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 92325 Volatile Mix Price on request CBP-236 2,3,6-Trichlorobiphenylene, 1.2ml x 50ug/ml, nonane Price on request 50143 Custom ICP Standard Price on request