SAN DIEGO COUNTY AIR POLLUTION CONTROL DISTRICT

RULE 260.41 - DEFINITIONS
(Rev. Effective 9-17-77)

As used in this subpart, all terms not defined herein shall have the meaning given them in Subpart A of this regulation.

(a)     "Fossil Fuel-Fired Steam Generating Unit" means a furnace or boiler used in the process of burning fossil fuel for the purpose of producing steam by heat transfer.

(b)     "Fossil Fuel" means natural gas, petroleum, coal, and any form of solid, liquid, or gaseous fuel derived from such materials for the purpose of creating useful heat.

(c)     "Coal Refuse" means waste-products of coal mining, cleaning, and coal preparation operations (e.g., culm, gob, etc.) containing coal, matrix material, clay, and other organic and inorganic material.

(d)     "Fossil Fuel and Wood Residue-Fired Steam Generating Unit" means a furnace or boiler used in the process of burning fossil fuel and wood residue for the purpose of producing steam by heat transfer.

(e)     "Wood Residue" means bark, sawdust, slabs, chips, shavings, mill trim and other wood products derived from wood processing and forest management operations. (Effective 9-17-77)

(f)     "Coal" means all solid fuels classified as anthracite, bituminous, subbituminous, or lignite by the American Society for Testing Material. Designation D 388-66.