Semi-Volatile Mix #2

N-Ethylthiourea, 100mg

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

Perfluoro-4-ethylcyclohexanesulfonate, 1.2ml x 50ug/ml, methanol