Current through Register Vol. 25-01, January 1, 2025
Section 465 - SULFURIC ACID PLANTS465.1 It shall be unlawful for any person to operate a contact type sulfuric acid plant for any cause or allow the following types of air contaminants to be emitted to the atmosphere in excess of the following emission rates per ton of sulfuric acid produced expressed as 100% sulfuric acid: 465.11 Existing plants ten (10) pounds and new plants, as of the effective date of this subsection, four (4) pounds of sulfur dioxide tailgas emission, and;465.12 Fifteen hundredths (0.15) pound of sulfuric acid mist (including sulfur trioxide), and;465.13 Ten (10) percent opacity or greater for three minutes.465.2 The owner or operator shall install, calibrate, maintain and operate, monitoring equipment as approved by the Control Officer as follows: 465.21 At least one continuous recording meteorological station equipped to record wind speeds and direction.465.22 At least one continuous recording ground level sulfur dioxide monitor.465.23 A continuous monitoring system for the measurement of sulfur dioxide in the exhaust gas passing through the stack from the sulfur dioxide control units if required by the Control Officer.465.24 The monitoring equipment required to be installed under this Section shall comply with the equipment and performance specifications and reporting requirements as established by the Control Officer.465.3 The Control Officer shall establish and stipulate test methods and procedures to be used to determine compliance with this section based upon current test methods and procedures established by the EPA as published in the Federal Register. Wash. Admin. Code Northwest Clean Air Agency, 400, 465
PASSED: August 4, 1971 AMENDED: January 9, 1974, August 9, 1978, April 14, 1993