Method 200.7 Single Element Kit Back Catalog number: 52250 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79464 Nonyl aldehyde Price on request 3361.14-100-DC 2,4'-DDE, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 3424-82-6 Price on request 11703.12-100-IO 2,3',5,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request