EPA Method 8260B Surrogate Standard Back Catalog number: 23002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10915.22-K-AN Diltiazem-d3 hydrochloride (acetoxy-d3),1000 µg base/mL,acetonitrile,1mL Price on request 66003 PCB No. 3, 100µg/ml in Isooctane, 1ml Price on request 66050 PCB No. 50, 100µg/ml in Isooctane, 1ml Price on request