ICP HM Check Std B

1,4,6-Trichlorodibenzofuran, 1.2ml x 50ug/ml, toluene

2,3,6-Trichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 933-75-5

2-Quinoxalinecarboxylic acid, 100mg