EPA Method 8141A/1657 - Analytes Back Catalog number: 92800 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4503-4K-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 72289 p-Xylene-d10 Price on request DF-238-S 2,3,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request