Custom Calibration Standard

2,4'-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Benzo[b]naphtho[1,2-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-39-0

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