N.H. Code Admin. R. Env-A 804.04

Current through Register No. 25, June 20, 2024
Section Env-A 804.04 - Determination of Compliance for VOC Coatings
(a) To determine a facility's compliance with Env-A 1200, the owner or operator shall use one of the following methods, as applicable:
(1) Method 24 as described in 40 CFR 60, Appendix A, using the 60-minute bake time procedure for test ASTM D 2369-10; or
(2) Method 24A as described in 40 CFR 60, Appendix A.
(b) Where one or more coating or diluent of the coating formulation chemically reacts with another coating or diluent, in lieu of the methods specified in (a) above, the owner or operator shall:
(1) Obtain separate samples of each coating or diluent;
(2) Mix the coatings or diluents in a container in the same proportions as those in the formulation, as applied;
(3) Keep the container in which mixing takes place closed between additions and during mixing;
(4) Hold approximately 100 ml of the mixture in a container designed and chosen to minimize headspace prior to withdrawing a sample;
(5) Withdraw a sample from the mixture, transfer the sample to a tared dish, and allow it to stand for a minimum of one hour, but not more than 24 hours, prior to conducting a Method 24 or 24A analysis; and
(6) Conduct a Method 24 or 24A analysis of the coating sample.

N.H. Code Admin. R. Env-A 804.04

(See Revision Note at chapter heading for Env-A 800) #5505 eff 11-15-92; ss by #6087, eff 8-31-95; ss by #7788, eff 10-31-02; ss by #9802, eff 10-31-10

Amended by Volume XXXIX Number 19, Filed May 9, 2019, Proposed by #12762, Effective 5/1/2019, Expires 5/1/2029.