6390 Joyce Drive, Suite 100, Golden, CO  80403   Phone: 303-940-0033   Fax:303-940-0043
   
 

Download Papers and Presentations

"2007 Changes to the NELAC Proficiency Testing Program" - A presentation given by Chuck Wibby at FSEA, May 2007

"The New NELAC Soil Fields of Proficiency Testing" - A presentation given by Ty Garber, Operations Manager, at Illinois Environmental Laboratory Association Meeting December 2006 in Chicago, Illinois.

"Texas and the NELAC PT Program" - A presentation given by Graham Jackson, Technical Director Wibby Environmental, at the North Texas Lab Analysts' Association Meeting February 2005 in Dallas, Texas

"QA/QC Considerations for Sampling and Analysis Associated with EPA Method 1631"- A presentation given by Chuck Wibby at the Seminar on Low Level Mercury Data and Analyses, September 2004 in Boulder, Colorado.

"PT Requirements and NELAC and A2LA Laboratory Accreditation" - A presentation by Chuck Wibby given February 2003 in Denver

"Acheiving PT Success" - A presentation by Chuck Wibby given April 2002 in Los Angeles

"Understanding NELAC PT Requirements" - A presentation given by Chuck Wibby at the Texas Lab Speciality Conference, May 2002 in Dallas, Texas

 

 

 

Download papers and presentations by clicking on any of the links to the right. The downloads are FREE.

 

 

 

 

 

 

 

 

NELAC Downloads

Download NELAC PT spreadsheets. These three downloads include important information needed for laboratories participating in PT studies.

NELAC PT FOT Tables - Includes a comprehensive listing of every PT analyte a NELAC lab is required to run along with approved concentration ranges, regresssion constants for calculating acceptance limits and Profciency Testing Reporting Limits that provide guidance on reporting low level results.

NELAC Method Codes - Over 1500 environmental methods and associated NELAC method codes. Useful information for labs needing to include method codes on PT data reporting sheets.

NELAC Analyte Codes - Over 1275 environmental analytes and associated NELAC analyte codes. Helpful for those setting up a data base to track environmental data.

PT Instructions, Ranges and PTRLs

Download individual instructions, ranges and PTRLs for PT standards.
    Wibby Environmental   6390 Joyce Drive, Suite 100, Golden, CO  80403   Phone: 303-940-0033   Fax:303-940-0043