Arizona Administrative Code › Title 18 - ENVIRONMENTAL QUALITY › Chapter 2 - DEPARTMENT OF ENVIRONMENTAL - QUALITY AIR POLLUTION CONTROL › Article 13 - STATE IMPLEMENTATION PLAN RULES FOR SPECIFIC LOCATIONS › Part D - ARIZONA REGIONAL HAZE CLASS I AREAS › Section R18-2-D1301 - Definitions for R18-2-D1302 and R18-2-D1303

Current through Register Vol. 30, No. 28, July 12, 2024
The following definitions apply to R18-2-D1302 and
					 R18-2-D1303:
1. "Average Daily Vehicle
				  Trips (ADT)" means the average number of vehicles that cross a given point on a
				  road over a 24-hour period.
2.
				  "Bulk material" means any material, including but not limited to earth, rock,
				  silt, sediment, sand, gravel, soil, fill, aggregate less than 2 inches in
				  length or diameter, dirt, mud, demolition debris, trash, cinders, pumice, saw
				  dust, and dry concrete, which are capable of producing fugitive dust.
3. "Class I area" means any international
				  park, national wilderness area and national memorial park that exceeds 5,000
				  acres, or any national park that exceeds 6,000 acres, which are designated
				  under the Clean Air Act as mandatory Federal Class I areas in order to
				  preserve, protect and enhance air quality. The full list of Arizona Federal
				  Class I areas as of the effective date of this Part is defined at
				  40 CFR
				  81.403.
4. "Chemical stabilizer/dust suppressant"
				  means hygroscopic material, solution of water and chemical surfactant foam,
				  non-toxic chemical stabilizer or any other dust palliative, which is not
				  prohibited by the U. S. Environmental Protection Agency (EPA), the Arizona
				  Department of Environmental Quality (ADEQ), or any applicable law or
				  regulation, as a treatment material for reducing fugitive dust
				  emissions.
5. "Clean gravel" means
				  a mineral or rock aggregate ranging in size from 0.25 to 3 inches on its
				  longest dimension that is either natural or the product of a mineral processing
				  operation and contains no more than 6% silt by weight.
6. "Construction" means building a capital
				  improvement resting upon, connected to or buried in the earth; modifications to
				  existing structures, including additions, alterations, conversions, expansions,
				  reconstruction, renovations, rehabilitations, and major replacements; or
				  installing infrastructure associated with a new or modified structure, such as
				  roads, flood structures, drainage works and irrigation works, and installation
				  of above- or below-ground utilities.
7. "Construction site" means any property or
				  portion of a property upon which dust generating operations occur as a result
				  of construction.
8. "Disturbed
				  Surface Area" means any portion of the earth's surface that has been physically
				  moved, uncovered, destabilized, or otherwise modified from its undisturbed
				  natural condition.
9. "Dust
				  generating operations" means any activity capable of generating fugitive dust,
				  including but not limited to:
a. Earthmoving
				  activities;
b. Land clean-up,
				  leveling, back filling;
c.
				  Drilling;
d.
				  Construction;
e.
				  Demolition;
f. Bulk material
				  handling, storage or transporting operations;
g. Operation of motorized machinery used in
				  Construction;
h. Establishing or
				  using unpaved parking lots, haul/access roads within a construction site; or
i.  Installing initial landscapes
				  using mechanized equipment.