EPA Method 505/507 - Pesticide Standard Back Catalog number: 91936 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ALR-137N Monoethyl phthalate (mEP), 100mg Price on request 673441 Simazine, 100 µg/ml, Acetonitrile, 5ml Price on request 2237.17-050-5AN Aflatoxin M1, 0.5 µg/ml, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 6795-23-9 Price on request