4-Hydroxybenzoic Acid-d4, 10mg

1,4-Dimethylnaphthalene, 10 µg/ml, Cyclohexane,

Daily Quality Control Standard (with 4 Deuterated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17m-Xylene 3 n-Octane 17

Campesterol, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 474-62-4