Method 8430 Calibration Mix

Linear Alkyl Benzene Sulfonate Standard solution, ISO, 10µg/ml, Solvent-water, Unit 50mL, # of units-5, Cas.no. 69669-44-9

4,6-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1207-12-1

Urea Stock Solution