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PURCHASE OF NLPA 631 STANDARDS It is possible to purchase the National Leak Prevention's standard, NLPA Standard 631, directly through this web site using a credit card or check. NLPA 631 A, B &C Chapter A - Entry, Cleaning, Interior Inspection, Repair, and Lining of Underground Storage Tanks [For Compliance with 40 CFR Part 280.21, 280.33(a) and 280.33 (d)(1)] Chapter B - Future Internal Inspection Requirements
for Lined Tanks Chapter C - Internal Inspection of Steel Tanks for
Retrofit of Cathodic Protection Complete File by Email - $28.00 Printed Hard Copy $32.50 plus $4.00 priority shipping - Total $36.50 NLPA 631 Chapter D Chapter D - Lining of Fiberglass Tanks For Compatibility & Repairs That Are Allowed [For Compliance with 40 CFR Part 280.32 and 280.33(b) Complete File by Email - $11.00 Printed hard Copy 14.00 plus $4.00 priority mail shipping - Total $18.00 NLPA 631 Chapter E (NOT AVAILABLE AT THIS TIME - DEVELOPMENT IN PROGRESS) Chapter E - Repair and Lining Methods for Double Wall Steel and Double Wall Tanks w/ Steel Primary Containment and Non-Steel Secondary Containment |