Proficiency Testing Study Options

This product contains proficiency testing sample(s) for analysis by your laboratory. Result of these measurements are to be reported within the timeframe of a study listed below. When ordering this product, select the appropriate study option for your laboratory's requirements.

DMRQA 30 WPCHEM Quarterly Study - Water pollution chemistry / DMRQA 30 Monday, March 15, 2010 through Friday, July 02, 2010

WP10-2 WPCHEM Quarterly Study - Water pollution chemistry / DMRQA 30 Wednesday, March 31, 2010 through Friday, May 14, 2010

WP10-3A WPCHEM Quarterly Study - Water pollution chemistry / DMRQA 30 Wednesday, May 19, 2010 through Friday, July 02, 2010

WP10-3B WPCHEM Quarterly Study - Water pollution chemistry Wednesday, July 07, 2010 through Friday, August 20, 2010

WP10-4 WPCHEM Quarterly Study - Water pollution chemistry Wednesday, September 29, 2010 through Friday, November 12, 2010

WP10-5 WPCHEM Quarterly Study - Water pollution chemistry Wednesday, November 24, 2010 through Friday, January 07, 2011

Off-Study A study commencing at the time of purchase and concluding 45 days later or when data submission by your laboratory has been completed. Results are analyzed and returned within 48 hours after the study close.