Colorado Regulation 8 Part B: inspections, renovation versus demolition
Domain 3 - Colorado Regulation 8 Part B: inspections, renovation versus demolition
This domain tests Colorado-specific administration of the federal asbestos NESHAP. Regulation 8 Part B is the Air Quality Control Commission asbestos rule, administered by CDPHE's Air Pollution Control Division; it incorporates NESHAP work practices and adds state notification, certification, and fee requirements.
Core rules
- Before renovation or demolition, the owner or operator must have a thorough inspection by a CDPHE-certified asbestos building inspector to locate and quantify ACM.
- Renovation means altering a facility; demolition means wrecking or removing a load-bearing structural member, or taking a facility out of service by intentional collapse. The distinction matters because demolition triggers different removal and notification duties.
- Notification goes to CDPHE at least 10 working days before the start date; the notice identifies the facility, contractor, estimated amounts, and scheduled dates.
- For demolition, all RACM that will be disturbed must be removed before demolition; for renovation, the NESHAP threshold of 260 linear feet, 160 square feet, or 35 cubic feet of RACM determines whether the renovation is regulated.
- Abatement contractors must hold a Colorado asbestos abatement contractor license; supervisors and workers must be certified. The owner or operator remains responsible for compliance.
Worked example
A 1952 Denver bungalow will be demolished. The inspection finds about 100 square feet of floor tile and mastic and 20 linear feet of friable pipe wrap. The project is a demolition, so the threshold does not excuse removal: the tile and mastic that will be disturbed, and the friable pipe wrap, must be removed as RACM before demolition. The owner's consultant files the demolition notification at least 10 working days before the start date. The reasoning is that demolition notification and removal duties are not avoided because the quantities are below renovation thresholds.
Traps that cost marks
- Counting calendar days instead of working days for notification.
- Treating a demolition as a renovation because only a small amount of ACM is present.
- Relying on a contractor's license to satisfy the owner's notification duty.
- Using an inspector without Colorado certification.
- Aggregating unrelated components to avoid or trigger a threshold incorrectly.