1. (a) The owner or operator of a small, medium, or large HMIWI unit shall conduct an initial performance test as required by 40 CFR 60.8 to determine compliance with the emission limits as set forth in Env-A 3505, using the following requirements, procedures, and test methods:

   1. (1) The use of a bypass stack during a performance test shall invalidate the performance test;
   2. (2) All performance tests shall consist of a minimum of 3 test runs conducted under the representative operating conditions;
   3. (3) The minimum sample time shall be one hour per test run unless otherwise stated; and

   4. (4) For the purposes of determining compliance with Env-A 3505, the following reference methods from 40 CFR 60 Appendix A shall be used:

      1. a. Method 1 to select the sampling location and number of traverse points;
      2. b. Method 3 or 3A for gas composition analysis, including measurement of oxygen concentration;
      3. c. Method 5 to measure the particulate matter emissions;
      4. d. Method 9 to measure stack opacity;
      5. e. Method 10 or 10B to measure the carbon monoxide emissions;
      6. f. Method 23 or the method described in (d), below, to measure total dioxins/furans emissions, which shall have a minimum sample time of 4 hours per test run;
      7. g. Method 26 or the method described in (e), below, to measure hydrogen chloride emissions; and
      8. h. Method 29 or the method described in (g), below, to measure lead, cadmium, and mercury emissions.

2. (b) To correct pollutant concentrations to 7 percent oxygen as specified in (c), below, the following shall apply:

   1. (1) “Cadj” means the pollutant concentration adjusted to 7 percent oxygen;
   2. (2) “Cmeas” means the pollutant concentration measured on a dry basis;
   3. (3) The defined oxygen correction basis shall be 20.9 less a correction factor of 7;
   4. (4) The oxygen concentration in air shall be 20.9; and
   5. (5) “%O2” means the oxygen concentration measured on a dry basis in percent.

3. (c) To correct pollutant concentrations to 7 percent oxygen, the HMIWI owner or operator subject to the provisions of this chapter shall calculate the defined oxygen correction basis, divide by the difference between 20.9 and %O2, and then multiply the result by Cmeas, as in the formula below:

   C_adj = (20.9 - 7)/(20.9 - %O₂) x C_meas

4. (d) If the owner or operator of the HMIWI unit has selected the toxic equivalency standards for dioxins/furans under Env-A 3505, the following procedures shall be used to determine compliance with the dioxins/furans emission limit:

   1. (1) The concentration of each dioxin/furan tetra- through octa-congener listed in Table 3500-3, that is emitted, shall be measured using EPA Reference Method 23 in 40 CFR 60 Appendix A;
   2. (2) For each dioxin/furan congener measured in accordance with (1), above, the congener concentration shall be multiplied by its corresponding equivalency factor as specified in Table 3500-3; and
   3. (3) The products calculated in accordance with (2), above, shall be added to obtain the total concentration of dioxins/furans emitted in terms of toxic equivalency.

5. (e) If the owner or operator of the HMIWI unit has selected the percentage reduction standards for hydrogen chloride pursuant to Env-A 3505.02, to calculate the percentage reduction in hydrogen chloride, then for the purposes of (f), below, the following shall apply:

   1. (1) “%RHCl” means the percentage reduction of hydrogen chloride achieved;
   2. (2) “Ei” means the hydrogen chloride concentration measured at the control device inlet, corrected to 7 percent oxygen on dry basis; and
   3. (3) “Eo” means the hydrogen chloride emission concentration measured at the control device outlet, corrected to 7 percent oxygen on dry basis.

6. (f) To calculate the percentage reduction in hydrogen chloride, the owner or operator of the HMIWI unit shall calculate the difference between Ei and Eo, divide the difference by Ei, and multiply the result by 100, as in the formula below:

   %R_HCl = ((E_i - E_o)/E_i) x 100

7. (g) If the owner or operator of the HMIWI unit has selected the percentage reduction standards for metals, in particular lead or cadmium, pursuant to Env-A 3505.02, to calculate the percentage reduction in metal, then for the purposes of (h), below, the following shall apply:

   1. (1) “%Rmetal” means the percentage reduction of metal achieved;
   2. (2) “Ei” means the metal concentration measured at the control device inlet, corrected to 7 percent oxygen on dry basis; and
   3. (3) “Eo” means the metal emission concentration measured at the control device outlet, corrected to 7 percent oxygen on dry basis.

8. (h) To calculate the percentage reduction in metal, in particular lead or cadmium, the owner or operator of the HMIWI unit shall calculate the difference between Ei and Eo, divide the difference by Ei, and multiply the result by 100, as in the formula below:

   %R_metal = ((E_i - E_o)/E_i) x 100

9. (i) For the purposes of calculating toxic equivalency standards for dioxins/furans pursuant to (d), above, the toxic equivalency factors listed for each dioxin/furan congener in Table 3500-3, as set forth in (j), below, shall be used.

10. (j) Toxic equivalency factors for dioxin/furan cogeners shall be as set forth in Table 3500-3, as follows:

    TABLE 3500-3 TOXIC EQUIVALENCY FACTORS FOR DIOXIN/FURAN COGENERS

    Dioxin/furan congener

    Toxic Equivalency Factor

    2,3,7,8-tetrachlorinated dibenzo-p-dioxin

    1

    1,2,3,7,8-pentachlorinated dibenzo-p-dioxin

    0.5

    1,2,3,4,7,8-hexachlorinated dibenzo-p-dioxin

    0.1

    1,2,3,7,8,9-hexachlorinated dibenzo-p-dioxin

    0.1

    1,2,3,6,7,8-hexachlorinated dibenzo-p-dioxin

    0.1

    1,2,3,4,6,7,8-heptachlorinated dibenzo-p-dioxin

    0.01

    octachlorinated dibenzo-p-dioxin

    0.001

    2,3,7,8-tetrachlorinated dibenzofuran

    0.1

    2,3,4,7,8-pentachlorinated dibenzofuran

    0.5

    1,2,3,7,8-pentachlorinated dibenzofuran

    0.05

    1,2,3,4,7,8-hexachlorinated dibenzofuran

    0.1

    1,2,3,6,7,8-hexachlorinated dibenzofuran

    0.1

    1,2,3,7,8,9-hexachlorinated dibenzofuran

    0.1

    2,3,4,6,7,8-hexachlorinated dibenzofuran

    0.1

    1,2,3,4,6,7,8-heptachlorinated dibenzofuran

    0.01

    1,2,3,4,7,8,9-heptachlorinated dibenzofuran

    0.01

    octachlorinated dibenzofuran

    0.001

11. (k) Operating parameter limits shall not apply during performance tests.
12. (l) Operation at times other than during established repeat performance tests above the maximum charge rate or below the minimum secondary chamber temperature shall constitute violation of the established operating parameter(s).
13. (m) Operation of the HMIWI unit at times other than during established repeat performance tests above the maximum charge rate and below the minimum secondary chamber temperature simultaneously, both measured as 3-hour rolling averages except for batch units which shall be measured on a 24-hour basis, shall constitute violation of the particulate matter, carbon monoxide, and dioxin/furan emission limits.
14. (n) The owner or operator of an HMIWI unit shall conduct a repeat performance test within 30 days of violation of an applicable operating parameter(s) to demonstrate that the designated unit is no longer in violation of the applicable emission limit(s). Repeat performance tests conducted pursuant to this paragraph shall be conducted using the identical operating parameters as were in effect at the time that a violation was indicated.

Source. #6938, eff 1-30-99; amd by #7127, eff 10-30-99; ss by #8788, eff 1-5-07