40 CFR 63.2993
§ 63.2993 What test methods must I use in conducting performance tests?
United States · 40 CFR — Protection of Environment · Status: effective
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- Citation
- 40 CFR 63.2993, § 63.2993 What test methods must I use in conducting performance tests?, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/176336
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Full text
(a) Use EPA Method 1 (40 CFR part 60, appendix A-1) for selecting the sampling port location and the number of sampling ports.
(b) Use EPA Method 2 (40 CFR part 60, appendix A-1) for measuring the volumetric flow rate of the stack gas.
(c) Use EPA Method 3 or 3A (40 CFR part 60, appendix A-2) for measuring oxygen and carbon dioxide concentrations needed to correct formaldehyde concentration measurements to a standard basis.
(d) Use EPA Method 4 (40 CFR part 60, appendix A-3) for measuring the moisture content of the stack gas.
(e) Use EPA Method 316, 318, or 320 (40 CFR part 63, appendix A) for measuring the concentration of formaldehyde.
(f) Use the method contained in appendix A to this subpart or the resin purchase specification and the vendor specification sheet for each resin lot for determining the free-formaldehyde content in the urea-formaldehyde resin.
(g) Use the method in appendix B to this subpart for determining product loss-on-ignition.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.