EPTC, analytical standard (Supelco)

Heptachlor 1000 µg/mL in Methanol, analytical standard (Supelco)

Heptachlor 200 µg/mL in Octane, analytical standard (Supelco)

2,4'-DDT, analytical standard (Supelco)

Camphechlor (Toxaphene) 5000 µg/mL in Methanol, analytical standard (Supelco)

Camphechlor (Toxaphene) 1000 µg/mL in Octane, analytical standard (Supelco)

Ametryn, analytical standard (Supelco)

alpha-HCH D6, analytical standard

Dinoseb, analytical standard (Supelco)

Fenoprop 5000 µg/mL in Methanol, analytical standard (Supelco)