EPA Method 8141 Standard Back Catalog number: 93595 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679112 Tetrachlorvinphos, 10.0 µg/ml, Cyclohexane, 10ml Price on request 676422 Ketoprofen, 100mg Price on request 1529.24-100-T Dibenzo[a,i]pyrene-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 158776-07-9 Price on request