EPA Method 8120 Analytes

17ß(H),21ß(H)-(22RS)-Trishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 71629-80-6

QC for Chloride and Sulfate Anions

2,6-Di-tert-butyl-4-methylphenol (2,6-Bis(1,1-dimethylethyl)-4-methylphenol), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 128-37-0