EPA Method 8260 Internal Standard - Revised

Methanol QC Reference Mixture II 10 Analytes, each 200 ppm in 99.9 % methanol; units: 1x10mL, 5x10mL Chiron No. Name Chiron No. Name 1381.2Methyl formate 1370.5 3-Pentanone 1377.4 2-Butanol

Conductance @ 20°C [500 µmho/cm]

4,4’-Diamino-3,3’-dimethyldiphenylmethane