EPA Method 525 Standard Back Catalog number: 94574 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1334.5-100MG 2-Methyltetrahydrothiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1795-09-1 Price on request 676215 Dinoseb, 100 µg/ml, Acetonitrile, 5ml Price on request 675254 1,3,5-Trinitrobenzene, 100 µg/ml, Acetonitrile, Price on request