Agricultural programs for controlling particulate matter pollution
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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

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
Overview Pollution

  • PM monitoring in Maricopa County and the bad winter

  • Where agriculture fits in the picture

  • Arizona’s Agricultural Best Management Practices Program


24-hr Avg. Pollution

Standard

Annual Avg. Standard


Monitors with pm 10 exceedances nov 05 thru mar 06 50 on 30 days
Monitors with PM Pollution10 ExceedancesNov. ’05 thru Mar ’06 - 50 on 30 days

Durango – 20 Greenwood – 2 W. 43rd – 21

W. Phoenix – 1 Bethune School – 1

4

1


December 12 2005 8 30am visibility 8 mi
December 12, 2005, 8:30am PollutionVisibility = 8 mi.


Ag and pm 10 background
Ag and PM Pollution10: 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


Ag and pm 10 background1
Ag and PM Pollution10: 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


Ag and pm 10 background2
Ag and PM Pollution10: Background

  • ADEQ, through the Ag BMPs Committee, developed current program

  • Submitted to EPA in 2001, subsequently approved

  • Approval upheld in 2004 Court decision


Agricultural best management practices
Agricultural Best Management Practices Pollution

  • Applicability

    • Commercial farms ≥10 acres

    • All lands involved in farming:

      • Crop land (includes fallow fields)

      • Non-crop land (roads, staging areas)

      • Tilling and harvest


Agricultural best management practices1
Agricultural Best Management Practices Pollution

  • 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


Agricultural best management practices2
Agricultural Best Management Practices Pollution

  • 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


Agricultural best management practices3
Agricultural Best Management Practices Pollution

  • 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


Agricultural best management practices4
Agricultural Best Management Practices Pollution

See

www.azdeq.gov/environ/air/prevent/pcp.html#bmp

for statutes and rules


Other dust control programs for ag
Other Dust Control Programs for Ag Pollution

  • 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


Questions
Questions? Pollution