EPA Method 504 - EDB & DBCP Back Catalog number: 19211 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9388.12-100-IO 2,2',5,6'-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 41464-41-9 Price on request 673731 Ametryn, 100 µg/ml, Ethyl acetate, 5ml Price on request 90224 Internal Standard Solution Price on request