Allowable Discharge Rate(The allowable discharge rate for new development sites is a 2 year storm event at 20 minutes with a storm intensity of 2.30 in/hr. Kenny Gray)
environmental quality standard(An Environmental Quality Standard is a value, generally defined by regulation, which specifies the maximum permissible concentration of a potentially hazardous chemical in an environmental sample, generally of air or water. (Sometimes also known as an ambient standard.) ox.ac.ukAlexander Demidov)
