NC0076783_Lab Evaluation_20060228

Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
February 28, 2006
5303
Mr. Jeff Carlisle
P.O. Hoffer Treatment Facility
508 Hoffer Dr.
Fayetteville, NC 28301-
SUBJECT: Performance Evaluation Results
Dear Mr. Carlisle:
Alan W. Klimek, P.E. Director
Division of Water Quality
EN
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FRO
MAR 0 3 2006
The performance evaluation (PE) results submitted by your laboratory from the NSI WP-107 Performance
Evaluation Study are summarized below.. A "Fail" entry, requires a follow up sample to be analyzed and reported
to this office within 60 days. A date entered beside the "Fail" entry represents the completion deadline for this PE
follow up.
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2/28/2006 .
RESIDUAL CHLORINE, Std Method 4500 CI G
Fail NSI WP-107
Fail no result submitted
RESIDUE SETTLEABLE, Std Method 2540F
Fail NSI WP-107
2/28/2006
Fail no result submitted
Since no follow up results were submitted this is considered a second successive failure. In accordance with-15A
NCAC 2H .0807 (a) (10) and (b) (1) your laboratory may be decertified for both parameters. Your laboratory
will be allowed 30 days to produce a passing result for .both parameters. Contact your -PE provider and
request a rapid response type of sample. This must be a blind sample just as the WP.,Failure to analyze and
submit an acceptable follow up sample result in the allotted time or producing another unacceptable result will
result in decertification for that parameter.
You are reminded that an acceptable performance evaluation (PE) result must be obtained 'for all certified
parameters which are available from the accredited vendors each year. This letter pertains to your •2005 PE
sample results only.
Please contact us at 919-733-3908 if you have questions or need additional information.
Norman L. Good
Laboratory Section
cc: James W. Meyer
Fayetteville Regional Office
One
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North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone [phone] Customer Service '
Internet: www.ncwaterquality.org Location: 512 N. Salisbury St. Raleigh, NC 27604 Fax [phone]
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