Benzo(b)fluoranthene (D12,98%), 200µg/mL in Isooctane, 1,2ml

Catechol

2,2',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-75-2

Daily Quality Control Standard (with 4 Fluorinated 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 17