EPA Method 8260B - Purgeable Internal Std Back Catalog number: 22013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2125.12-10-IOX5 Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11104-28-2 Price on request 92844 EPA Method 525.2 Pesticide Level 3 Price on request 679152 13C3-2-NP-AHD, 10mg Price on request