O,O-Dimethyldithiophosphate, ammonium salt Back Catalog number: 10410.2-50MG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended M4H159 2',3,3',4',5,5'-Hexachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Price on request NK-LCS-T Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane Price on request 79244 EPA Method 8330 Analyte Price on request