Re: Fw: maximum permissible limits

["Tony Harrison" <Tony.Harrison@state.co.us>]

This question comes up pretty routinely, and I can only relate my experience.  Nothing in the regulations addresses the issue, but unless the regulated and regulators come to a specific agreement, the State has taken the stand that the measured value will be compared to the MPC, and both sides will disregard the uncertainty of the measurement, as long as appropriate QA/QC values are attained.  This leaves both sides about equally unhappy, but the alternative is to spend a fortune on analysis, or years in court letting the lawyers decide.



I predict that eventually the issue will be settled by the courts, leaving both sides about equally unhappy.







Tony Harrison, MSPH

Colorado Dept. of Public Health & Environment

Laboratory and Radiation Services Division

(303)692-3046

tony.harrison@state.co.us





>>> "Franz Schoenhofer" <franz.schoenhofer@CHELLO.AT> 07/25/02 11:58PM >>>

I have only received two comments on my question, which did not answer it. I

do believe that this question must be of really fundamental interest to

anybody, who is checking data for compliance with legal prescription.

Please, if you do not want to answer to the list, answer to me personally.

So I post my question once again.



Franz





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-----------------------------------

>This comment raises for me a very important question: What is the

criterion,

>whether a maximum permíssible concentration has been exceeded? There are

two

>extremes possible: Is it, that the measured value plus x sigma has to be

>below the MPC or is it that the measured value has to be below the MPC plus

>x sigma? The latter criterion is used in most regulations in Austria

>regarding contaminants in food (x=2). The criterion defined by the Austrian

>Standardisation Organisation (which has to be regarded as a recommendation

>and has no real legislative power) is coherent with the first extreme. I

>wonder, what the legislation is in other countries.

>

>Best regards,

>

>Franz

>#

>

>

>

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