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South Coast AQMD and Rule 1466

Monitor Air Contaminants from Toxic Soil Emissions

Rule 1466

SOUTH COAST AQMD-APPROVED PARTICULATE MONITORS

TSI assisted South Coast Air Quality Management District (South Coast AQMD) in the evaluation of sensor technology and helped establish the minimum monitor requirements set forth in Appendix 1 of Rule 1466. The evaluation was performed in conjunction with California Department of Toxic Substances Control (DTSC), who provides regulatory oversight for many of the remediation sites in the state. TSI was among the first two companies to be accepted to the list of  SCAQMD pre-approved monitors, and offers the most options accepted among any manufacturer to meet each site’s specific needs.

Am I Required to Monitor Particulates at My Remediation Site?

Under Rule 1466, the owner/operator at any remediation site that is deemed contaminated by certain toxics must conduct continuous direct-reading, near real-time, ambient particulate monitoring at upwind and downwind site locations. The monitors must measure concentrations of PM10 (10 microns or less) and the site contribution of PM10 (upwind values subtracted from downwind values) must not exceed 25 ug/m3 averaged over 2 hours. If an exceedance occurs, the site owner/operator must cease all earth-moving activities until additional dust control measures are employed.

TSI Instruments Approved By South Coast AQMD

TSI has worked with SCAQMD for many years, and has six DustTrak™ Aerosol Monitors on the pre-approved list of instruments for Rule 1466.

  • DustTrak Environmental Monitor 8540 – specifically designed for outdoor applications.  Measures PM10 (or PM2.5) only, one at a time.
  • DustTrak Environmental Monitor 8543 – specifically designed for outdoor applications.  Measures PM2.5 and PM10 simultaneously.
  • DustTrak II Aerosol Monitor Enclosure 8535 with Models 8530 and 8530EP (external, long-life pump), measure one size fraction (ex: PM10)
  • DustTrak DRX Aerosol Monitor Enclosure 8535 with Models 8533 and 8533EP (external, long-life pump) measure multiple size fraction simultaneously (PM1, PM2.5, respirable, PM10, TSP)

A full list of Rule 1466 Executive Officer Pre-Approved PM10 Monitors can be viewed here.

The wide offering of the DustTrak family allows you to choose the perfect configuration to assist in compliance with Rule 1466, as well as for future projects to maximize on your investment.

The History of Rule 1466

South Coast AQMD is the air pollution agency responsible for regulating stationary sources of air pollution in the South Coast Air Basin of Southern California. Based out of Diamond Bar, California, South Coast AQMD develops, adopts and implements an Air Quality Management Plan for the region in order to meet state and governmental standards.

In 2018, South Coast AQMD put into effect Rule 1466 to assist in the control of particulate Emissions from Soils with Toxic Air Contaminants. According to the South Coast AQMD website, the purpose of Rule 1466 is to minimize off-site fugitive dust emissions from earth-moving activities at remediation sites containing specific toxic air contaminants, by establishing dust control measures.

Weather Stations and Data Collection

TSI also offers weather stations for determining upwind and downwind locations which is part of the requirements for Rule 1466.  Additionally, TSI's cloud solution has been customized to meet the needs of Rule 1466, and has the capability to automatically calculate the difference between upwind and downwind monitors as the rule states, sending alerts if the difference exceeds 25 ug/m3. This eliminates a significant amount of work and time. TSI also offers local app communication and standard direct connect downloading to a laptop. Data collection and usage is plug-and-play as well. The DustTrak monitors and optional sensors will start reporting to the cloud immediately when powered on or plugged in, for a truly remote monitoring solution that can be viewed from a smartphone or computer anywhere, anytime

TSI also offers other plug-and-play solutions to compliment the DustTrak monitors, such as gas detection sensors with PID for VOC’s and power options, such as solar panel solutions and batteries. All of these solutions can be easily set up as they are designed to work together. Additionally, TSI’s direct technical staff will assist with field set up and staff training. Made in the USA, there are no power conversion issues or SIM card issues for data delivery associated with foreign providers.

 

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