Spiking Standard #2

2-Hydroxy-4-methoxybenzophenone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 131-57-7

pH 9.0 Standard @ 25°C

Dialy Quality Control Standard (without Internal Standard) 2 Analytes, each Vol.% as listed in isooctane; units: 1x10mL, 5x10mL. Name Vol.% Benzene 0.67 Toluene 5.0 Isooctane 94.33