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1839 - Gov. Juan B. Alvarado gives most of SCV to Mexican Army Lt. Antonio del Valle. [story]
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EPA LogoWASHINGTON – The U.S. Environmental Protection Agency announced Thursday the latest action to protect public health under the Toxic Substances Control Act (TSCA), proposing a ban on most uses of methylene chloride, a dangerous chemical known to cause serious health risks and even death. Today’s proposal would protect people from these risks while allowing for some uses to continue only where strict workplace controls could be implemented to minimize exposures to workers. Methylene chloride is the second chemical to undergo risk management under the reformed process created by the 2016 Frank R. Lautenberg Chemical Safety for the 21st Century Act, following agency proposed actions to protect people from asbestos exposure last year.

“The science on methylene chloride is clear, exposure can lead to severe health impacts and even death, a reality for far too many families who have lost loved ones due to acute poisoning,” said EPA Administrator Michael S. Regan. “That’s why EPA is taking action, proposing to ban most uses of this chemical and reduce exposures in all other scenarios by implementing more stringent workplace controls to protect worker health. This historic proposed ban demonstrates significant progress in our work to implement new chemical safety protections and take long-overdue actions to better protect public health.”

Since 1980, at least 85 people have died from acute exposure to methylene chloride, largely workers engaged in home renovation contracting work and even, in some cases, while fully trained and equipped with personal protective equipment. Many more have experienced severe and long-lasting health impacts, including certain cancers. Still, use of methylene chloride has remained widespread, even after EPA banned one consumer use in 2019. Methylene chloride is used in a variety of ways including consumer uses such as aerosol degreasers and brush cleaners for paints and coatings, commercial applications such as adhesives and sealants, and in industrial settings for making other chemicals. For example, methylene chloride is used as a chemical intermediate in the production of hydrofluorocarbon (HFC) 32, which is used in refrigerant blends developed to replace substances with higher global warming potential.

“(Today), the Environmental Protection Agency is finally proposing to ban the use of methylene chloride that killed my son Kevin,” said Wendy Hartley, the mother of Kevin Hartley. “No mother should have to face that. The EPA is proposing to ban its use as a commercial bathtub stripper once and for all, and I urge the agency to quickly finalize the rule and make sure no other mother has to go through what I did.”

EPA’s unreasonable risk determination for methylene chloride was driven by risks associated with workers, occupational non-users (workers nearby but not in direct contact with this chemical), consumers and those in close proximity to a consumer use. EPA identified risks for adverse human health effects, including neurotoxicity, liver effects, and cancer from inhalation and dermal exposures to methylene chloride.

EPA’s proposed risk management rule would rapidly phase down manufacturing, processing and distribution of methylene chloride for all consumer uses and most industrial and commercial uses, most of which would be fully implemented in 15 months. For most of the uses of methylene chloride that EPA is proposing to prohibit, EPA’s analysis found that alternative products with similar costs and efficacy to methylene chloride products are generally available.

“Today, EPA took an important step forward in meeting its obligations under the Toxics Substances Control Act by proposing to limit commercial uses of methylene chloride—a chemical linked to serious health risks,” said Senator Tom Carper, Chairman of the Senate Environment and Public Works Committee. “This science-based proposal is exactly the kind of common sense protection that Congress envisioned when we passed the Frank R. Lautenberg Chemical Safety for the 21st Century Act nearly 7 years ago. I applaud the Biden Administration’s commitment to prioritizing the safety of our workers, families and communities, and I am committed to ensuring EPA has the necessary resources to continue reviewing chemicals that pose the greatest risk to human health.”

For the industrial manufacturing, industrial processing, and federal uses that EPA is not proposing to prohibit, EPA is proposing a workplace chemical protection program with strict exposure limits to better protect workers. EPA has received data from industry that indicate some facilities may already be meeting the stronger proposed methylene chloride exposure limits. These proposed requirements would allow the continued processing of methylene chloride to produce chemicals that are important in efforts to reduce global warming outlined in the American Innovation and Manufacturing Act. Climate-friendly refrigerants and other chemicals play a significant role in combatting climate change and EPA’s proposed rule supports continued efforts to reduce emissions.

Similarly, EPA is also proposing that specific uses of methylene chloride required by the National Aeronautics and Space Administration, the Department of Defense, and the Federal Aviation Administration could continue with strict workplace controls because sufficient reductions in exposure are possible in these highly sophisticated environments, thereby minimizing risks to workers.

The proposed prohibitions and restrictions would also protect communities from methylene chloride exposure. EPA identified potential risks to fenceline communities from a small number of facilities using six years of Toxics Release Inventory exposure data. The prohibitions in EPA’s proposed rule would cover ongoing uses of methylene chloride at a majority of these facilities, effectively eliminating the potential risks to the neighboring communities.

Workplace Chemical Safety Program for Methylene Chloride

EPA consulted with the Occupational Safety and Health Administration (OSHA) while developing this proposed rule and was mindful of existing OSHA requirements in building out the proposed worker protections. EPA’s proposed risk-based limits are based on recent data and meet the TSCA requirement to eliminate the unreasonable risk. Employers would have one year after the finalization of the risk management rule to comply with the worker chemical protection plan and would be required to periodically monitor their workplace to ensure that workers are not being exposed to levels of methylene chloride that would lead to an unreasonable risk.

EPA encourages members of the public to read and comment on the proposed rule. EPA is especially interested in hearing perspective on the feasibility and efficacy of the proposed requirement for worker protections from entities that would be required to implement the proposed program. In the coming weeks, EPA will host a public webinar targeted to employers and workers, but useful for anyone looking for an overview of the proposed regulatory action to discuss the proposed program. The date, time and registration information will be announced soon.

EPA will accept public comments on the proposed rule for methylene chloride for 60 days following publication in the Federal Register via docket EPA-HQ-OPPT-2020-0465 at www.regulations.gov.

Learn more about today’s proposal.

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