EPA Method 602/8020 Back Catalog number: 19197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94573 Volatile Standard Price on request 10938.20-K-ME EDDP-d3 perchlorate,1000 µg/mL (as pyrrolinium) ,MeOH,1mL, Price on request 0721.12-K-IO 1,2-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 573-98-8 Price on request