PCB No. 2, 100µg/ml in Isooctane, 1ml

Phorate, 10µg/mL in Cyclohexane, 10ml

Copper (Cu)

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.