November 18, 2025

Green: item to discuss during this call to obtain member feedback
Orange: new or a recent item still of importance

Agenda (*new item):

1. Roll Call
2. Antitrust Guidelines
3. Action items:
4. Spring 2025 Regulatory Agenda (link)
   1. USTMA's Regulatory Tracker (link)
5. Basel Convention (link) Tyre Guidelines - updates from discussion with TIP*
6. TSCA
   1. EPA pre-publication of new TSCA Procedures for Chemical Risk Evaluation (link)*
      1. USTMA comments outline (link to be added next week)*
      2. USTMA's 2023 comments (link)
      3. USTMA's 2017 comments (link)
   2. Final joint letter from ACC (link)
7. 6PPD
   1. 6PPDQ CEM July 2025 (link)
   2. New 6PPD literature
      1. Hyman et al. 2025 - Oxidative stress generated DNA damage by 6PPD and other tyre additives in A549 human lung epithelial cells (open access link)*
      2. Fang et al. 2025 - Oral exposure to tire rubber-derived contaminant 6PPD and 6PPD-quinone induces intestinal toxicity in mice (link)
8. TRWP
   1. New TRWP literature 
      1. Weyrauch, et al. 2025 - Environmental aging of tire and road wear particles and tire additives: a long-term field study.   (TIP study - open access link)*
      2. Brossell et al, 2025 - Correlating SEM and Raman Microscopy to Quantify Occupational Exposure to Micro- and Nanoscale Plastics in Textile Manufacturing. (Not yet peer reviewed - open access link)*
      3. McKenzie et al. 2025 - Design and application of a new 24-h water sampler for monitoring particulate and dissolved road pollutants  (open access link)*
      4. Bressot et al. 2025 - Particle emissions study from tire sample with nano-silver tracer from different steps of its life cycle. A new approach to trace emissions of tire microparticles (TIP funded study - open access link)
9. DTSC updates:
   1. Proposed Candidate Chemical: para-Phenylenediamine (PPD) Derivatives (link) - comments due August 25
      1. USTMA final comments (link)
   2. Zinc
      1. Discussion guide from DTSC (link)*
      2. Zinc summary (link)
      3. Updated zinc SOK - July 2025 (link)
      4. DTSC SCP timeline (Q3) (link)
      5. DTSC Regulatory Response options (link)
10. ECCC
    1. Plan of Priorities: rubber sector relevant chemicals according to ECCC (link) - update from ECCC*
11. Relevant state working groups
    1. Washington Ecology Stormwater Working Group Sept. 10 (agenda link) - minutes to be posted by Agency soon
    2. Puget Sound Ecosystem Monitoring Program (link) - 9/11 meeting (link to agenda)
12. Relevant workshops and conferences
    1. TRAC Recycled Rubber Symposium (Tracey's presentation - link)*
    2. Upcoming USTMA webinar on recent TIP publications and workstreams*
    3. TIP conference (notes to come)
    4. Upcoming: SETAC North America (link)
       1. Breakdown of relevant talks and posters (link to come)
    5. Tire Wear Toxicants – 6PPDQ Workshop 2025 - May 8-9
       1. Written summary (link)*
       2. Workshop summary (link)*
    6. SETAC Europe - May 11-15
       1. Relevant presentations and posters (link)
       2. Written summary to come
13. Adjourn