ASTM D1319 Calibration Standard Back Catalog number: 51215 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673532 2,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Price on request C20750000 1,2-Dimethylnaphthalene, certified, 50mg Price on request PN-63S 1,2,3,4,5,6-Hexachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request