And,showerheads made of plastic seemed to have higher bacteria levels than metal ones.

VOA: special.2009.10.13

But, now that oil prices moved higher, they found designer bacteria in the lab with biotech.

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The council said the levels of bacteria had been "higher than minimum" and apologised for any inconvenience caused.

BBC: Lincolnshire

They kept adding gold chloride to the water to see how much the bacteria could handle, eventually stopping at 25 times higher than previously researched concentrations.

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