EPA Method 632 Spike Standard Back Catalog number: 93970 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10869.13-10-AN U-(13C13)-Citrinin,10 µg/mL,acetonitrile,1.2mL Price on request 672914 Mefenpyr-diethyl, 100mg Price on request 59883X Metals Mix #1 Price on request