13C,15N2-Nitrofurazone, 10mg

2,2',3,3',4,4',6,6'-Octabromo[13C12]diphenyl ether, 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

6-n-Butylchrysene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 6901-71-9