NR 463.25(4)(f)(f) You may use a previous performance test conducted since December 22, 2002 to establish an operating limit, provided the test meets the requirements of this subchapter. NR 463.25(5)(5) How do I demonstrate initial compliance with the emission limitations that apply to me? NR 463.25(5)(a)1.1. For each electric arc metal melting furnace, electric induction metal melting furnace, or scrap preheater at an existing iron and steel foundry you demonstrate one of the following: NR 463.25(5)(a)1.a.a. The average PM concentration in the exhaust stream, determined according to the performance test procedures in sub. (3) (a), did not exceed 0.005 gr/dscf. NR 463.25(5)(a)1.b.b. The average total metal HAP concentration in the exhaust stream, determined according to the performance test procedures in sub. (3) (b), did not exceed 0.0004 gr/dscf. NR 463.25(5)(a)2.2. For each cupola metal melting furnace at an existing iron and steel foundry you demonstrate one of the following: NR 463.25(5)(a)2.a.a. The average PM concentration in the exhaust stream, determined according to the performance test procedures in sub. (3) (a), did not exceed 0.006 gr/dscf. NR 463.25(5)(a)2.b.b. The average total metal HAP concentration in the exhaust stream, determined according to the performance test procedures in sub. (3) (b), did not exceed 0.0005 gr/dscf. NR 463.25(5)(a)3.3. For each cupola metal melting furnace or electric arc metal melting furnace at a new iron and steel foundry you demonstrate one of the following: NR 463.25(5)(a)3.a.a. The average PM concentration in the exhaust stream, determined according to the performance test procedures in sub. (3) (a), did not exceed 0.002 gr/dscf. NR 463.25(5)(a)3.b.b. The average total metal HAP concentration in the exhaust stream, determined according to the performance test procedures in sub. (3) (b), did not exceed 0.0002 gr/dscf. NR 463.25(5)(a)4.4. For each electric induction metal melting furnace or scrap preheater at a new iron and steel foundry you demonstrate one of the following: NR 463.25(5)(a)4.a.a. The average PM concentration in the exhaust stream, determined according to the performance test procedures in sub. (3) (a), did not exceed 0.001 gr/dscf. NR 463.25(5)(a)4.b.b. The average total metal HAP concentration in the exhaust stream, determined according to the performance test procedures in sub. (3) (b), did not exceed 0.00008 gr/dscf. NR 463.25(5)(a)5.5. For each pouring station at an existing iron and steel foundry you demonstrate one of the following: NR 463.25(5)(a)5.a.a. The average PM concentration in the exhaust stream, measured according to the performance test procedures in sub. (3) (a), did not exceed 0.010 gr/dscf. NR 463.25(5)(a)5.b.b. The average total metal HAP concentration in the exhaust stream, determined according to the performance test procedures in sub. (3) (b), did not exceed 0.0008 gr/dscf. NR 463.25(5)(a)6.6. For each pouring area or pouring station at a new iron and steel foundry you demonstrate one of the following: NR 463.25(5)(a)6.a.a. The average PM concentration in the exhaust stream, measured according to the performance test procedures in sub. (3) (a), did not exceed 0.002 gr/dscf. NR 463.25(5)(a)6.b.b. The average total metal HAP concentration in the exhaust stream, determined according to the performance test procedures in sub. (3) (b), did not exceed 0.0002 gr/dscf. NR 463.25(5)(a)7.7. For each building or structure housing any emission source at the iron and steel foundry, the opacity of fugitive emissions discharged to the atmosphere, determined according to the performance test procedures in sub. (3) (c), did not exceed 20% averaged over 6-minutes, except for one 6-minute average per hour that did not exceed 27% opacity. NR 463.25(5)(a)8.8. For each cupola metal melting furnace at a new or existing iron and steel foundry, the average VOHAP concentration, determined according to the performance test procedures in sub. (3) (d), did not exceed 20 ppmv corrected to 10% oxygen. NR 463.25(5)(a)9.9. For each scrap preheater at an existing iron and steel foundry that does not meet the work practice standards in s. NR 463.23 (2) (e) 1. or 2., and for each scrap preheater at a new iron and steel foundry that does not meet the work practice standard in s. NR 463.23 (2) (f), the average VOHAP concentration determined according to the performance test procedures in sub. (3) (d), did not exceed 20 ppmv. NR 463.25(5)(a)10.10. For one or more automated conveyor and pallet cooling lines that use a sand mold system or automated shakeout lines that use a sand mold system at a new foundry you demonstrate both of the following: NR 463.25(5)(a)10.a.a. You have reduced the data from the CEMS to 3-hour averages according to the performance test procedures in sub. (3) (e). NR 463.25(5)(a)10.b.b. The 3-hour flow-weighted average VOHAP concentration, measured according to the performance test procedures in sub. (3) (e), did not exceed 20 ppmv. NR 463.25(5)(a)11.11. For each TEA cold box mold or core making line in a new or existing iron and steel foundry, the average TEA concentration, determined according to the performance test procedures in sub. (3) (f) did not exceed 1 ppmv or was reduced by 99%.