EPA Method 525.2Mix Back Catalog number: 92367 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72501 2-Bromoacetophenone Price on request 677562 L-Histidine hydrochloride monohydrate, 250mg Price on request 3319.6-100-DC alpha-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 319-84-6 Price on request