EPA Method 502/524 Volatile Standard Back Catalog number: 32001R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59516 Hexavalent Chromium (Cr 6+) Price on request 92572 ISTD/Surrogate Standard 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