《英文msh詞典》MPELs
[入口詞] MPELs
[主題詞] Maximum Allowable Concentration
[英文釋義] The maximum exposure to a biologically active physical or chemical agent that is allowed during an 8-hour period (a workday) in a population of workers,or during a 24-hour period in the general population,which does not appear to cause appreciable harm,whether immediate or delayed for any period,in the target population. (From Lewis Dictionary of Toxicology,1st ed)