Interference Standard 4 Back Catalog number: 52041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2162.12-50-IO 6-Fluoro-2,3',4,4'-tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 87310-24-6 Price on request 679913 Picoxystrobin M3, 50mg Price on request 82515 EPA Method 8250 - Acid Matrix Spiking Solution Price on request