PBB-No. 10 10 µg/mL in Cyclohexane, 10ml

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

Bromodichloromethane

Heptachlor endo-epoxide, 100µg/ml, Acetonitrile, 5ml