EPA Method 504 - EDB & DBCP Back Catalog number: 93491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4503-400-25LW 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 675387 2-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1 Price on request 32811 n-Octane Price on request