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CALL TOLL-FREE at 1-800-527-9929, in USA.
Monday through Friday, 8 a.m. to 5 p.m. CST.

CALL TOLL-FREE at 1-800-268-3035, in CANADA. Monday through Friday, 8 a.m. to 5 p.m. CST.


In USA, fax to 972-438-0634.

In CANADA, fax to 905-457-2687.

Be sure to include your name and number
on the faxed document in case we need to contact you.


Certified Laboratories
ATTN: Marketing Department, 5N
P.O. Box 152170
Irving, TX 75015

Certified Laboratories
ATTN: Marketing Department
239 Orenda Road
Brampton On L6T 1E6

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