BTEX (5.0 µg/mL)

Pyrene-1-sulfonic acid sodium salt, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 59323-54-5

2-Nitrophenol-PFB derivative

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