>> I can't find any information regarding the 'gold standard" for evaluating
> environmental cultures on dialysate and RO water. One of our labs uses
> Millipore "paddles" the other spread plates. We need to standardize our
> protocol and answer the question: which method yields clinically accurate data
> at the lowest price. We are trying to set up the protocol but can find no
> references on this issue at all. Can anyone point me in the right direction,
I think that should be the product of some validation experiments.