2,3,5,6-Tetrachlorophenol, 100µg/ml in MeOH, 5ml

2,3,4,6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Diphenanthro[9,10-b;9',10'-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 202-72-2

[13C3]-Cyanuric Acid, 1.2ml x 100ug/ml, water