Learn the Issues
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Moss Landing Vistra Battery Fire Response
As guests in the Monterey community, we are committed to completing our work with the utmost respect and collaboration with Monterey County and other local officials. Transparency and community engagement throughout the process is central to our approach.
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Moss Landing Air: What air monitoring/sampling is required during Vistra's battery removal work?
Return to: Frequently Asked Questions EPA is requiring air monitoring and air sampling to protect nearby residents and workers during the battery removal process. Vistra is required to implement air monitoring and air sampling during the demolition and battery handling activities. In the event of a fire, in addition to…
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Moss Landing Air: How are air results evaluated?
Return to: Frequently Asked Questions We calculate whether an air result is hazardous by comparing how much is in the air (the concentration) with how long you may have contacted it. Exposure to fire events like Moss Landing are short-term, acute exposures. Long-term exposure (months to years) are considered chronic…
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Moss Landing Air: Is there a difference between air monitoring and air sampling?
Return to: Frequently Asked Questions Yes. Monitoring and sampling are used to accomplish different goals. Air monitoring gives immediate results. Air monitoring at the site occurs during all work activities and shows patterns and changes in the air in real time. The air is monitored for PM2.5, PM10, and hydrogen…
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Moss Landing Ongoing Work: What are the contaminants of concern?
Return to: Frequently Asked Questions The list of contaminants of concern for the site was based on: what was in the batteries, contaminants released during fire (combustion), and what was present in the Moss Landing 300 structure. Under our legal order, Vistra must monitor and sample air to ensure contaminants…
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Moss Landing Ongoing Work: How will you control dust and particles during operations?
Return to: Frequently Asked Questions We are committed to ensuring all work moves at the speed of safety. This means taking steps to ensure fine particles (like dust) from Vistra’s work do not pose a risk to the community or workers. We required (pdf) Vistra to submit several work plans…
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Moss Landing Ongoing Work: How is the air monitoring and air sampling data being used to protect the community and the environment?
Return to: Frequently Asked Questions Air monitoring and sampling stations run during hours of work at: The site perimeter The work areas In the community We oversee results from daily air monitoring reports. These reports continue to show no levels of contaminants (pdf)* (particulates, mineral acid gases) above our health…
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National Pretreatment Program Publications
National Pretreatment Program events, training and publications.
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Hot Topics in Alaska
Learn about some of EPA's environmental priorities in Alaska.
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EPA in the U.S. Virgin Islands
Portal for news and information about EPA's efforts in the U.S. Virgin Islands and VI environmental conditions.
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Using Rain Gardens to Reduce Runoff—Slow it down, spread it out, soak it in!
Using Rain Gardens to Reduce Runoff: Slow it down, Spread it out, Soak it in!
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Nitrogen and Phosphorus Pollution Series: State and Local Policies to Restrict the Use of Lawn Fertilizers
State and Local Policies to Restrict the Use of Lawn Fertilizers Webcast
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Nitrogen and Phosphorus Pollution Series: Nitrate in Ground Water
Nitrate in Ground Water
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Wetlands Supplement: Incorporating Wetlands into Watershed Planning
Wetlands Supplement: Incorporating Wetlands into Watershed Planning
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Watershed Management Publications
A listing of technical references that supplement the Watershed Academy web-based training courses.
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How Citizens can Comment and Participate in the National Environmental Policy Act Process
Describes how and when the public can participate in the NEPA process by commenting on an environmental impact statement (EIS)
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How to Search for Publications Using Simple Search
Top level description of the NSCEP/NEPIS simple search recommended usage and system behavior
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Frequent Questions about Using the National Service Center for Environmental Publications
Information to fill in the gaps in explaining how to use the NSCEP site that may help the public when trying to locate and obtain documents.
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Massachusetts' 2022 303(d) List Report and Related Documents
View supporting documents for Massachusetts' 2022 Section 303(d) list of impaired waters.
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TMDL Report and Approval Documents for the Fiddlers Cove and Rands Harbor Estuarine System, MA
View supporting documents for the Fiddlers Cove and Rands Harbor Estuarine System in Massachusetts..