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NATIONAL CERTIFIED TESTING LABORATORIES
3310 HILLAVENUE • EVERETT, WASHINGTON 98201 TELEPHONE (425) 259-6799
FAX (425) 259-4936
www.nctlinc.com
July 06, 2020
Mr. Dan Vezo
JELD-WEN, Inc.
3737 Lakeport Blvd.
Klamath Falls, OR 97601
RE: ASTM E330 Test Method Equivalence
To Whom It May Concern,
The ASTM E330-02 test method was reapproved with no revisions in 2010 as ASTM E330-02(2010).
ASTM E330-02(2010) was revised in 2014 to be a concurrent Metric and Imperial primary document
with no other technical changes made and is the currently active ASTM E330/ E330M-14 test method.
Therefore compliant testing to the currently active ASTM E330/ E330M-14 test method is equivalent to
compliant testing performed to ASTM E330-02(2010) test method requirements.
Please feel free to contact me if you have any questions or concerns. Have a happy day.
Kind regards,
National Certified Testing Laboratories
Amy Becker
NW Division Manager
AMB/
Professlonals /n fie Science of Tesf/ng
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