EPA Method 8250 Back Catalog number: 82522 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93991 Acenaphthylene Price on request 673530 4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Price on request 8463.3-100-W Glyphosate, 100µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 1071-83-6 Price on request