1,2,4,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml

2,3,3',4,4',5,5'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Methabenzthiazuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18691-97-9

3 VOC Mix #2