Acetaminophen-d3, 1mg

1,2,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Furosemide, 1000µg/ml in MeOH, 1ml

2,3,4,4',6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,