Under the occupant protection requirements of 40 CFR 745.85(a)(1), warning signs must remain posted for how long?
A. Until the end of the workday on which renovation activities occur
B. Until the work area has been contained but before cleaning begins
C. Until the renovation and the post-renovation cleaning have been completed and cleaning verification is finished
D. For 24 hours after the firm leaves the job site
Source: 40 CFR 745.85(a)(1)
A renovation firm is working in a household where the primary language of the occupants is Spanish. What does 40 CFR 745.85(a)(1) require regarding warning signs?
A. Signs must be posted only in English, since English is the required national standard
B. Signs must be posted in the primary language of the occupants, when practicable
C. No signs are required if the occupants are not present during the renovation
D. Signs may be replaced with a verbal warning given once at the start of the job
Source: 40 CFR 745.85(a)(1)
For an interior renovation, 40 CFR 745.85(a)(2) requires floor covering (plastic sheeting or other impermeable material) to extend how far beyond the perimeter of the surfaces being disturbed?
A. At least 2 feet
B. At least 6 feet, or the width of the room, whichever is less
C. At least 6 feet
D. At least 10 feet
Source: 40 CFR 745.85(a)(2)
For an exterior renovation, 40 CFR 745.85(a)(2) requires vertical containment and ground covering to extend at least how far from the work area perimeter, and doors/windows within what distance must be closed?
A. Ground covering 10 feet; doors and windows within 20 feet must be closed
B. Ground covering 20 feet; doors and windows within 10 feet must be closed
C. Ground covering 6 feet; doors and windows within 6 feet must be closed
D. No fixed distance is specified; the firm sets its own containment perimeter
Source: 40 CFR 745.85(a)(2)
Which of the following practices is explicitly prohibited under the work practice standards at 40 CFR 745.85(a)(3), regardless of containment used?
A. Using a heat gun below 1,100 degrees Fahrenheit to remove paint
B. Open-flame burning or torching of painted surfaces
C. Hand-scraping a painted surface with wet methods
D. Using a HEPA-shrouded random orbital sander
Source: 40 CFR 745.85(a)(3)
