Sulprofos, 100 µg/ml, Acetonitrile, 5ml

2,2',3,3',4,4',5-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no.

EPA O-FID Quantitative Calibration Mixes (with Internal Standard) 5 Analytes, each Wt.% as listed in RFA Gasoline; unit: 5x1mL one of each Std. Analyte Std.1 Std.2 Std.3 Std.4 Std.5