Method 1640 Tuning Standard

1,2,3-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 879-12-9

Metalaxyl, 100 µg/ml, Ethyl acetate, 5ml

2,7-Dichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane