WP PCBs in Transformer Oil CALA Back Catalog number: 38239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3174.5-K-IO Ethyl propanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 105-37-3 Price on request 681301 Dipropyl phthalate, 250mg Price on request 1781.10-10MG 1,5-Diaminonaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2243-62-1 Price on request