Research And Measurement Of Factors Harmful To Health In The Work Environment. Each Report On Tests And Measurements Of Harmful Factors Must Include A Card Of Tests And Measurements Of Harmful Factors, Which Includes, Among Others: Interpretation Of The Results Obtained And The Date Of The Next Test And Measurement. In The Case Of The Em Field Report, It Is Mandatory To Include A Tabular And Graphical Diagram, Exposure Time For A Given Workplace.