Pre-Approved PM₁₀ Monitoring Systems for Rule 1466 Compliance
Simplify Rule 1466 Compliance with Specto Technology
Specto Technology provides turnkey Rule 1466 monitoring solutions for remediation, brownfield redevelopment, environmental cleanup, construction, and earth-moving projects throughout California. As Aeroqual’s preferred U.S. partner, Specto has deployed hundreds of Rule 1466 monitoring systems across California, offering both rental and purchase solutions with expert support, automated reporting, and next-day shipping.
- Upwind and downwind PM10 monitoring
- 1-minute data logging
- Rolling-average evaluation
- Action-triggered response measures
- Documentation that supports defensible oversight and EPA review
Need
Rule 1466 monitoring FAST?





























































What is SCAQMD Rule 1466?
South Coast Air Quality Management District (SCAQMD) Rule 1466 – Control of Particulate Emissions from Soils with Toxic Air Contaminants protects nearby communities from exposure to contaminated dust generated during excavation and earth-moving activities.
The rule requires continuous real-time PM₁₀ monitoring using Executive Officer pre-approved monitors, upwind and downwind monitoring locations, site contribution calculations, dust suppression, and comprehensive recordkeeping.
Typical Rule 1466 Projects
| Project Types | Soil Contaminants |
|---|---|
| Brownfield Redevelopment | Lead |
| DTSC Cleanup Sites | Arsenic |
| Superfund Sites | Hexavalent Chromium |
| Industrial Redevelopment | Mercury |
| Utility Infrastructure | Asbestos |
| Excavation & Grading | Nickel & Other Metals |
Rule 1466 Monitoring Requirements
PM₁₀ Monitoring
Site Contribution
Monitoring Locations
Data Collection
Meteorological Station
Reporting
Alerts
Dust Control
Why Environmental Consultants Choose Specto
Instead of simply supplying equipment, Specto delivers complete Rule 1466 compliance solutions.
Pre-approved Rule 1466 monitors
Automated Site Contribution calculations
Cloud dashboards
Daily compliance reports
Technical onboarding
California-based support
SCAQMD Executive Officer Pre-Approved Rule 1466 Monitoring Systems
Specto Technology supplies two of the industry's most advanced Rule 1466 monitoring platforms:
Aeroqual AQS 1
- Multi-parameter air monitoring
- PM1 / PM2.5 / PM4 / PM10 / TSP
- Up to 3 gas sensors
- VOC capable
- Heated inlet
- MCERTS Certified
- Ideal for multi-parameter projects
Aeroqual Dust Sentry
- Dedicated PM₁₀ monitoring
- PM10
- PM only
- Fast deployment
- Heated inlet
- Rugged field design
- Ideal for dedicated Rule 1466 monitoring
Automated Site Contribution Software
One of the most challenging aspects of Rule 1466 is determining whether elevated PM₁₀ levels originate from your project or surrounding activities. Specto’s Rule 1466 Site Contribution Software automatically performs these calculations for you.
Rental or Purchase?
| Rental | Purchase |
|---|---|
| Immediate availability | Lower long-term costs |
| Fully assembled systems | Unlimited project use |
| Cellular communications included | Greater scheduling flexibility |
| Cloud dashboard included | Higher return on investment |
| Ideal for short-term projects | Best for frequent Rule 1466 work |
Most rental systems ship the next business day.
Why Specto Technology?
| Typical Supplier | Specto Technology |
|---|---|
| Equipment only | Complete compliance solution |
| Manual calculations | Automated Site Contribution |
| Basic data logging | Cloud reporting & dashboards |
| Generic support | Air quality specialists |
| Manual reports | Automated PDF reports |
| Limited onboarding | Full project setup before shipment |
| Basic rentals | Field-ready turnkey systems |
Request a
Rule 1466 monitoring Quote
Whether you need a rental system next week or a permanent monitoring program, Specto Technology can help. Every project includes:
- Equipment recommendations
- Dashboard configuration
- Alert setup
- Technical onboarding
- Ongoing support

