EPA Method 525 Pesticide Mix #1 Back Catalog number: 31027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1097.12-K-IO 2-n-Butylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4265-27-4 Price on request 96339 Toluene-d8 Price on request 2204.14-10MG 9-Nitrophenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 954-46-1 Price on request