3
votes
1answer
82 views

At what Lead levels are respirators and hazmat suits required?

I am under going demolition work in pre-1978 building. I have paint chip samples sent away to determine ppm of lead. At what levels are contractors required to wear hazmat suits and respirators? ...
7
votes
3answers
383 views

Do Old Houses Have a Pre-determined Lifespan?

Taking into consideration the building supplies that were available in that time period for that particular geographic area (say, a major metropolitan city in the mid-western United States), do homes ...
5
votes
2answers
8k views

Must I remove asbestos from my heating vents?

I've got an old house with some asbestos tape on the heating vents, and some old floor tiles which are asbestos suspects as well; duct cleaning firms won't do cleaning on the vents with the tape ...