1. 2 0 0 4 2 0 0 4 _________________________ U p d a t e O n M a r i c o p a C o u n t y ’ s F u g i t i v e D u s t C o n t r o l R u l e s ____________________________

2. Recent Changes to Rule 310 Rule 310 applies to dust generating operations: Land Clearing Earthmoving Weed Abatement ConstructionDemolition Bulk Material Handling Storage/Transporting Equipment Vehicle Use Operation Of Outdoor Equipment Unpaved Parking Lots

3. Some work practice requirements for dust generating operations are new and some have changed…

4. New requirement: Soil type statement/description is required for all dust generating operations 1 acre or larger

6. Changed requirement: Water application system must be on-site for dust generating operations 1 acre or larger, unless a visible crust is maintained or the soil is sufficiently damp

7. Changed requirement: Trackout control device is required for dust generating operations 2 acres or larger

8. Changed requirement: Project information sign must include permit holder name and permit number

9. Changed requirement: Daily recordkeeping must include records on street sweeping, water applications, and maintenance of trackout control devices, gravel pads, fences, wind barriers, and tarps

10. Summary Of Work Practice Requirements 0.10 Acre – Less Than 1 Acre 1 Acre – Less Than 2 Acres 2 Acres – Less Than 5 Acres Or Larger Dust Control/ DemolitionPermit Dust Control Plan Water Source On-Site Soil Type Statement Trackout Control Device Project Information Sign Recordkeeping

11. Rule 310 Work in Progress Revising earthmoving application forms Revising earthmoving application forms Revising Rule 310 guidance Revising Rule 310 guidance Enforcement Review and update stationary source inspector training for fugitive dust sources

12. Enforcement Statistics Enhanced enforcement began May 2000 915 NOVs resulting in penalties $1,642,345 in penalties collected

13. Future Tasks Manpower and Resources Review program workload Identify funding sources Revise Rule 280 Fees Prepare a timeline to acquire additional staff

14. Enforcement: Develop proactive vacant lot/open area inspection program Note: Law enforcement has a role to address property crime once lot is brought into compliance.

15. Future Rule Changes Revise Rule 310.01Fugitive Dust from Open Areas, Vacant Lots, Unpaved Parking Lots and Unpaved Roads Revise Rule 316 Non-metallic Mineral Processing Develop new rule for brick and clay product manufacturing Stakeholder process may recommend future changes to Rule 310 Fugitive Dust