Tetrachlorvinphos, 100 µg/ml, Acetonitrile, 5ml

EPA Method 551 - Analytes Mix “B”, 2000µg/ml in MTBE, 1ml

1,3,4-d3-2-Isopropylthioxanthone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

o-Dianisidine, 100mg