2-Chloro[13C12]biphenyl, 50.0µg/mL in Nonane/5% toluene, 1,2ml

Tri-n-butyl phosphate-d27, 1.2ml x 50ug/ml, toluene

7,8,9,10-Tetrahydro-benzo[a]pyren-7-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 6272-55-5

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