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Topic: m FC Agar Discoloration  (Read 3626 times)

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macdonda

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m FC Agar Discoloration
« on: August 19, 2005, 10:59:32 AM »
Hi,

A colleague of mine was running some basic fecal counts; the filters were placed on m FC agar; after incubation, the controls were still transparent pink but all of the samples had transparent yellow 'patches' and 'streaks' through them - The water quality parameters that were tested (salinity, pH, ammonia etc...) were within normal ranges

The samples are deep-water river samples.  It looks like a chemical interference..

If anyone has experienced this, I'd appreciate some advice.

Thanks,
Dave

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