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 10155.12-1G 4-Aminoazobenzene, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 60-09-3 Price on request 677572 Hexabromobenzene, 250mg Price on request 3718.20-K-ME Abietic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 514-10-3 Price on request