EPA Method 507/1656 Nitrogen Phosphorus

3-Chloro-3’,5,5’-triiodo-L-thyronine, 1mg

Sulfur Calibr. Mix. Dibenzothiophene in White oil (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt

2,3,6-Tribromophenol, 1.2ml x 100ug/ml, toluene