EPA Method 8315 Calibration Mix #1

Trixylyl phosphate, purified ion m/z 396 (pentamethyl),100 µg/mL,isooctane,1mL,

1-(2-Hydroxyphenyl)ethanone  (2-Hydroxyacetophenone), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 118-93-4

Azobenzene