EPA Method 8141 Standard Back Catalog number: 93543 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D226200 Dechlorane 602, 5mg Price on request 3153.6-K-IO Methyl pentanoate (Methyl valerate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 624-24-8 Price on request 79425 2,4-D methyl ester Price on request