Section 326IAC11-7-3. Emission limits

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The concentration of pollutants contained in the gases discharged to the atmosphere from a designated facility shall not exceed the following limits:

Pollutant	Emission Limits
Particulate matter	25 milligrams per dry standard cubic meter (mg/dscm)¹
Opacity	10% based on a 6-minute average
Cadmium	0.035 mg/dscm¹
Lead	0.400 mg/dscm¹
Mercury	0.050 mg/dscm; or 15% of the potential mercury emissions concentration^1,3
Sulfur dioxide	29 parts per million by volume (ppmv); or 20% of the potential sulfur dioxide emission concentration^3,4
Hydrogen chloride	29 ppmv; or 5% of the potential hydrogen chloride emissions concentration^2,3
Organic emission (expressed as total mass dioxins/furans)	30 nanograms per dry standard cubic meter (ng/dscm) total mass¹
Nitrogen oxides	205 ppmv²
Carbon monoxide⁵	100 ppmv⁵ (based on a 4-hour block averaging time)
¹Corrected to seven percent (7%) oxygen.
²Corrected to seven percent (7%) oxygen, dry basis.
³Whichever concentration is less stringent.
⁴Corrected to seven percent (7%) oxygen, dry basis, calculated as a 24-hour daily geometric mean.
⁵Measured at the combustor outlet in conjunction with a measurement of oxygen concentration, corrected to seven percent (7%) oxygen, dry basis, calculated as an arithmetic mean.

(Air Pollution Control Division; 326 IAC 11-7-3; filed Jan 18, 1999, 1:20 p.m.: 22 IR 1968; readopted filed Jan 10, 2001, 3:20 p.m.: 24 IR 1477; filed Jul 10, 2007, 2:23 p.m.: 20070808-IR-326060434FRA; errata filed Jul 16, 2008, 1:14 p.m.: 20080723-IR-326060434ACA)

                    
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