网页2021年1月16日 · CLASS 3 EPA/VOA Vials: (Certified) Containers are processed according to E.P.A. recommended wash procedures—washed with laboratory-grade biodegradable, non-phosphate detergent; rinsed with ASTM Type I De-ionized water; oven dried; and assembled in a contaminate-free environment. The exterior of each case is labeled with a