North Carolina Administrative Code
Title 15A - Environmental Quality
Chapter 02 - ENVIRONMENTAL MANAGEMENT
Subchapter D - AIR POLLUTION CONTROL REQUIREMENTS
Section .2600 - SOURCE TESTING
Section 02D .2604 - NUMBER OF TEST POINTS
Universal Citation: 15A NC Admin Code 02D .2604
Current through Register Vol. 39, No. 6, September 16, 2024
(a) Method 1 of Appendix A to 40 CFR Part 60 shall be used to select a suitable site and the appropriate number of test points for the following situations:
(1) particulate testing;
(2) volatile organic compounds
testing;
(3) velocity and volume
flow rate measurements;
(4) testing
for acid mist or other pollutants occurring in liquid droplet form;
(5) sampling for which velocity and volume
flow rate measurements are necessary for computing final test results;
or
(6) isokinetic
sampling.
(b) Method 1 of Appendix A to 40 CFR Part 60 shall be used as written with the following clarifications:
(1) Testing installations with
multiple ducts may be accomplished by testing the discharge stacks to which the
ducts exhaust. If the multiple ducts are individually tested, then Method 1
shall be applied to each duct individually.
(2) If test ports in a duct are less than two
diameters downstream or less than one-half diameter upstream from any
disturbance, such as a fan, elbow, change in diameter, or other physical
feature disturbing the gas flow, the acceptability of the test location shall
be determined by the Director before the test and after a review of technical
and economic factors.
Authority
G.S.
143-215.3(a)(1);
143-215.65;
143-215.66;
143-215.107(a)(5);
Eff. June 1, 2008;
Readopted Eff. November 1,
2019.
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