Webinar 33 | Is “TPH” always TPH? - What has your lab actually measured?

About the webinar

Most of us are either asking our lab for a particular “TPH” test or receiving “TPH” results specified by someone else. What most people are not asking is whether the received ”TPH” results are fit for their intended purpose, whether that be for human health risk assessment, waste classification, passing WAC and/or finding out what the actual source of the hydrocarbons might be. The challenge is that the labs offer a variety of “TPH” tests, all with different methods and different names, such as EPH, TPH, TPH1, TPH-CWG, mineral oil etc. Unfortunately, these terms mean different things to different labs including different test methods. Critically, getting the wrong test, or not actually understanding what a particular “TPH” test actually entails, can give you concentrations that can cause your waste to be hazardous, fail inert WAC or exaggerate certain bands in your human health risk assessment. [Have you…