Calibration Standard 1

Vanadium (V)

4-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride,

EPA 528 rev. 1.0 Internal Standard Solution 2 200µg/mL in dichloromethane; unit: 1x5mL 2081.6 2,3,4,5-Tetrachlorophenol [4901-51-3]