EPA Method 8100 - Surrogate Standard Back Catalog number: 81002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15661000 Nystatin, certified, 0.25g Price on request 73238 Iminostilbene Price on request 9744.21-10MG delta-9-THC-d3, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request