of 0.1 og/l for individual pesticides and 0.5 og/l for the total amount of pesticides.
According to the obtained test reports and expert opinion, the soil samples revealed nitrate content more than 5 times higher than the permissible norms approved by hygienic standards of GN 2.1.7.2041-06 Maximum allowable concentrations (MPC) of chemical substances in the soil, namely, the nitrate content reached 686.4 mg / kg with an MPC of 130 mg / kg.

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