How Much Asbestos Material Is Needed for Different Bulk Materials?

Asbestos in Concrete -  for PLM analysis 1 gram; Milling 250cc or 8.5oz

Asbestos in Asphalt - must submit the entire thickness of the asphalt-

10 grams if the sample includes the aggregate.

If sample does not include aggregate 0.5g minimum can be submitted.   

Asbestos in Vermiculite - 250cc or 8.5 oz

Asbestos in Soil - 250cc or 8.5 oz

Asbestos in Rock

              12-16 oz for rocks that is >1/2 inch

              8 oz for rocks that are ¼ inch or less

              Rocks cannot exceed 3 inches