EPA Method 8270 Additionals Back Catalog number: 94422 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4035-K-10IO Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules Price on request 2126.12-100-IOX10 Arochlor 1242 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 53469-21-9 Price on request 679076 Methoprene, 100 µg/ml, Acetonitrile, 1ml Price on request