Republic Steel, f/k/a Republic Engineered Products, Inc - Permitting Information

1. Facility Information

Republic Steel, f/k/a Republic Engineered Products, Inc

2. Location

1807 28th Street, Lorain Ohio, Lorain County

3. Distance from US/Canada Border

Approximately 20 miles

4. Facility Type and Size

• Steel production facility
• 150 ton per hour electric arc furnace
• 65 MMBtu/hr natural gas-fired package boiler

5. Sources of Emissions

• Electric arc furnace
• Package boiler
• Flux and carbon material handling and storage system
• Roadways and parking areas

6. Type of Fuel

Natural gas

7. Type and Quantity of Emissions

Electric Arc Furnace:

• PM10 (filterable and condensable) emissions shall not exceed 0.0034 gr/dscf.
• PM2.5 (filterable and condensable) emissions shall not exceed 0.0033 gr/dscf.
• SO2 emissions shall not exceed 0.63 lb/ton as calculated on a weighted average basis for all heats over a rolling, 12-month period.
• NOx emissions shall not exceed 0.50 lb/ton.
• Pb emissions shall not exceed 0.000007 gr/dscf and 0.22 ton/yr.
• CO emissions shall not exceed 3.5 lbs/ton and 2,100 tons/yr as a rolling, 12-month summation.
• VOC emissions shall not exceed 0.20 lb/ton, and 120 tons/yr as a rolling, 12-month summation.
• SO2 emissions shall not exceed 378.9 tons/yr as a rolling, 12-month summation.
• NOx emissions shall not exceed 300 tons/yr as a rolling, 12-month summation.
• Hg emissions shall not exceed 0.0000045 gr/dscf and 0.14 ton/yr.
• PE/PM (filterable) emissions shall not exceed 0.0052 gr/dscf from the exhaust of the melt shop baghouse (No. EAFBH01).
• Visible particulate emissions from the melt shop baghouse (No. EAFBH01) shall not exceed three (3) percent opacity as a six-minute average.
• Visible particulate emissions of fugitive dust from the melt shop due to operation of the EAF shall not exceed six (6) percent opacity as a six-minute average.
• Visible particulate emissions from the melt shop baghouse (No. EAFBH01) dust handling equipment shall not exceed ten (10) percent opacity as a six-minute average.
• Visible particulate emissions of fugitive dust from the melt shop due to operation of the EAF shall not exceed six (6) percent opacity as a six-minute average.

Package Boiler:

• Nitrogen oxides (NOx) emissions shall not exceed 0.07 lb/MMBtu (as measured at the maximum firing condition).
• Particulate emissions (PE) shall not exceed 0.53 lb/hr and 0.12 tpy.
• Sulfur dioxide (SO2) emissions shall not exceed 0.037 lb/hr and 0.16 tpy.
• Carbon monoxide (CO) emissions shall not exceed 0.04 lb/MMBtu (as measured at the maximum firing condition) and 11.4 tpy.
• Volatile organic compounds (VOC) emissions shall not exceed 0.35 lb/hr and 1.52 tpy.
• PE shall not exceed 0.020 lb/MMBtu of actual heat input.
• Visible particulate emissions from the stack serving this emissions unit shall not exceed 20% opacity as a 6-minute average, except as provided by the rule.

Flux and Carbon Handling and Storage:

• PM10 shall not exceed 0.08 lb/hr and 0.12 tpy.
• PM2.5 shall not exceed 0.012 lb/hr and 0.02 tpy.
• Visible particulate emissions from the stack serving this emissions unit shall not exceed 20% opacity as a 6-minute average, except as provided by the rule.
• Visible emissions of fugitive dust from the material handling operations shall not exceed 20% opacity as a 3-minute average.

Roadways and Parking Areas:

• PM10 emissions shall not exceed x tons/yr.
• PM2.5 emissions shall not exceed x tons/yr.
• Visible particulate emissions from any unpaved roadway or parking area shall not exceed 10 percent opacity.
• Visible particulate emissions from any paved roadway or parking area shall not exceed 10 percent opacity.

8. Emission Control Technology

Electric Arc Furnace:

• Direct-shell evacuation control system with adjustable air gap and water-cooled elbow and duct
• Melt shop canopy hood system
• Baghouse
• Scrap Management Plan

Package Boiler:

• Proper burner design and good natural gas combustion practices

Flux and Carbon Handling and Storage:

• The use of a three-wall and roofed enclosure with dust capture hood tied to the melt shop baghouse.
• The use of melt shop roof canopy tied to melt shop baghouse.

Roadways and Parking Areas:

• In accordance with the permittee's permit application, the permittee has committed to treat the unpaved roadways and parking areas with water and/or any other suitable dust suppression chemicals and the paved roadways and parking areas with water and by sweeping, at sufficient treatment frequencies to ensure compliance.

9. Date Permit Application Received

December 16, 2011

10. Stack Height and Diameter

150 ft, 21 ft

11. Permit Agency Contact