Table A2.

Cause-and-effect correlation matrix

EffectsExcess of exams for certain functions with error GHEInability to quantify the concentration of chemical productsInability to quantify the concentration of chemical products and vibrationInability to analyze the concentration of chemical products and vibration with LT and LAIncreased number of exams related to chemicals productsIncreased number of exams related to vibrationIncreased number of exams related to metallic dust, BTX and metallic fumesPCMSO does not correspond to the occupational risks of the companyResultsNo. of causes related to effects
CausesPoints (5 until 10)510101010876TotalTotal
 Inadequate environmental recognition300055001053
Chemical risks assessment procedure does not match with the activities performed in the company555050001754
Monitoring of occupational risks was not performed355555052857
The metal fumes, metal dust and BTX concentration were not compared with its action level (LA) and tolerance limit (TL)00000055653
Inadequate compliance with legal requirement NR 15055533052346
Inadequate compliance with legal requirement NR 9500533551946
Absence of approval of the PCMSO by the QHSE unit00000035512
Inadequate compliance with legal requirement NR 700000005301
 Missing correlation0         
 Weak correlation1         
 Moderate correlation3         
 Strong correlation5         
Source: Authors’ own creation

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