EPA Method 625 Base/Neutrals Mix #2

2-Methylthio-3-methylpyrazine (single isomer), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

THM’s - Purgeables Mix #2, 200µg/ml in MeOH, 1ml

4,6,8-Trimethylazulene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 941-81-1