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Mexican Laws in English
NOM-010-STPS-2013, CONTAMINATING CHEMICAL AGENTS IN THE WORK ENVIRONMENT INSPECTION, EVALUATION, AND CONTROL

Published in the DOF April 28, 2014 took effect April 28, 2016

 
(SEE:  related STPS legislation)

COMPARATIVE ANALYSIS

NOM-010-STPS-1999  VS.  NOM-010-STPS-2014

7. TESTING LABORATORIES, ANALYSIS OF RESULTS

EXECUTION OF THE

 

NOM-010-STPS-1999

 

NOM-010-STPS-2014

EVALU

 

 

 

 

ACCREDITATION AND APPROVAL OF TESTING LABORATORIES

 

By procedure or method for the monitoring and quantification of the contaminants in the work environment

 

By analytical technique and by procedure or sampling method and analytical determination

 

 

 

 

 

ANALYSIS OF RESULTS

 

         Correction factor,

         TLV-TWA concentration expressed in ppm

 

         TLV-TWA - threshold limit value - time-weighted average

         Correction factor

         Calculation of the concentrations measured in the work environment

         Obtaining the higher confidence level and

         Comparison of the upper confidence level limit

 

 

 

 

 

 

 

 

 

 

 

EXPOSURE LIMIT VALUES

 

551 Substances

 

764 substances

 

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