Learn the Issues
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Other Testing or Sampling at Moss Landing: Is EPA testing for dioxins?
Return to: Frequently Asked Questions Dioxins are produced in many ways, such as through power plant operations, agricultural operations, etc. Without a long-term study and risk assessment, it is difficult to determine if dioxins in the surrounding environment are a result of the January 2025 battery fire at Moss Landing…
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Other Testing or Sampling at Moss Landing: Did EPA sample for black carbon?
Return to: Frequently Asked Questions Black carbon (soot) is part of PM 2.5 (particulate matter smaller than 2.5 microns), which is measured in air monitoring. Since the fire, we have not seen levels of PM2.5 that would be of concern to the community’s health.
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Other Testing or Sampling at Moss Landing: Has the ash been sampled in the damaged building?
Return to: Frequently Asked Questions The damaged portion of Moss Landing 300 is unsafe to enter due to structural instability. We expect material in the building’s ash to include soot, debris, and burned battery material, as well as building materials. Ash, debris, and any other remaining material will be sampled…
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Other Testing or Sampling at Moss Landing: Did EPA take wipe samples on-site?
Return to: Frequently Asked Questions In emergency response situations, EPA focuses on understanding how a person could contact contamination (also called exposure). Inhalation was the main way someone could be exposed to contamination from Moss Landing. To understand the risk of inhalation, monitoring and measuring the air was done. It…
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EPA's Role at Moss Landing: What is battery delinking and what does it do?
Return to: Frequently Asked Questions Battery “delinking” is when cables connecting different batteries are disconnected. At Moss Landing, batteries were disconnected from one another. They were also disconnected from the rack holding the batteries in the energy storage system. Disconnecting the batteries from one another lowers the risk of fire.
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EPA's Role at Moss Landing: Why are you only overseeing battery removal on-site?
Return to: Frequently Asked Questions The State of California requested EPA support for oversight of the battery removal under our CERCLA legal authority. We are also bound by our legal authority . We have been asked by the state to: oversee the battery removal; oversee the assessment, preparation, and packaging…
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EPA's Role at Moss Landing: Under what authority is EPA overseeing the Fire Response?
Return to: Frequently Asked Questions We have an emergency response and “removal” (cleanup) program under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). By law, EPA can require property owners and operators to act to protect the public and the environment when there is/are releases or potential releases of…
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Moss Landing Air: What happens if data shows increased levels of contaminants in the air and how does EPA respond?
Return to: Frequently Asked Questions There are two types of air quality data collected by the extensive air monitoring and air sampling network at the site perimeters and in the community. The first is continuous real-time air monitoring, which looks for particulate matter (PM)2.5, PM10, and hydrogen fluoride. This data…
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Moss Landing Vistra Battery Fire Response: Frequently Asked Questions
Frequently asked questions about the Moss Landing Vistra Battery Fire Response.
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Moss Landing Vistra Battery Fire Response: Response Timeline
Updates on EPA's response to the Moss Landing Vistra Battery fire.
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Superfund Resources and Funding to Understand Potential Risks
Links to resources that for understanding potential risks in your community
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Biological Agents
These chemicals or organisms increase the rate at which microorganisms break down complex compounds into simpler products (biodegredation). Two bioremediation technologies currently being used for oil spill cleanups are fertilization and seeding.
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E3 NASCAR Challenge
This page explains the E3 challenge to future participants.
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Rumney Marsh Wetland
Learn about the Rumney Marsh in Saugus/Revere Massachusetts.
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R7 QA Training Page
QA training assessment
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Lead (Pb) Air Pollution
This web area will provide information on setting and implementing the outdoor air quality standards for lead.
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Grants for your Region: Information that is specific to EPA Region 3
Detailed Region 3 grant information that you will need when applying for grants in Region 3.
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Proposed Strategy for San Joaquin River Basin Water Quality Monitoring and Assessment
A proposed strategy for San Joaquin River Basin Water Quality Monitoring and Assessment was published in 2010, and a Strawman Proposal was developed in 2012 by the Coalition for Urban Rural Environmental Stewardship (CURES), the California Water Resources
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Data and Information Used by WaterSense
WaterSense provides references for interested parties that would like to know more about data sources frequently used by the program.
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Drinking Water System Operations in Wyoming and on Tribal Lands in EPA Region 8
This website is designed for the use of owners, operators, and administrative staff who work at public water supply systems in Wyoming and on Tribal lands within the jurisdiction of Region 8.