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Agricultural Programs for Controlling Particulate Matter Pollution

Agricultural Programs for Controlling Particulate Matter Pollution. Ira Domsky, Deputy Director Air Quality Division presented to Western State Air Resources Council September 26, 2006. Overview. PM monitoring in Maricopa County and the bad winter

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Agricultural Programs for Controlling Particulate Matter Pollution

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  1. Agricultural Programs for Controlling Particulate Matter Pollution Ira Domsky, Deputy Director Air Quality Division presented to Western State Air Resources Council September 26, 2006

  2. Overview • PM monitoring in Maricopa County and the bad winter • Where agriculture fits in the picture • Arizona’s Agricultural Best Management Practices Program

  3. 24-hr Avg. Standard Annual Avg. Standard

  4. Monitors with PM10 ExceedancesNov. ’05 thru Mar ’06 - 50 on 30 days Durango – 20 Greenwood – 2 W. 43rd – 21 W. Phoenix – 1 Bethune School – 1 4 1

  5. December 12, 2005, 8:30amVisibility = 8 mi.

  6. Ag and PM10: Background • Failure to address 24-hour average PM10 violations in the 1994 Plan resulted in adverse Court of Appeals decision • ADEQ developed “micro-scale” PM10 plan in 1996 to address this issue • Four sites with violating monitors evaluated • Controls to remedy violations would apply throughout the nonattainment area

  7. Ag and PM10: Background • Attainment could be demonstrated at all sites except West Chandler • As a result, EPA disapproved the plan in part, and, in April 1998, proposed a Federal Plan that included an Ag BMP program • Arizona countered with legislation requiring ADEQ to adopt Ag BMP rules • August 1998 Final Federal Plan did not include Ag BMP program

  8. Ag and PM10: Background • ADEQ, through the Ag BMPs Committee, developed current program • Submitted to EPA in 2001, subsequently approved • Approval upheld in 2004 Court decision

  9. Agricultural Best Management Practices • Applicability • Commercial farms ≥10 acres • All lands involved in farming: • Crop land (includes fallow fields) • Non-crop land (roads, staging areas) • Tilling and harvest

  10. Agricultural Best Management Practices • Requirements • Implement at least one BMP for each land type and activity • Maintain a record of selected BMPs and make available upon request • Noncompliance subjects farmer to acquiring an individual permit, which is enforceable under permitting statutes and rules

  11. Agricultural Best Management Practices • Compliance and Technical Assistance • Complaint based • 1 FTE in ADEQ dedicated to complaint response and compliance assistance • 1 FTE at Az Dept. of Ag provides training and technical assistance See www.azda.gov/ACT/AirQuality.htm for more information

  12. Agricultural Best Management Practices • Yuma County • Nonattainment for PM10, but has 3 years of clean data (now) • Redesignation derailed by a natural event; NEAP prepared that included an Ag BMPs program (under a separate rule) • Maintenance plan submitted and awaiting approval

  13. Agricultural Best Management Practices See www.azdeq.gov/environ/air/prevent/pcp.html#bmp for statutes and rules

  14. Other Dust Control Programs for Ag • San Joaquin Valley AQMD Conservation Management Practices • Very similar to Arizona program • Farms ≥ 350 acres; also covers engines • Requires submittal of reports to AQMD • Other requirements for livestock operations and dairies • www.valleyair.org/General_Info/AGLoader.htm • Imperial County AQMD

  15. Questions?

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