After assembly, the loaded sampler is placed into the re-sealable plastic bag, the bagged sampler is placed into the brown airtight container provided and taken to the exposure site.

After exposure, the above procedure is again followed to safely seal the exposed sampler in the brown airtight vial. Once indoors and in a clean area, the exposed pad is placed in a shipping vial (PS-118). It is then taken or sent to a laboratory for analysis.