The cost-cutting and eco-friendly analyzer with the patented QCL-IR technology allowing an extraction with the inexpensive and CFC-free solvent Cyclohexane. The cost-cutting and eco-friendly analyzer with the patented QCL-IR technology allowing an extraction with the inexpensive and CFC-free solvent Cyclohexane. With its high speed and precision, it is the instrument of choice to detect even sub-ppm concentrations of total petroleum hydrocarbons (TPH) or total oil & grease (TOG) in water in full compliance with ASTM D7678.