Sec. 18.31.250. Use of materials containing naturally occurring asbestos.

(a) A principal construction contractor or, in the absence of an identified principal construction contractor, person having legal authority for the design and construction of a project may qualify for immunity in a civil action under AS 09.65.245(a)(2) for the use of gravel or other aggregate material that, when tested using a bulk test method […]

Sec. 18.31.260. Presence of naturally occurring asbestos.

The state shall consider 0.25 percent by mass, the minimum detectable amount of asbestos under the California Air Resources Board Method 435, as the baseline for the presence of naturally occurring asbestos in gravel or other aggregate material.