Metals Mix #1 Back Catalog number: 50304 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2768.8-100-AN Atrazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1912-24-9 Price on request 673561 beta-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 51141 WA VPH Marker Standard Price on request