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Everything you need to know about SCAQMD Rule 1466

This post was written by Paul Pickering of Aeroqual. Specto Technology is a partner and distributor of Aeroqual in North America.

In July 2017, the South Coast Air Quality Management District (SCAQMD) adopted Rule 1466 – Control of Particulate Emissions from Soils with Toxic Air Contaminants. The new rule was amended last December before going into effect in early 2018 for all applicable earth-moving operations that take place in parts of California regulated by the SCAQMD.[/vc_column_text][/vc_column][/vc_row][vc_row css_animation=”” row_type=”row” use_row_as_full_screen_section=”no” type=”full_width” angled_section=”no” text_align=”left” background_image_as_pattern=”without_pattern” padding_top=”24″ padding_bottom=”24″ z_index=””][vc_column width=”1/6″][vc_single_image image=”3008″ img_size=”medium” alignment=”center” qode_css_animation=”” css=”.vc_custom_1552058227752{padding-top: 32px !important;padding-bottom: 14px !important;}”][/vc_column][vc_column width=”5/6″][vc_column_text]

WHO IS THE SCAQMD?

South Coast Air Quality Management District (SCAQMD) is the agency responsible for regulating stationary sources of air pollution in the South Coast Air Basin and inspects more than 27,000 facilities, and responds to thousands of air quality public complaints. California is divided into air basins, which are served by either county air pollution control districts or multi−county air quality management districts. The SCAQMD includes Orange County, Los Angeles and Los Angeles County, San Bernardino County, and Riverside County. The region covers more than 10,000 square miles (17,000 km²) including Greater Los Angeles Area which is home to 18 million people. The SCAQMD has been a leader in the nation’s efforts to reduce air pollution emissions.

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Aeroqual has partnered with SCAQMD under the U.S. EPA’s STAR grant to encourage research into community-level air monitoring. The initiative includes a pilot network of 100 AQY Micro Air Quality Monitors, provided by Aeroqual. Here’s the project case study.

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WHAT IS RULE 1466?

The purpose of Rule 1466 is to minimize off-site fugitive dust emissions from earth-moving activities at sites containing specific toxic air contaminants.  Dust control measures must be established at designated clean-up sites or sites near sensitive receptors.

The toxic air contaminants (TAC) of concern include:

• Arsenic
• Asbestos
• Cadmium
• Herbicides
• Hexavalent chromium
• Lead
• Mercury
• Nickel
• Pesticides
• Polychlorinated biphenyls
• Other volatile compounds

In areas that contain applicable toxic air contaminants from sites designated by federal/state environmental agencies, the following activites are subject to Rule 1466:

• Excavating
• Grading
• Handling
• Treating
• Stockpiling
• Transferring
• Removing soil

In addition to notifying the SCAQMD, signage, continuous air monitoring, dust control measures, and recordkeeping are required. Failure to comply with Rule 1466 can result in citations and fines. Here’s the full text of Rule 1466.

WHAT AIR MONITORING REGULATIONS APPLY TO RULE 1466?

Under Rule 1466, when earth-moving activities or vehicular movement occurs the owner or operator is required to conduct continuous direct-reading, near real-time ambient monitoring of concentrations of particulate matter 10 micrometers or less in diameter (PM₁₀). The PM₁₀ monitoring method must be a federal equivalent method or an Executive Officer approved method. Here’s the list of SCAQMD pre-approved PM₁₀ monitors.

A minimum of two real-time PM10 monitors are required on any designated site. Rule 1466 requires PM10 monitoring at one or more upwind locations, and one or more downwind locations. If the PM10 site activity contribution (downwind minus upwind concentration) exceeds 25 micrograms per cubic meter (µg/m3) averaged over one hour, the owner/operator must cease earth-moving activities and implement additional dust control measures. Earth-moving operations cannot recommence until the particulate contribution drops below 25 µg/3 averaged over 30 minutes.

PRE-APPROVED PM10 MONITOR FOR RULE 1466 COMPLIANCE

We make it easier for you to comply with Rule 1466. Aeroqual has an affordable, reliable and easy-to-use PM₁₀ dust monitor that ensures your construction and remediation projects meet the requirements. The Dust Sentry PM₁₀monitor is pre-approved by SCAQMD and seamlessly reports data in the required format and frequency using our integrated software platform.

Aeroqual is just one of three companies to have a pre-approved PM₁₀ monitor listed by SCAQMD. To become pre-approved the monitor must meet the requirements set out in Appendix 1 of the Rule.

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CASE STUDY: DUST SENTRY PM10 USED FOR RULE 1466 COMPLIANCE

International environmental engineering firm, SCS Engineers, recently deployed Dust Sentry PM₁₀ monitors to comply with SCAQMD Rule 1466. SCS Engineer’s client intended to redevelop the former industrial manufacturing site in Los Angeles area into a world-class industrial park. SCS Engineers was contracted to perform soil remediation and associated dust monitoring services. Ray Huff, SCS Vice President, says, “We found the Dust Sentry system reduced a lot of leg work associated with traditional air monitoring activities.” Read the full case study to find out more.

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Need help with your next Environmental Monitoring Project?

At Specto Technology our goal is to solve your monitoring problems to make your life easier.  We provide unique, powerful hardware & software for wireless Environmental, Geotechnical, and Structural and Monitoring.  Please reach out to us with details on your next project.  We look forward to connecting with you!

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WHO IS AEROQUAL?

This blog was reposted with permission from Aeroqual.

Aeroqual makes advanced sensors and equipment for air quality monitoring. We help environmental consultants, industrial hygienists and EHS managers to deliver on budget and time-constrained projects by providing them with cost effective and reliable instrumentation. Aeroqual’s solutions are used for community air monitoring programs, on remediation and brownfield development sites, for environmental impact assessments, and industrial fenceline monitoring.

Click here to read the original blog from Aeroqual.

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