2,3,4,6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Daily Quality Control Standard (with 3 Deuterated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane

2-Butanethiol, 1000mg

Iron (Fe)