EPA Method 551.1 Internal Standard

Triazophos, 100 µg/ml, Toluene, 1ml

3,4-Dimethylaniline, 250mg

Calibration Standard 16 Analytes, each Wt.% as listed; units: 1x1mL, 5x1mL neat This standard can be used for qualitative and quantitative analysis. Chiron No. Name Wt.% Chiron No. Name Wt.% 1231.5