POE (9-10) tert-Octylphenol, reduced,neat,neat,100mg,

3-Epi-25-Hydroxyvitamin D2, 50μg/ml, 1ml

Resorcinol, 2000µg/ml in MeOH, 1ml

Daily Quality Control Standard (with Internal Standard) 15 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 11 Ethylbenzene