Texas Administrative Code
Title 30 - ENVIRONMENTAL QUALITY
Part 1 - TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
Chapter 112 - CONTROL OF AIR POLLUTION FROM SULFUR COMPOUNDS
Subchapter C - CONTROL OF SULFURIC ACID
Section 112.41 - Allowable Emissions
Universal Citation: 30 TX Admin Code § 112.41
Current through Reg. 50, No. 13; March 28, 2025
(a) No person may cause, suffer, allow, or permit emissions of sulfuric acid from a source or sources operated on a property or multiple sources operated on contiguous properties to exceed:
(1) a net ground level
concentration of 15 ug per cubic meter of air averaged over any 24-hour
period;
(2) a net ground level
concentration of 50 ug per cubic meter of air averaged over a one-hour period
of time more than once during any consecutive 24-hour period; or
(3) one hundred ug per cubic meter of air
maximum at any time.
(b) No person may cause, suffer, allow, or permit emissions of sulfuric acid mist from any sulfuric acid or oleum facility that burns elemental sulfur, alkylation acid, hydrogen sulfide, organic sulfides, mercaptans, or acid sludge by the contact process to exceed 0.50 pound per ton (0.25 gram per kilogram) of 100% sulfuric acid produced.
(1) Sulfuric
acid mist emissions affected by this subsection shall be expressed as sulfuric
acid and shall include liquid mist, sulfur trioxide, and sulfuric acid vapor as
measured by Test Method 8 (40 Code of Federal Regulations 60, Appendix A) or an
equivalent measurement method which has been approved by the executive
director.
(2) Sulfuric acid plants
or facilities used exclusively as sulfur dioxide control systems, chamber
process plants, acid concentrators, or oleum storage and transfer facilities
are exempt from this section.
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