Method 8270A

1,2,3,5-Tetrachlorobenzene, 100 µg/ml, Methanol,

Indigo dye

2-Methylthio-3-methyl- and 2-methylthio-5-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.