EPA Method 8141 / 1618 Pesticide Mix B Back Catalog number: 91398 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680129 Fenthion-oxon-sulfoxide, 50mg Price on request S-4502-750-25IO Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request 0142.18-K-T m-Terphenyl, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 92-06-8 Price on request