EPA Method 632 Spike Standard Back Catalog number: 93970 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0490.8-K-IO 2,2'-Dithienyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 492-97-7 Price on request 71523 Stoddard Solvent Price on request 57032 Germanium (Ge) Price on request