Interference Standard 4 Back Catalog number: 53041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673595 Fenvalerate, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 2108.20-K-IO Totarol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 511-15-9 Price on request 11700.12-100-IO 2,3',4,5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request