EPA Method 8250/8250A - Analytes Mix #11 Back Catalog number: 82503 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54595 Phosphorus ASTM D-3231 Price on request 0417.14-150-CY n-Tetradecane , ?13C: -33.13, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-59-4 Price on request 59404 Anions Solution B Price on request