Allison Knab
HB 1614 status: In Committee — Subcommittee Work Session: 09/30/2026 10:10 am GP 229 (updated Sep 14, 2026).
Source
LegiScan
Confidence
High
Analysis basis
LegiScan full bill text
Official summary alongside an AI-generated read on where it stands and why.
Overall Score
Bill summary
The bill creates a new chapter (RSA 125-T) prohibiting the sale and application of coal tar-based sealants containing >10,000 mg/kg of PAHs on driveways and parking areas starting January 1, 2027.
Retailers, wholesalers, professional driveway/parking lot sealers, and the Department of Environmental Services.
Entities must cease the sale and application of the specified products; the Department of Environmental Services is tasked with processing exemption requests for research and development.
Fiscal impact is estimated to be less than $10,000 per year.
Prohibition takes effect January 1, 2027.
Reduced environmental contamination from runoff and reduced public exposure to carcinogenic PAHs.
Impact on small business inventory, potential cost increases for maintenance, and lack of guidance for disposing of prohibited inventory.
Safety and environmental impact of the alternative chemical sealants that will replace the prohibited products.
Modeled effects across six domains, estimated from bill text and comparable legislation.
Positive outlook
Critical outlook
No direct effect
Neutral — no direct effect identified.
No direct effect
Neutral — no direct effect identified.
Positive outlook
Positive outlook
Sourcing already shown above, this is what the analysis found worth flagging.
Source
LegiScan
Official bill text or data from LegiScan.
Confidence
High
Information is complete and verified.
Analysis basis
LegiScan full bill text
Source used for this bill's analysis.
Source note
No specific mechanisms are included to handle the disposal of existing stockpiles of coal tar-based products after the ban takes effect.
Analysis scope
Fiscal impact is calculated as minor, but long-term regulatory overhead is not fully quantified.
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