Aquatic Toxicity

EU And US Consider Restrictions On Tyre Additive 6PPD Over Salmon Toxicity

EU regulators and a pending US court decision (May 2026) are driving toward a potential ban on the tyre antioxidant 6PPD due to severe aquatic toxicity. Tyre and rubber manufacturers face imminent litigation risk and the urgent need to validate non-toxic alternatives to maintain market access.

7 Apr 2026, 08:45sciencelink.netEuropean UnionNetherlandsAustriaUnited States

Minnesota Senate Committee Schedules Hearing on SF 3915 Wild-Rice Water Pesticide Protections

Minnesota is advancing SF 3915 to tighten pesticide controls near wild-rice waters, with a key committee hearing scheduled for April 2026. Operators should prepare for stricter environmental impact assessments and elevated enforcement risks for pesticide applications affecting sensitive aquatic ecosystems.

6 Apr 2026, 16:45revisor.mn.govUnited States

California State Water Board To Consider Approval of Pyrethroid TMDLs for Alamo and New Rivers (Imperial County)

California's State Water Board is set to approve strict new discharge limits for six pyrethroid pesticides in the Colorado River Basin region in May 2026. Impacted agricultural and industrial facilities must prepare for tighter NPDES permit conditions and enhanced monitoring to meet numeric water quality targets.

5 Apr 2026, 18:35waterboards.ca.govUnited States

ECHA Adds Aquatic Acute 1 to CLH Proposal for Solvent Yellow 124 (CAS 34432-92-3)

Germany has expanded its proposal for the harmonised classification of Solvent Yellow 124 to include high-potency acute aquatic toxicity. Adoption of these stringent environmental classifications will trigger mandatory labelling updates and potentially stricter downstream risk management for fuel markers and related mixtures.

5 Apr 2026, 05:20echa.europa.euEuropean Union

Minnesota: City of Duluth Reaches Settlement With MPCA and DNR Over 2024 Fish Kill

The City of Duluth has settled with Minnesota regulators for $202,000 following a 2024 discharge of treated drinking water that caused a significant fish kill. This enforcement action underscores the high liability risks associated with municipal water management and signals stricter oversight of stormwater pollution prevention programs in the region.

3 Apr 2026, 18:10pca.state.mn.usUnited States

Wisconsin DNR Updates Wastewater WET Reporting and Coordination Procedures

The Wisconsin DNR has updated administrative procedures for Whole Effluent Toxicity (WET) reporting, including a transition to electronic-only submissions and the certification of a new laboratory provider. While permit limits remain unchanged, industrial facilities must update their internal compliance workflows and contact lists to ensure reporting alignment with the new digital submission requirements.

3 Apr 2026, 18:04links-1.govdelivery.comUnited States

Environment Agency Chief Scientist’s Group Assesses Phosphorus Impacts On English River Ecology

The Environment Agency has published a major study assessing the link between phosphorus reductions and ecological recovery in English rivers, highlighting significant time lags in biological response. This evidence base reinforces the case for sustained regulatory pressure and infrastructure investment in nutrient management to meet long-term Water Framework Directive objectives.

3 Apr 2026, 18:03gov.ukUnited Kingdom

Great Britain: HSE Proposes Not To Classify Rapeseed Oil (CAS 8002-13-9)

The UK HSE has proposed maintaining the "Unclassified" status for rapeseed oil under GB CLP, following a comprehensive hazard assessment. This confirmation provides regulatory certainty for manufacturers, ensuring no new labeling requirements or supply chain disruptions between the UK and EU markets.

3 Apr 2026, 18:03hse.gov.ukUnited Kingdom

GB CLP Agency Opinion Proposes Revised Mandatory Classification for Tebuconazole

The UK HSE has proposed a stricter mandatory classification for the fungicide tebuconazole, notably upgrading it to a Category 1B reproductive toxicant. This change will likely trigger market exits for amateur-use biocidal and plant protection products and requires industrial users to prepare for significant labeling and safety data sheet updates.

3 Apr 2026, 17:58hse.gov.ukUnited Kingdom

Japan Publishes Chemical Substance Management Action Plan for Nature-Positive Ver.1.0

Japan has launched its first 'Nature-Positive' Chemical Substance Management Action Plan, integrating biodiversity protection into national chemical risk assessment and regulatory frameworks. This signals a strategic shift toward life-cycle ecosystem impact assessments and likely future revisions to the Chemical Substances Control Law (CSCL).

3 Apr 2026, 09:56env.go.jpJapan

South Korea (NICS) Partially Amends Regulation On The Classification And Labelling Of Chemicals (Notice No. 2026-6)

South Korea has updated its mandatory chemical classification and labeling list (Annex 4), introducing over 70 new entries and revising several existing ones effective March 27, 2026. Manufacturers and importers must update labels and Safety Data Sheets (SDS) by January 2027, with an extended compliance window until July 2028 specifically for sodium hypochlorite.

2 Apr 2026, 10:26law.go.krSouth Korea

EU / ECHA Publishes Comments Received On CLH Proposal For Brodifacoum

ECHA has published stakeholder comments on the proposed harmonised classification for brodifacoum, a key biocidal active substance, as the dossier moves toward a formal RAC opinion by mid-2027. Stakeholders should prepare for continued stringent classification and specific concentration limits that will dictate future labelling and market access for rodenticide products.

1 Apr 2026, 19:31echa.europa.euEuropean Union

Rhode Island Announces PFAS Study On Stocked Trout And Temporary Closure Of Upper Melville Pond To Fishing

Rhode Island is launching a targeted study (May–July 2026) to assess PFAS bioaccumulation in stocked trout following historical contamination from firefighting foams. Data from this assessment will likely inform future fish consumption advisories and regional remediation priorities, reflecting a broader shift toward monitoring chemical pathways in the food chain.

1 Apr 2026, 19:07ri.govUnited States

Wisconsin DNR Sets Hearing on Proposed Aquatic Plant Management Rule WY-20-23

Wisconsin is modernizing its aquatic plant management framework (WY-20-23), introducing stricter application limits and integrated pest management requirements by January 2028. Impacted operators must budget for increased permit fees and adapt to new operational constraints, including a 10 lb/acre cap on copper sulfate applications.

31 Mar 2026, 18:37dnr.wisconsin.govUnited States

EU ECHA Invites Comments On REACH Testing Proposal For 1,4-Bis[[4-(1,1-Dimethylethyl)Phenyl]Amino]-5,8-Dihydroxyanthraquinone

ECHA has launched a public consultation on a REACH testing proposal for 1,4-bis[[4-(1,1-dimethylethyl)phenyl]amino]-5,8-dihydroxyanthraquinone regarding long-term aquatic toxicity. Stakeholders should evaluate existing data to support the avoidance of new animal testing and anticipate potential shifts in environmental hazard classifications.

30 Mar 2026, 16:56echa.europa.euEuropean Union

ECHA Opens REACH Testing Proposal Consultation On Dibutyl Maleate

ECHA has initiated a REACH testing proposal consultation for dibutyl maleate regarding long-term fish toxicity, with a deadline of May 8, 2026. Stakeholders should assess existing data to avoid redundant vertebrate testing and anticipate potential impacts on environmental hazard classifications.

30 Mar 2026, 16:55echa.europa.euEuropean Union

EU ECHA Testing Proposal for 1,4-Bis(p-Tolylamino)anthraquinone – Long-Term Toxicity to Fish (Deadline 08 May 2026)

ECHA is seeking data on the long-term aquatic toxicity of 1,4-bis(p-tolylamino)anthraquinone, with a submission deadline of May 8, 2026. Companies using this substance should monitor the outcome, as new toxicity data may trigger stricter environmental classifications or future REACH restrictions.

30 Mar 2026, 16:49echa.europa.euEuropean Union

EU / ECHA Invites Information on Testing Proposal for Amides, C16-18 (Even-Numbered), N-(Hydroxyethyl) (Deadline 08 May 2026)

ECHA is seeking third-party data on REACH testing proposals for reproductive and aquatic toxicity for specific fatty acid amides through May 2026. This provides a critical window for industry to submit existing evidence to support read-across strategies and avoid the costs and ethical implications of new animal testing.

30 Mar 2026, 16:49echa.europa.euEuropean Union

EU ECHA Invites Information On Bioaccumulation Study For 2-(2H-Benzotriazol-2-yl)-6-(1-Methyl-1-Phenylethyl)-4-(1,1,3,3-Tetramethylbutyl)phenol (CAS 73936-91-1) (Deadline 8 May 2026)

ECHA is seeking third-party information on a bioaccumulation testing proposal for a benzotriazole UV stabilizer (CAS 73936-91-1) by May 8, 2026. Companies should evaluate existing data to mitigate unnecessary testing costs and monitor for potential PBT/vPvB identification that could trigger future regulatory restrictions.

30 Mar 2026, 16:48echa.europa.euEuropean Union

ECHA Testing Proposal Consultation On Amides, C16-18 (Even-Numbered), N-(Hydroxyethyl) (Deadline 8 May 2026)

ECHA has opened a consultation on testing proposals for Amides, C16-18 (even-numbered), N-(hydroxyethyl), requiring existing data submissions by 8 May 2026. Potential findings on reproductive and developmental toxicity could lead to stricter hazard classifications and future restrictions, necessitating early supply chain impact assessments.

30 Mar 2026, 16:46echa.europa.euEuropean Union