(-)-Nicotine, 10 µg/ml, Methanol, 10ml

Bis(4-hydroxyphenyl)methane

2,3,6,7-Tetrachloroxanthene , 1.2ml x 50ug/ml, toluene

Daily Quality Control Standard (without Internal Standard) 14 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 20 Eth