How PNCQ Works

1. PNCQ sends the control samples, according to the contract, in the first or second week of the month;

2. The participating laboratory receives, analyzes the control samples and sends the results until the 5th of the following month;

3. PNCQ, with the results of all the participating laboratories makes all the statistical calculations of the results, by means of a computerized program;

4. PNCQ  provides in until 48 hours, after the 5th, through its page in internet,  the general report of the lot evaluation and of the participating laboratories.  


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