EPA Method 624Mix #1 - Purgeables Back Catalog number: 40221 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50329 Interference Check Standard Price on request 59610 IC Anions Cal Std - COA Level 2 Price on request 11664.12-100-IO 2,3-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request