Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0002 - Air Quality
Chapter 8 - Nonattainment Area Regulations
Section 8-2 - Sweetwater County Particulate Matter Regulations

Table (i) Stauffer Chemical Company of Wyoming, Green River Soda Ash Plant.

Table (ii) Allied Chemical Corporation, Green River Works.

Table (iii) FMC Corporation, Green River.

Table (iv) Church and Dwight Company

Unpaved Roads - Pave all roads in facility areas that encounter frequent traffic and maintain such roads in a clean condition through the use of a vacuum sweeper as required. Complete: November 30, 1980.

Distressed Area - Reclaim the distressed area outside the east fence or apply suitable soil binders. Complete: December 1, 1981.

Coal Stockpile - The active coal stockpile is to be enclosed or a dust suppression system installed and used during periods of activity. Complete: December 31, 1982.

Equipment Movement - Equipment movement around the periphery of the trona stockpile should be further reduced. Complete: June 1, 1979.

Stockpile - Installation and effective operation of the following abatement program elements is required to control excessive fugitive emissions from the coal handling facilities.

Ore Stockpile - Install and utilize a variable height boom so that the free fall distance of the ore is held to a minimum. A shroud (wind shield) to contain the ore as much as possible after it drops from the end of the boom is to be installed and utilized. Complete: July 1981.

Product Loadout - Rail loadout facilities are to be equipped with hoods around product chutes of adequate size to cap hatches of slot and portal top rail cars. The resultant dust generated due to displacement should be aspirated to adequate dust collectors. The above requirements will also apply to any truck bulk product loadout facilities. Maintenance or redesigning of existing baghouse collectors will also be necessary at these facilities. Complete: September 1982.

Product Handling and Storage - Product silo vents are to be equipped with dust collectors. Proper maintenance and/or redesign of existing dust collectors is also required in this area. Complete: September 1982.

Crusher Area - The removing of accumulated dust from crusher building by sweeping or dumping the material outside the building is to be eliminated. Housekeeping chores in this area as well as other areas are to be accomplished by the use of a vacuum system and dust collector. Existing baghouse collectors are to be properly maintained and if necessary other control measures installed and utilized at all transfer points in and around the crusher area. Complete: September 1982.

Overflow Chutes - Overflow or spillover chutes which discharge in the open are to be eliminated or emptied into closed containers. Complete: March 1979.

Unpaved Roads - All roads within the facility area that encounter frequent traffic are to be paved and maintained in a clean condition through the use of a vacuum sweeper as required. All other less frequently used roads are to be treated with oil or other suitable dust suppressants. Complete: September 1982.

Distressed Areas - Distressed areas to the south of the facility which contain distressed product piles and tailing pond dredgings are to be reclaimed and treated with dust suppressants. Complete: September 1979.