The US Geological Survey Branch of Quality Systems

USGS Inorganic Blind Sample Project (IBSP)

QADATA Summaries

The Branch of Quality Systems (BQS) operates an Inorganic Blind Sample Project (IBSP). One of the goals of the project is to document bias and variability for the National Water Quality Laboratory (NWQL) through the use of blind quality assurance samples. The quality assurance results are stored in the QADATA data base. The QADATA Summary is the Inorganic Blind Sample Project's cursory review of those data. Summaries usually include a six-month time period. From these summaries, districts can be informed of the lab's performance on quality-assurance samples which parallel the districts' own environmental samples. Districts can improve the quality of environmental data by requesting reruns.

WY 2010 October 2010
WY 2009 August 2009 June 2009 April 2009 February 2009 December 2008 October 2008	WY 2008 August 2008 June 2008 April 2008 February 2008 December 2007 October 2007	WY 2007 August 2007 June 2007 April 2007 February 2007 December 2006 October 2006
WY 2006 August 2006 June 2006 April 2006 February 2006 December 2005 October 2005	WY 2005 August 2005 June 2005 April 2005 February 2005 November 2004	WY 2004 September 2004 July 2004 May 2004 March 2004 January 2004 November 2003
WY 2003 September 2003 July 2003 May 2003 March 2003 January 2003 November 2002	WY 2002 September 2002 July 2002 May 2002 November 2001	WY 2001 July 2001 May 2001 March 2001 November 2000
WY 2000 September 2000 July 2000 May 2000 March 2000 January 2000 November 1999	WY 1999 September 1999 July 1999 May 1999 March 1999 January 1999 November 1998	WY 1998 September 1998 July 1998 May 1998 March 1998 January 1998 November 1997
WY 1997 September 1997 July 1997 May 1997	WY 1996 April 1996 December 1995	WY 1995 August 1995 May 1995 October 1994
WY 1994 August 1994 July 1994 June 1994 April 1994 March 1994 February 1994 January 1994 December 1993 November 1993 October 1993	WY 1993 September 1993 August 1993 April 1993 February 1993

For further information, contact:

Inorganic Blind Sample Project Project Chief (struzesk@usgs.gov)
U.S. Geological Survey
Denver Federal Center
Mail Stop 401, Box 25046
Denver, CO 80225
303.236.1872

LINKS

National Atmospheric Deposition Program National Trends Network

National Water Quality Laboratory

Office of Water Quality

USGS Water Resources Discipline Publications

USGS Water Resources Discipline, Water Data

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
URL: http://bqs.usgs.gov/ibsp
Page Contact Information: Webmaster

USGS Inorganic Blind Sample Project (IBSP)

QADATA Summaries

WY 2010

WY 2009

WY 2008

WY 2007

WY 2006

WY 2005

WY 2004

WY 2003

WY 2002

WY 2001

WY 2000

WY 1999

WY 1998

WY 1997

WY 1996

WY 1995

WY 1994

WY 1993