HomeMy WebLinkAboutNC0005762_Annual Lab Performance_20010201North Carolina
-Department of Environment and Natural Resources
Michael F. Easley, Governor
Sherri Evans -Stanton, Acting Secretary
February 1, 2001
156
Mr. George W. Brown
WestPoint Stevens Wastewater Laboratory
P.O. Box 388
Airbase Road
Wagram, NC.28396
Subject: 2000 Performance Evaluation Study
Dear Mr. Brown:
ern
NCDENR
6001
The North Carolina Wastewater/Groundwater Laboratory Certification program has received the
1) Environmental Resource Associates (ERA)
2) NSI Environmental Solutions, Inc. •
study results that were submitted. Our program requires you to analyze blind (unknown) performance ampuls for all
parameters that currently appear on Attachment I of your Certified Parameter list. The study,you submitted did not
contain acceptable values, or analytical values were not provided for the following parameter:
1. Color ADMI Unacceptable results provided
If your laboratory has already conducted a blind study for these analyses in 2000, please supply this office with a
copy of the results. If a blind study was not completed in 2000, your laboratory must secure and analyze
performance evaluation samples and have your approved selected vendor provide us with the results. Likewise, our
program requires that you arrange to procure blind follow-up samples for all unacceptable results. Please notify this
office within 10 days, by fax, e-mail, telephone, or U.S. Postal service of your intent to complete these requirements.
Fax: - 919-733-6241
E-mail: Tonla.Springer(c�ncmail.net
Telephone: 919 - 733 - 3908
Address: 1623 Mail Service Center
Raleigh, NC 27699-1623
Contact us at 919-733-3908, extension 254, if you have questions concerning our program requirements.
Sincerely,
Tonja Springer
Laboratory Section
TS: is
cc: . James W. Meyer
Norman L. Good
Fayetteville Regional Office
Study2000.Itr
1623 Mail Service Center, Raleigh, North Carolina 27699-1623
Phone: 919 - 733-3908 \ FAX: 919 - 733-6241 \ Internet: www.enr.state.nc.us/LAB/
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