GC/MS Calibration Standard Mix #1

(+/-)-Cotinine-d3 (N-methyl-d3), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 110952-70-0

EPA Method 602/8020

4-n-Nonylphenol, 10.0 µg/ml, Acetonitrile, 10ml