EPA Method 525.2 Pesticide Level 5 Back Catalog number: 92842 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9344.6-K-ME DL-1,2-Isoproylideneglycerol-1,1,2,3,3-d5, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 19030 EPA Method 507 - Performance Check Solution Price on request 96519 Clonazepam-D4 Price on request