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

3,4,6-Trichlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 32139-72-3

10-cis-Undecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-38-9

EPA Method 507 - Internal Standard