EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79696 Pyrene-d10, 1000µg/mL in acetonitrile, 1ml Price on request 2776.10-100-DC Heptachlor, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 76-44-8 Price on request 96454 Volatile Mix Price on request