Methidathion, 100 µg/ml, Toluene, 1ml

4-tert-Butyl-d9-phenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL,

Lofentanil, 1mg

Custom mix of naphthalenes, diluted Same components as S-4747, at lower concentrations 0711.10 Naphthalene 92µg/mL 0713.11 2-Methylnaphthalene 233 0721.12 1,2-Dimethylnaphthalene