Health Boards


My Profile

Health Boad

Health Jobs


Health Tools

environmental quality standard

This regulatory value defines the maximum concentration of a potentially toxic substance which can be allowed in an environmental compartment, usually air (air quality standard - AQS) or water, over a defined period.

Selected environmental quality standard links:

© 1997-2006 is a purely informational website, and should not be used as a substitute for professional legal, medical or technical advice.