Acids Standard Back Catalog number: 94197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79022 Heptachlor, 1000µg/ml in Hexane, 1ml Price on request 10627.12-50-NN 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL, Price on request 93324 PAH Mix #1 Price on request