- (a) Composite dust sampling may only be conducted in the situations specified in lead-hazard screens, risk assessments, and abatements as set forth 20 CAR §§ 20-130-803 – 130-805.
(b) If such sampling is conducted, the following conditions shall apply:
- (1) Composite dust samples shall consist of at least two (2) subsamples;
- (2) Every component that is being tested shall be included in the sampling; and
- (3) Composite dust samples shall not consist of subsamples from more than one (1) type of component.