PCB No. 30, 100µg/ml in CY, 5ml

Formaldehyde-DNPH Level 4 (2ug/mL)

Antidepressant Mix 02, 100μg/ml in MeOH, 1ml

Petrochemical Internal Standard C14-C17 4 Analytes, equal Wt.%; unit : 25ml screw-capped bottle n-Tetradecane C14 n-Hexadecane C16 n-Pentadecane C15 n-Heptadecane C17