2026 session. Prime sponsor: Allison Knab (D). Status: Sent to interim study.
Starting January 1, 2027, the bill would bar selling or applying coal tar-based sealant products labeled as containing coal tar on driveways or parking areas. Coal tar is defined as containing more than 10,000 milligrams per kilogram of polycyclic aromatic hydrocarbons. The Department of Environmental Services commissioner could exempt people researching environmental effects or developing alternative technology. The fiscal note estimates an impact under $10,000 a year.
The House Commerce and Consumer Affairs Committee voted 15-0 on February 18, 2026 to refer the bill for interim study, and the House approved that referral by voice vote on March 11, 2026. After subcommittee and committee sessions, the interim study report, dated October 16, 2026, found the bill not recommended for future legislation, by a vote of 10-1.