Perfluoropropanoic acid, 50µg/ml in MeOH, 1,2ml

(±)-Chlorophacinone-d4 (indanedione-4,5,6,7-d4)

VOC/PAH/Tributylphosphate Mixture 1350,1 Chloroform 500 mg/L 1351,2 1,1,1-Trichloroethane 200 mg/L 2308,8 2-Ethyl-1-hexanol 200mg/L 1300,6 Benzene 100mg/L 1

Custom variation of Lake Michigan PBDEs Lake Michigam PBDEs + PBDE-183 and -209 11 components, each 100µg/mL in toluene 1961.12 2,4,4'-Tribromodiphenyl ether PBDE-28 1962.12 2,2',4,4'-Tetrabromodiphenyl ether PBDE-47 1964.12 2,3',4,4-Tetrabromodiphe