Updates

Compare EPA Method 1664A oil and grease analysis with UV fluorescence, including method scope, operational use and site-specific correlation.

An engineering overview of the OSPAR produced-water dispersed-oil performance standard and the role of operational oil-in-water monitoring.

Understand factors affecting UV fluorescence oil-in-water results, including oil composition, matrix fluorescence, fouling and sampling.

Learn what total petroleum hydrocarbons means, how TPH in water is measured and how it differs from a UV fluorescence oil-equivalent result.

Practical guidance for representative oil-in-water sampling, covering location, containers, mixing, transport and quality-control checks.

Compare UV fluorescence, infrared and gravimetric oil-in-water analysis, including what each method measures and where it is most useful.

Understand free, dispersed, emulsified and dissolved oil in water, and how each form affects sampling, treatment and measurement.

Understand ppm, mg/L and µg/L in oil-in-water analysis, including approximate equivalence and why the measurement method still matters.