Asbestos Abatement (NH)
Domain overview
This domain tests New Hampshire-specific asbestos abatement compliance: who may perform work, when NHDES must be notified, how regulated material is identified and handled, and how waste and clearance are documented. Expect scenario questions that combine NH rules with federal NESHAP thresholds.
Core rules and concepts
- New Hampshire administers asbestos management under RSA 141-E and the Env-A 1800 rules. Abatement contractors and individual workers/supervisors must hold current NHDES credentials; the owner/operator remains responsible for notification and compliance.
- Planned abatement requires written notice to NHDES before work; the standard planning period is at least 10 working days, with limited emergency provisions that still require prompt notice and records.
- Federal NESHAP thresholds define RACM as 260 linear feet on pipes, 160 square feet on other components, or 35 cubic feet off facility components. Demolition/renovation notice is required when those thresholds are met; NH abatement notification can be broader.
Work practices
Use wet methods, HEPA vacuuming, containment and negative air where required, decontamination, and sealed, labeled waste. Waste goes to a landfill permitted for asbestos. Clearance requires the required visual inspection and, where specified, air sampling by a qualified person before reoccupancy.
Worked example
A crew will remove 300 linear feet of friable pipe insulation and 100 square feet of ceiling tile from a Manchester school during renovation. Because 300 linear feet exceeds the 260-linear-foot RACM threshold, the project is regulated abatement and renovation. NHDES must receive the required notification before the waiting period ends, and the federal demolition/renovation notice also applies. The job needs a credentialed contractor, containment, wet removal, manifested waste, and clearance. Oral notice or starting early is a violation.
Traps
Do not assume below-threshold material needs no NH notice, count suspect material as RACM without sampling, use an unlicensed crew, send waste to an unpermitted landfill, or skip clearance because the containment looks clean.