alpha-HCH, 100 µg/ml, Acetonitrile, 5ml

4-Bromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 106-41-2

1332 ppm TDS solution (box of 25x20mL sachet)

Chloramine-T