Which sized Floor Tiles contain Asbestos?

Which sized Floor Tiles contain Asbestos?

12-inch by 12-inch or 9-inch by 9-inch vinyl or asphalt Floor Tile… OSHA says all asphalt or vinyl floor tile installed prior to 1980 is Presumed (PACM) to contain asbestos unless sampling proves otherwise. Pretty much all 9-inch by 9-inch contains some amount of...
Floor Tile Mastic ….

Floor Tile Mastic ….

Floor tile mastic often contains asbestos whether or not the vinyl or asphalt floor tile contains asbestos. This mastic is usually black in appearance and has been applied with a serrated trowel. It is not uncommon for this material to contain Tremolite asbestos but...