1,3,7,8-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Daily Quality Control Standard (with 4 Deuterated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17m-Xylene 3 n-Octane 17

N-Nitrosopyrrolidine-d8, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 1219802-09-1

1,4-Chrysenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 100900-16-1