# ARIZONA DEPARTMENT

,- 

### OF 

# ENVIRONMENTALQUALITY 1 1 10West 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 94105 Air Division, AIR 

# -q U.S. EPA, REGION 9



### RE: Submittal of Maricopa County Rules 300,3 10,310.01,314,316,and OrdinanceP-26, revisingthe 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 ProtectionAgency (EPA), Maricopa County Rules 300,3 10,310.01, 3 14,316,and Ordinance P-26, asrevisions to the Maricopa County portion of the Arizona State ImplementationPlan (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 PMlofor the Maricopa County Nonattainment Area. Rule 300 was amended to establish new procedures when conducting opacity tests. Rule 3 10 was amendedto establish mandatory training and certification for dust control coordinators.The amendmentsrequire 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 amendedto establish mitigation measuresto 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 ofthe 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 recycledpaper

### Mr. Nastri June 26,2008 Page 2

Rule 3 16was 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 fuepits, 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: ColleenMcKaughan, EPA, w/o enclosures Jo Cnunbaker, Maricopa County Air Quality Control District, w/o enclosures Nancy Wrona, ADEQ, w/o enclosures