Ala. Admin. Code r. 335-3-4-.17
Current through Register Vol. 42, No. 12, September 30, 2024
Section 335-3-4-.17 - Steel Mills Located In Etowah County(1) Visible Emissions from the roof monitor or other openings in the BOF shop building, other than water mist or vapor, shall not exceed a shade or density greater than twenty percent (20%) opacity as determined on a three (3) minute rolling average. Compliance shall be determined by using the procedures specified at 40 C.F.R., Part 60, Appendix A, Method 9, excluding Section 2.5.(2) All paved roads shall be vacuum swept or flushed of surface material every third consecutive day. The vacuum sweeper shall have a minimum blower capacity of 12,000 cfm and the flushing machine shall dispense water at the rate of 0.32 gal/yd 2.(3) Paved parking areas shall be vacuum swept or flushed of surface material every calendar quarter. The vacuum sweeper shall have a minimum blower capacity of 12,000 cfm and the flushing machine shall dispense water at the rate of 0.32 gal/yd 2.(4) Paved road or area flushing specified in paragraphs (2) and (3) of this Rule is not required when the temperature is below 32° F. Paved road or area cleaning is not required when precipitation during the previous 24-hour period has exceeded 0.01 inches.(5) Unpaved roads, traffic areas in the slab storage area, and traffic areas in other material storage areas shall be treated with petroleum resin, asphalt emulsion, or equivalent dust suppressant on a quarterly or more frequent basis as determined by the Director.(6) Unpaved parking lots shall be treated with petroleum resin, asphalt emulsion, or equivalent dust suppressant on a semi-annual basis.(7) The petroleum resin or asphalt emulsion dust suppressant required in paragraphs (5) and (6) of this Rule shall be applied at a dilution ratio of 20% for the initial 3 applications and 12% for subsequent applications. The suppressant shall be applied at the rate of 0.75 gal/yd 2 of diluted solution for the initial 3 applications. Subsequent applications shall be applied at 0.25 gal/yd 2 of diluted solution. Other dust suppressants must be applied at an equivalent dilution ratio and application rate as determined by the Director.(8) The source shall maintain at its plant premises, and make available for inspection, records documenting each occasion on which paved areas are cleaned in accordance with paragraphs (2) and (3) of this Rule, and any occasion on which such paved areas are not cleaned according to the required schedule, including any justification for failure to meet the required schedule, such as equipment breakdown or inclement weather conditions. The company shall also maintain and make available for inspection records documenting the frequency and amount of applications required by paragraphs (5) and (6) of this Rule. Said records shall be maintained for a minimum of two years following the date of recorded information.(9) The source shall, within 30 days of approval of this Rule, notify the Department of a designated reclaim area on plant property and a designated paved road at its premises to be used to transport molten slag from the basic oxygen furnace shop to the reclaim area. These designations shall not be changed without the written approval of the Director. Author: Sue R. Robertson
Ala. Admin. Code r. 335-3-4-.17
Effective Date: March 23, 1982. Amended: September 18, 1985. Amended: Filed October 17, 1996; effective November 21, 1996.Statutory Authority:Code of Ala. 1975, §§ 22-28-14, 22-22A-5, 22-22A-6, 22-22A-8.