1,3,6,8-Tetrachloro-9H-carbazole, 1.2ml x 50ug/ml, nonane

Performance Control Mixture 4 Analytes each Wt.% as listed; units: 1x1mL, 5x1mL neat Name Wt. % Name Wt. % n-Hexadecane 75.0 Tetralin 3.0 Naphthalene 2.0

2,2',3,3',4,4',6-Heptachlorobiphenyl (171)

alpha-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10m