Formulas for Design and Operation, Monitoring and Testing

340-230-0120
Design and Operation

(6) Combustion efficiency. Except during periods of startup and shutdown, all waste incinerators shall achieve a combustion efficiency of 99.9 percent based on a running eight-hour average, computed as follows:

CE =

        CO₂ x 100

        (CO₂ + CO)

340-230-0340
Monitoring and Testing

(4)(b)(E) The percent reduction in the potential mercury emissions (%P_Hg) is computed using equation 1:

       (%P_Hg) = (E_i - E_o ÷ E_i) x 100

• %P_Hg = percent reduction of the potential mercury emissions achieved.
• E_i = potential mercury emission concentration measured at the control device inlet, corrected to 7 percent oxygen (dry basis).
• E_o = controlled mercury emission concentration measured at the mercury control device outlet, corrected to 7 percent oxygen (dry basis).

(6)(c) The percent reduction in potential hydrogen chloride emissions (% P_HCl) is computed using equation 2:

        (%P_HCl) = (E_i - E_o ÷ E_i) x 100

• %P_HCl =percent reduction of the potential hydrogen chloride emissions achieved.
• E_i = potential hydrogen chloride emission concentration measured at the control device inlet, corrected to 7 percent oxygen (dry basis).
• E_o =controlled hydrogen chloride emission concentration measured at the control device outlet, corrected to 7 percent oxygen (dry basis).

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