DEQ-CFW_00056250

WP-230 2009 TNI Evaluation Final Complete Repor),
S EPA ID: NC10975
ERA Customer Number: D140057
Report Issued: 04128/14
Study Dates: 03/10/14 - 04/24114
AgencyID: DWQ Laboratory Section
A Waters Company Hope A. Walters
Environmental Specialist
Du Pont Company Fayetteville Works
22828 NC Highway 87 W
Fayetteville, NC 28306-7332
910-678-1696
TNI
Analyte
Analyte Units
I I
Reported
I
Assigned
I
Acceptance Performance
Method Description
I
Study
Analysis Study
Z Score I Standard Analyst Name
I
Code
Value
Value
Limits Evaluation
Date Mean 11
Deviation
WP pH (cat# 577)
F-19-00—TH S.U. 1 6.31 1 6.28 1 6.08-6.48 1 Acceptable I SM4500HIBontine 1 3/1412014 1 0.129 1 6,30 1 0.0490 1 J.1l.R.L.11.
RECEIVED
All analytes are included in ERNs A21-A accreditation, Lab Code: 1539-01
16341 Table Mountain Pkwy - Golden, CO 80403 - 800.372.0122 - 303.431.8454 - fax [phone] - www.eraqc.com
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Study #: WP-230 N;w
DEQ-CFW-00056250