ARIZONA DEPARTMENT 

,- OF 

ENVIRONMENTAL QUALITY 

1 1 10 West Washinaton Street Phoenix. Arizona 85007 

Janet Napolitano 

Governor 

Stephen A. Owens 

Director 

JUL 1 0 2008 

RECEIVED 

Mr. Wayne Nastri, Regional Administrator 

U.S. Environmental Protection Agency, Region IX 

Mail Code: ORA-1 

75 Hawthorne Street 

San Francisco, CA 941 05 

Air Division, AIR -q 

U.S. EPA, REGION 9 

RE: Submittal of Maricopa County Rules 300,3 10,3 10.01,3 14,3 16, and Ordinance P-26, revising the 

Maricopa County Portion of the Arizona State Implementation Plan 

- Dear Mr. Nastri: 

Consistent with the provisions of Arizona Revised Statutes $5 49-104,49-404,49-406, and the Code of 

Federal Regulation, Title 40, the Arizona Department of Environmental Quality hereby adopts and 

submits to the U.S. Environmental Protection Agency (EPA), Maricopa County Rules 300,3 10,3 10.01, 

3 14,3 16, and Ordinance P-26, as revisions to the Maricopa County portion of the Arizona State 

Implementation Plan (SIP). This series of new rules and revisions was adopted by Maricopa County in 

response to air-quality requirements in Senate Bill 1552 and Maricopa Association of Government's Five 

Percent Plan for PMlo for the Maricopa County Nonattainment Area. 

Rule 300 was amended to establish new procedures when conducting opacity tests. 

Rule 3 10 was amended to establish mandatory training and certification for dust control 

coordinators. The amendments require the presence of a control coordinator at all times at sites 

more than one acre in size where a dust control permit has been issued. Rule 3 10 also now 

requires trackout clean-up for gutters, sidewalks, and curbs, in addition to public roadways. 

Rule 3 10.01 was amended to establish mitigation measures to prevent trackout from unpaved 

parking lots and livestock areas. The amendments include a provision authorizing the County to 

pave any unpaved parking lot at the property owner's expense if the owner fails to comply with a 

3 0 day notification letter. 

Rule 3 14 was amended to establish a restricted burn period for the duration of the MaylSeptember 30 ozone season and restrictions on the use of indoor fireplaces at commercial 

establishments. The amendments also include additional restrictions on the operation of air 

curtain destructors. 

rNorthern Regional Office Southern Regional Office 

1801 W. Route 66 Sulte 11 7 Flagstaff, A2 86001 400 West Congress Street Suite 433 Tucson, A2 85701 

(928) 779-031 3 (520) 628-6733 

Printed on recycled paper 
Mr. Nastri 

June 26,2008 

Page 2 

Rule 3 16 was amended to establish a minimum moisture content of four-percent at nonmetallic 

mineral processing plants. 

P-26 was amended to prohibit the use of chimneas, outdoor fue pits, and other similar outdoor 

fires when a high pollution advisory (HPA) for particulate matter (PM) has been issued for Area 

A. 

Enclosure 2 contains the collective SIP Completeness Checklist. Enclosure 3 contains two paper copies 

and one electronic copy of each new or amended rule. 

If you have any questions, please do not hesitate to contact Nancy Wrona, Director, Air Quality Division, 

at (602) 77 1-2308. 

Sincerely, 

Director 

Enclosures (3) 

cc: Colleen McKaughan, EPA, w/o enclosures 

Jo Cnunbaker, Maricopa County Air Quality Control District, w/o enclosures 

Nancy Wrona, ADEQ, w/o enclosures