40 CFR §63.9914
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
- (a)You must conduct each performance test that applies to your affected source according to the requirements in § 63.7(e)(1).
- (b)To determine compliance with the applicable emission limits for chlorine and hydrochloric acid in Table 1 to this subpart, you must follow the test methods and procedures specified in paragraphs (b)(1) and (2) of this section.
- (1)Determine the concentration of chlorine and hydrochloric acid according to the following test methods in appendix A to 40 CFR part 60:
- (i)Method 1 to select sampling port locations and the number of traverse points. Sampling ports must be located at the outlet of the control device and prior to any releases to the atmosphere.
- (ii)Method 2, 2F, or 2G to determine the volumetric flow of the stack gas.
- (iii)Method 3, 3A, or 3B to determine the dry molecular weight of the stack gas.
- (iv)Method 4 to determine the moisture content of the stack gas.
- (v)Method 26 or 26A, as applicable, to determine the concentration of hydrochloric acid and chlorine.
- (2)Collect a minimum sample of 60 dscf during each test run for chlorine and hydrochloric acid. Three valid test runs are needed to comprise a performance test.
- (1)Determine the concentration of chlorine and hydrochloric acid according to the following test methods in appendix A to 40 CFR part 60:
- (c)Compute the mass emissions rate (lbs/hr) for each test run using Equation 1 of this section: