EPA Method 525.1 Standard Back Catalog number: 94572 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C14101000 Heptachlor-exo-epoxide (cis-, isomer B), certified, 10mg Price on request 1986.12-K-MEX5 Diphenyltin dichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 1135-99-5 Price on request 97652 n-Hydrocarbon Mix Price on request