EPA Method 525 Standard Back Catalog number: 94574 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0944.19-K-IO 3-Methyloctadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6561-44-0 Price on request 72035 Triphenyltin chloride Price on request 51161 Sulfur in Isooctane - 0.001 Wt% Price on request