Aqueous ethanol control EtOH AQ (1.0g/L), 10 x 3.0ml

2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules

Method 200.8 / 1638 / 1640 Internal Standard, in 2%-HNO3/Water, 4x25ml

Bis(2-ethylhexyl) adipate, 1000 µg/ml, Methanol,