TFNA-AM, 100 µg/ml, Acetonitrile, 1ml

4-Methoxy-3,5-dichlorobiphenyl,100µg/ml in IO, 1ml

2-Perfluorohexyl (13C2)ethanoic acid (13C2-6:2 FTCA), 50µg/ml in Isopropanol, 1,2ml

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