Formaldehyde (5 ppm)

2-Nitrophenol, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 88-75-5

TFNA, 100 µg/ml, Acetonitrile, 1ml

2,4,5-T-methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1928-37-6