EPA Method 525.2 - PAH Standard Back Catalog number: 19162 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9469.14-100MG Trimethoprim, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 738-70-5 Price on request 679108 2,4'-DDT, 10.0 µg/ml, Cyclohexane, 10ml Price on request XA15710000CY Octachlorostyrene, 100µg/mL in Cyclohexane, 1ml Price on request