maximum level

maximum permissible concentration

maximum permissible discharge concentration

maximum permissible dogleg

maximum permissible dose

maximum permissible oxygen content

maximum permissible rainfall

maximum permissible rate

Maximum Permissible River Discharge Load

maximum permissible velocity

permissible exposure limit

Permissible exposure limits

permissible level

A weighted sound exposure level

Cumulative exposure level

cumulative exposure level of total 16 polycyclic aromatic hydrocarbons

Exposure level

low level exposure

occupational exposure level