EPA Method 8240A Mix #2 Back Catalog number: 84422 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4503-100LW-KIT Phosphorous Standards Phosphorus in Light White Mineral Oil, 20Cst Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request 674602 Clodinafop free acid, 10.0 µg/ml, Acetonitrile, Price on request 682120 Desacetyl cephapirin sodium salt, 10mg Price on request