Ill. Admin. Code tit. 35, § 212.207
a) No person, while simultaneously burning more than one type of fuel in a fuel combustion emission unit, shall cause or allow the emission of particulate matter into the atmosphere in any one hour period in excess of the following equation:
E = AS + BL
where
| E | = | Allowable emission rate; |
| A | = | Solid fuel particulate emission standard which is applicable; |
| B | = | Constant determined from the table in subsection (b); |
| S | = | Actual heat input from solid fuel; |
| L | = | Actual heat input from liquid fuel. |
b) The metric and English units to be used in the equation of subsection (a) of this Section are as follows:
| Parameter | Metric | English |
| E | kg/hr | lbs/hr |
| A | kg/MW-hr | lbs/mmbtu |
| B | 0.155 | 0.10 |
| S | MW | mmbtu/hr |
| L | MW | mmbtu/hr |
(Source: Amended at 20 Ill. Reg. 7605, effective May 22, 1996)