ASTM Method D4059 Aroclor 1221 50 µg/g in Transformer Oil Reference Standard

Aroclor 1221 1000 µg/mL in Methanol Reference Standard

Aroclor 1221 1000 µg/mL in Cyclohexane Reference Standard

Aroclor 1221 Reference Standard

Clethodim-sulfone Reference Standard

Clethodim-sulfoxide Reference Standard

TerpiMix 3 2500 µg/mL in Isopropanol Reference Standard

Squalene Reference Standard

Squalane Reference Standard

ASTM Method D4059 Aroclor 1268 50 µg/g in Transformer Oil Reference Standard