EPA 515 Herbicides - Underivatized

Dibenzothiophene Cocktail 5 Analytes, each concentration as listed in isooctane; units: 1x1mL Relative ratios Chiron No. Name CAS No.

1,2,3,4-Tetrachloro[13C12]dibenzofuran (97.5%), 1.2ml x 48.75ug/ml, toluene

Set Up Mixture 1 S-4264 2 Analytes Units: Use this standard to verify that all instrument components, temperatures, and cut times are accurate. Name: Wt. % MTBE (methyl tert-butyl ether) 5,0 Isooctane 95,0