1-Methylpyrene, 1000µg/ml in MeChl, 1ml

EPA Method 8250/8250A System Performance Check

2,3,7,8-Tetrabromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Enrofloxacin, 100 µg/ml, Methanol, 1ml