2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene

4-n-Octylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1806-26-4

Doxycycline hyclate, 100 µg/ml, Methanol, 1ml

EPA Method 632 Spike Standard