EPA Method 525 Pesticide Mix #1 Back Catalog number: 31027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0013.16-10MG 1,3-Dinitropyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 75321-20-9 Price on request 673118 Tramadol hydrochloride, 100mg Price on request 55213 Medical Marijuana Heavy Metals Price on request