Minn. R. 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.