Tetramethrin, 1000µg/ml in Acetonitrile, 1ml

Precition and Recovery (PAR) Standard Solution Dioxin-like PCBs each in 20ng/mL solution in n-nonane; unit: 1x1mL Chiron No. Dioxin-like PCBs PCB No. CAS No. 2006.12 3,3’4,4’-TetraCB PCB-77 [32598-13-3] 2007.12 3,4,4’,5-TetraCB PCB-81 [703

Aminomethyl phosphonic acid, 100 ng/µl, 1ml

EPA Method 502/524 Surrogate Standard #2