You can reduce it by sprinkling water at the sites from the trucks, covering the all the trucks entering the sites, netting system, keeping low vehicle speed at unpaved road. For more detail you can see the file attached.
Dear Radhey Shyam
The following practices are considered feasible for controlling fugitive dust from a construction site.
1. Water all exposed surfaces two times daily. Exposed surfaces include, but are not limited to soil piles, graded areas, unpaved parking areas, staging areas, and access roads.
2. Cover or maintain at least two feet of free board space on haul trucks transporting soil, sand, or other loose material on the site. Any haul trucks that would be travelling along freeways or major roadways should be covered.
3. Use wet power vacuum street sweepers to remove any visible track out mud or dirt onto adjacent public roads at least once a day. Use of dry power sweeping is prohibited.
4. Limit vehicle speeds on unpaved roads to 15 miles per hour (mph).
5. All roadways, driveways, sidewalks, parking lots to be paved should be completed as soon as possible. In addition, building pads should be laid as soon as possible after grading unless seeding or soil binders are used.
The following practices describe exhaust emission control from diesel powered fleets working at a construction site. California regulations limit idling from both on-road and off-road diesel powered equipment. The California Air Resources Board enforces the idling limitations.
1 Minimize idling time either by shutting equipment off when not in use or reducing the time of idling to 5 minutes
2 Although not required by local or state regulation, many construction companies have equipment inspection and maintenance programs to ensure work and fuel efficiencies. Maintain all construction equipment in proper working condition according to manufacturer’s specifications. The equipment must be checked by a certified mechanic and determine to be running in proper condition before it is operated. Lead agencies may add these emission control practices as Conditions of Approval or include in a Mitigation Monitoring and Reporting Program .
Good Luck!
Prem Baboo
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