Which statement best describes a renovation as the RRP rule uses the term?
- Any work that requires a building permit in a building built before 1978
- Work intended to permanently remove lead-based paint hazards
- Any repair that costs more than a set dollar amount
- Modifying an existing structure in a way that disturbs painted surfaces
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D. Modifying an existing structure in a way that disturbs painted surfaces
A renovation is the modification of an existing structure, or part of one, that disturbs painted surfaces. Work designed to permanently eliminate lead hazards is abatement, which is regulated separately and is excluded from the definition.
Reference: 40 CFR 745.83 (definitions)
What is a certified dust sampling technician permitted to do?
- Collect dust wipe samples for clearance testing
- Design and supervise lead abatement projects
- Carry out renovations without using a certified firm
- Use XRF analyzers to inspect paint for lead
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A. Collect dust wipe samples for clearance testing
A dust sampling technician is trained to take dust wipe samples, including optional clearance sampling after a renovation. Paint inspection with XRF belongs to certified inspectors and risk assessors.
Reference: 40 CFR 745.90(c)
A HEPA filter is one that captures at least what share of particles 0.3 microns in size?
- 90 percent
- 95 percent
- 99 percent
- 99.97 percent
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D. 99.97 percent
A HEPA filter removes at least 99.97 percent of particles 0.3 microns in diameter. Filters rated 95 or 99 percent sound close but pass many times more fine dust.
Reference: 40 CFR 745.83 (HEPA vacuum)