Minn. R. agency 144, ch. 4761, LEAD STANDARDS; METHODS, pt. 4761.2620

Current through Register Vol. 49, No. 16, October 14, 2024

Part 4761.2620 - PROHIBITED PRACTICES FOR LEAD HAZARD REDUCTION

The following work practices are prohibited during any lead hazard reduction:

A. open-flame burning or torching;

B. heat guns operating at more than 700 degrees Fahrenheit;

C. chemical strippers containing methylene chloride;

D. all powered-machine methods unless the resulting dust is immediately captured by HEPA filters;

E. dry scraping, dry sanding, and dry wire brushing, except for removing deteriorated paint around electrical outlets, electrical fixtures, or other areas totaling no more than:

(1) two square feet in any one room;

(2) 20 square feet on exterior surfaces; or

(3) ten percent of the surface area on trim around doors and windows or other small building components;

F. dry sweeping;

G. dry vacuuming, unless a vacuum cleaner with a HEPA filter that is specifically designated for hazardous materials is used; and

H. wet/dry vacuum cleaners used for any purpose other than to collect wash and rinse water during lead hazard reduction within a containment.

Minn. R. agency 144, ch. 4761, LEAD STANDARDS; METHODS, pt. 4761.2620

29 SR 531

Statutory Authority: MS s 144.9508