EPA 502Liquids - Mix B Back Catalog number: 90553 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51051 ASTM D-2887 Column Test Standard Price on request 2942.9-100-NN beta-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL, Price on request L11322000AL Chloridazon-desphenyl, 10 ng/µl, 10ml Price on request