A residential renovation project built before 1978 requires window replacement. What is the minimum area of paint disturbance that triggers EPA RRP (Renovation, Repair, and Painting) Rule requirements?
Correct Answer
B) 6 square feet
The EPA RRP Rule requires lead-safe work practices when disturbing more than 6 square feet of painted surfaces per room in pre-1978 housing or child-occupied facilities.
Why This Is the Correct Answer
The EPA RRP Rule establishes 6 square feet as the threshold for triggering lead-safe work practices in pre-1978 residential buildings and child-occupied facilities. When window replacement or any renovation activity disturbs more than 6 square feet of painted surfaces per room, contractors must follow EPA-certified lead-safe work practices, including containment, cleanup verification, and proper disposal procedures to prevent lead exposure hazards.
Why the Other Options Are Wrong
Option A: 20 square feet
20 square feet is the threshold for exterior painted surfaces under the EPA RRP Rule, not interior surfaces. For interior work like window replacement, the much lower 6 square feet threshold applies to protect occupants from lead dust contamination.
Option C: 10 square feet
10 square feet exceeds the actual EPA RRP Rule threshold of 6 square feet. This higher number would allow more lead paint disturbance before requiring protective measures, potentially exposing occupants to dangerous lead contamination during renovation activities.
Option D: 2 square feet
2 square feet is below the EPA RRP Rule threshold. While any lead paint disturbance poses some risk, the EPA established 6 square feet as the minimum area requiring formal lead-safe work practices and certification requirements.
Memory Technique
Remember 'Six for Inside' - 6 square feet triggers EPA RRP requirements for interior painted surfaces in pre-1978 buildings.
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