EPA Method 524.3 - Internal Standard Back Catalog number: 95488 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2126.12-100-IOX5 Arochlor 1242 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 53469-21-9 Price on request 3H180 2,2',3',4,4',5,5'-Heptachloro-3-biphenylol, 1.2ml x 50ug/ml, nonane Price on request 674631 D6-Captan, 10mg Price on request