The EPA’s “Secret Science” rule establishing new standards for consideration of certain “pivotal” scientific studies, which was slated to go into effect on January 6, 2021, has been vacated and remanded by the U.S. District Court for the District of Montana. The decision follows one from a few days prior in which the court rejected

On January 20, newly inaugurated President Joe Biden signed an executive order titled, “Protecting Public Health and the Environment and Restoring Science to Tackle the Climate Crisis,” initiating review of nearly 50 environmental rules and regulations, including 20 air-related regulations that the new administration views as insufficient or unsupported by the data.

Continue Reading Biden EPA Hits the Ground Running with Reviews of Trump Air-Related Rules

Update: The District Court of Montana vacated the “Secret Science” rule on February 1, 2021. An update including analysis of that decision is available here.

The U.S. Environmental Protection Agency (EPA) issued a final rule establishing new standards for consideration of certain “pivotal” scientific studies, requiring that EPA give greater consideration to studies relying on dose-response data that has been made “available in a manner sufficient for independent validation.” Commonly known as the “Secret Science” rule, this measure was published in its final form under the title “Strengthening Transparency in Pivotal Science Underlying Significant Regulatory Actions and Influential Scientific Information.” The rule went into effect upon publication on January 6, 2021.


Continue Reading EPA Issues “Secret Science” Rule to Promote Transparency through Public Access to Dose-Response Data

The EPA has issued a rule requiring all significant agency guidance to undergo a public notice and comment process prior to issuance, modification or withdrawal (Rule). The new Rule was adopted pursuant to Executive Order 13891, which also required the agency to distinguish active guidance from inactive guidance, and to limit documents available through the official EPA guidance portal (Order). As of June 27, 2020 only guidance available through the official agency guidance portals qualifies as active guidance.

Continue Reading EPA Adopts Measures to Improve the Transparency of Significant Agency Guidance

As of September 4, 2020, Illinois has responsibility for direct administration of the Prevention of Significant Deterioration (PSD) permitting program under state regulations, including federal Clean Air Act (CAA) requirements under authority delegated by the U.S. Environmental Protection Agency (EPA). In doing so, Illinois joins 46 other states that have elected to administer the PSD program directly.  State PSD regulations, added as Part 204 of the Illinois air quality pollution rules, 35 Ill. Adm. Code Part 204, were published in the Illinois Register on September 19, 2020.

Continue Reading Illinois Finalizes Regulations for Direct Implementation of Prevention of Significant Deterioration (PSD) Permitting under the Clean Air Act

Illinois is taking the final steps toward adopting an authorized state program for direct administration of the Prevention of Significant Deterioration (PSD) permitting program under proposed state regulations, taking responsibility for federal Clean Air Act (CAA) requirements previously administered under delegated authority from the U.S. Environmental Protection Agency (EPA).

Continue Reading Illinois Moves to Undertake Direct Implementation of Prevention of Significant Deterioration (PSD) Permitting under the Clean Air Act

The California State Water Resources Control Board (Water Board) has issued Order WQ 2020-0015-DWQ, requiring Publicly Owned Treatment Works (POTWs) with dry weather design flows greater than 1 million gallons per day to test for per- and polyfluoroalkyl substances (PFAS) in influent, effluent, biosolids, and, in some cases, groundwater. POTWs with existing groundwater monitoring

Under the Clean Water Act, stormwater is considered a nonpoint source. Accordingly, benchmark standards and best management practices have been used to manage stormwater discharges. At least in California, that all changes on July 1, 2020, as amendments to California’s Statewide General Permit for Storm Water Discharges Associated with Industrial Activities (“Industrial General Permit” or

Today, June 1, 2020 marks the opening of the window to submit data for the four-year reporting period under the Chemical Data Reporting Rule (CDR Rule) of the Toxic Substances Control Act (TSCA). The CDR Rule requires manufacturers (including importers) of substances listed on the TSCA Chemical Inventory to submit data to EPA every four years. Companies subject to the CDR Rule should be aware of several developments that affect reporting requirements and procedures this reporting period.

Continue Reading Chemical Data Reporting Cycle Begins June 1 with Extended Deadline and New Exemptions

On April 20, the Supreme Court of the United States reversed the Montana Supreme Court’s decision in Atlantic Richfield Co. v. Christian, limiting restoration damages claims beyond Environmental Protection Agency-approved cleanups at Superfund sites, while affirming the right of private parties to seek other kinds of damages under state law. The majority decision, penned by