Laboratory Proficiency Testing
Includes USEPA Water Supply (WS), USEPA Water Pollution (WP) and successor Studies, Branch of Quality Systems (BQS) Standard Reference Water Sample (SRWS) Studies, New York State Department of Health Potable and Non-Potable Water Studies.
New York State Department of Health Potable and Non Potable Water Studies
All results in pdf format.
Non Potable Water Studies:
- Summer 2008 Results || Winter 2008 Results
- Summer 2007 Results || Winter 2007 Results
- Summer 2006 Results || Winter 2006 Results
- Summer 2005 Results || Winter 2005 Results
- Summer 2004 Results || Winter 2004 Results
- Summer 2003 Results || Winter 2003 Results
- Summer 2002 Results
Potable Water Studies:
- NYSDOH Fall 2003 Potable Water results
- NYSDOH Spring 2003 Potable Water results
- NYSDOH Fall 2002 Potable Water results
- NYSDOH Spring 2002 Potable Water results
Branch of Quality Assurance (BQS) Studies
Note: The NWQL is Lab 1 in all BQS studies.
For inquiries contact: Mary Cast (mecast@usgs.gov)
Last modified by Tiffani A Shockey
