EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml Back Catalog number: EPA-537PDSL-R1 Availability: In the manufacturer's stock Price on request - + Recommended 673587 Fenitrothion, 10.0 µg/ml, Ethyl acetate, 10ml Price on request XA10655503AL Bisphenol A D14, 100 ng/µl, 1.1ml Price on request MBDE-207 2,2',3,3',4,4',5,6,6'-Nonabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene Price on request