EPA Website
Link to the Federal EPA Site

Standard Methods
Link to Standard Methods

NELAC
Link to NELAC website

OSHA Website
Occupational Safety and Health Administration

Water Environment Federation
Preserving and Enhancing the Global Water Environment

NIST
National Institute of Standards and Technology

American Water Works Association
The Authoritive Resourse on Safe Water

NIOSH
National Instute for Occupational Safety and Health

AIHA- American Industrial Hygiene Association
Protecting Workers Health

American Society for Microbiology
Your information source for information on Microbiology

ASTM International- American Society for Testing and Materials
Globally recognized leader in the development and delivery of international standards.

ACS- American Chemical Society
Chemistry for Life