EPA 505 Pesticide Standard Back Catalog number: 93932 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10857.20-K-ME Quinine hemisulfate,1000 µg base/mL,MeOH,1mL Price on request 684556 Benzyldimethyloctylammonium chloride, 100 µg/ml, Price on request 0444.15-10MG 4H-Cyclopenta[def]phenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 203-64-5 Price on request