2,4-DB

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

5,6,6a,11a-Tetrahydro-11H-benzo[a]carbazole, 200µg/mL, Solvent- toluene, Unit 1mL, # of units-1, Cas.no. 112901-06-1

alpha alpha alpha (20R,23R,24S)-4 alpha,23,24-Trimethylcholestane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 146276-33-7