“Friable asbestos” means “friable asbestos material” as defined in 40 CFR 61, namely “any material containing more than one percent asbestos as determined using the method specified in appendix A, subpart F, 40 CFR part 763, section 1, Polarized Light Microscopy, that, when dry, can be crumbled, pulverized, or reduced to powder by hand pressure.”

Source. (See Revision Note #1 at chapter heading for Env-Sw 100) #8460-B, eff 10-28-05; ss by #14103, effective 10-23-24 (formerly Env-Sw 103.06) (see Revision Note #2 at chapter heading for Env-Sw 100)