12 May 2010

Grey water sampling

The past week has been spent conducting water sampling for my SRP subject at uni and so have been getting up before the sun every day. It seems odd to be getting up while it's still dark but usually there is quite a nice sunrise to make it worth it. The water samples I have been collecting have been from a grey water system in Bli Bli. I have been sampling the influent and effluent tanks which will not only let me know what toxins are present in both the samples but also if the membrane filtration system is working. The particular system hasn't been serviced for about a year so it will be interesting to see how it goes.

Me preparing water for the solid phase extraction.

The rest of the day (and I do me the rest of the day) was spent in the lab filtering the samples. The samples have to be filtered through a special filter that collects the toxins in the water. Unfortunatly this can only be done in 6 mL lots and so filtering the samples takes quite a while (on average being about 5 or 6 hours depending on the amount of particulate matter in the samples).

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