Learn the Issues
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Ports Primer: 7.2 Air Emissions
Near-port communities are often disproportionately impacted by air emissions due to port operations, goods movement operations and other industries that may be co-located with ports. Air emissions at ports also impact regional air quality.
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Status and Progress
EPA and ECCC annually track changes in phosphorus loads to Lake Erie, as well as the in-lake response of harmful algal blooms (HABs) and hypoxia.
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Volkswagen Light Duty Diesel Vehicle Violations for Model Years 2009-2016
This site provides information on EPA's issued notice of violation (NOV) of the Clean Air Act (CAA) to Volkswagen. The NOV alleges software that circumvents EPA emissions standards for certain air pollutants.
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Your Family Can Help Limit Ocean and Coastal Acidification
Learn how you and your family can save money and help limit ocean and coastal acidification.
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Understanding the Science of Ocean and Coastal Acidification
Explanation of the sources of pollution that cause ocean and coastal acidification, as well as the basic science behind these phenomena.
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Effects of Ocean and Coastal Acidification on Ecosystems
Ocean and coastal acidification are expected to impact various ecosystem components, including food webs and ecosystem services that humans depend on.
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Hydraulic Hybrid Vehicles Demonstration Project
EPA and the United Parcel Service (UPS) have developed a hydraulic hybrid delivery vehicle to explore and demonstrate the environmental benefits of the hydraulic hybrid for urban pick-up and delivery fleets.
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California Clean Air Technology Initiative (CATI) Projects
EPA Pacific Southwest has provided funding to both South Coast AQMD and San Joaquin Valley APCD to help spur early-stage, innovative technologies that need further testing and demonstration prior to deployment and commercialization.
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Lake Erie Nutrients
Lake Erie, excessive growth of cyanobacteria, also referred to as blue-green algae, poses significant threats to the ecosystem.
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Biological Contaminants and Indoor Air Quality
Biological contaminants include bacteria, molds, mildew, viruses, animal dander and cat saliva, house dust, mites, cockroaches, and pollen.
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EPA Seeks Comments on two new Class I Non-Hazardous Disposal Well Permits
The U.S. Environmental Protection Agency (EPA) plans to renew two permits for existing injection wells operated by Warner Lambert Company, LLC.
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Scientific Diving
Homepage for EPA's scientific diving program.
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Release Detection for Underground Storage Tanks (USTs) - External Methods
All regulated tanks and piping must have release detection so that leaks are discovered quickly before contamination spreads from the underground storage tank (UST) site.
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Release Detection for Underground Storage Tanks - Internal Methods
All regulated tanks and piping must have release detection so that leaks are discovered quickly before contamination spreads from the underground storage tank (UST) site.
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Release Detection for Underground Storage Tanks (USTs) - Interstitial Method
All regulated tanks and piping must have release detection so that leaks are discovered quickly before contamination spreads from the underground storage tank (UST) site.
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Preventing and Detecting Underground Storage Tank Releases
Learn about preventing and detecting releases from underground storage tank systems.
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Funding availability for Puget Sound Action Agenda - Strategic Implementation Leads
EPA funding availability for Puget Sound Action Agenda - Strategic Implementation Leads.
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Pacific Southwest (Region 9) Newsletters
Monthly newsletters from EPA's Pacific Southwest, Region 9.
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Haystack #1 Abandoned Uranium Mine
Information and updates about the Haystack #1 Abandoned Mine in Navajo Nation's Eastern Abandoned Uranium Mine district.
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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.