EPA Method 525.2 - IS/SS Mix Back Catalog number: 37031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4150-10ML Daily Quality Control Standard (with 3 Fluorinated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene Price on request L12985000CY Disulfoton-sulfone, 10µg/mL in Cyclohexane, 10ml Price on request 10809.30-1MG Chaetocin Price on request