pH 12.45 buffer solution (230mL)

Tris(2-chloropropyl) phosphate,50 µg/mL,toluene,1mL,

Hexachlorobenzene, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 118-74-1

EPA Method 502.2/524.2 - Liquids, VOC, 200ug/ml in MeOH, 1ml