4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml Back Catalog number: 679107 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11668.12-100-IO 3,4-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL Price on request 72886 N-Nitroso-N-ethylaniline Price on request 94131 EPA Method 507 Analyte Mix #8 Price on request