Aflatoxin B1 (from Aspergillus flavus)

Tetrachloro-m-xylene

1,3-Bis(4-nitrophenyl)urea, 50mg

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