Clearance Sampling Requirements

TITLE 6 ACTIONS IN PARTICULAR CASES CHAPTER 26 CLANDESTINE DRUG LABORATORY CLEANUP ACT 6-2609. clearance sampling requirements. (1) A qualified industrial hygienist who is independent of the company or entity conducting the cleanup or analysis shall conduct sampling to verify that cleanup standards have been met. All sample collection must be conducted pursuant to this section. (2)  Sample locations shall be photographed and show the floor plan of the property, and such photos shall be included in the requisite final report. (3)  Samples shall be obtained, preserved, and handled under professional standards for the types of samples and analytical testing to be conducted under the chain of custody protocol. (4)  Samples shall be analyzed by a laboratory certified by the United States environmental protection agency or accredited by the American industrial hygiene association laboratory accreditation program for the analyte being analyzed. (5)  Sampling locations shall be numerically identified, and the numbered sampling locations shall be delineated on the floor plan, visible in photographs, and linked to samples. (6)  Standard three (3) inch by three (3) inch gauze shall be used for all sampling. The gauze shall be wetted with analytical grade methanol or isopropanol and each surface wiped at least five (5) times in two (2) perpendicular directions, and the gauze shall be turned onto itself throughout the wiping process. (7)  After sampling, the sample shall be placed in a new, clean sample container and sealed with a teflon-lined lid. The sample container shall be labeled with the site or project identification number, date, time, and sample location and shall be handled by professional standards and conducted under the chain of custody protocol. (8)  Discrete sampling shall be used in areas expected to have the highest levels of contamination as identified on the department-approved form. A ten (10) centimeter by ten (10) centimeter area shall be sampled from non-porous surfaces such as floors, walls, appliances, sinks, or countertops in each room. The sample area shall be composed of no fewer than three (3) discrete samples. (9)  All other rooms of the property with the lowest levels of contamination shall be sampled using one (1) discrete sample per room. (10) A ten (10) centimeter by ten (10) centimeter area shall be sampled from the ventilation system in a location to be determined by the qualified industrial hygienist.