Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml

Sulfur Calibration Stock Solution Thiophene 1000 µg/mL in Toluene; unit: 5x1mL ampoules Please request for diluted samples in the range 1 to 1000 ng/mL.

EPA Method 8330 Analyte

Quinmerac, 100 µg/ml, Acetonitrile, 5ml