EPA Method 8040 - Surrogate Standard Back Catalog number: 80403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57190 Thorium (Th) Price on request 2713.13-25MG 2-Methyl-1-[4-(1-methylethyl)phenyl]-1-propanone, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 72846-62-9 Price on request X9213 Vinyl chloride Price on request