EPA Method 1666Labeled Standard Back Catalog number: 82493 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L17305000AL Terbuthylazine-2-hydroxy, 10 ng/µl, 10ml Price on request 8929.18-100-W Iopromide, 100µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 73334-07-3 Price on request 679308 Dimethyldioctadecylammonium chloride, 25mg Price on request