EPA Method 8021B Internal Standard Back Catalog number: 19394 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92713 Chlorinates Standard Price on request 3951.3-1ML 2,2-Dichloropropane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 594-20-7 Price on request 8228.10-100 Tri-allate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2303-17-5 Price on request