Retention Time Marker Solution Iowa OA-2

Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11104-28-2

Tris(2-isopropylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

2-Ethyl-3,6-dimethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13360-65-1