Abstract
Objective: Gauge the sound pressure and temperature levels emitted by the equipment of the drying and sterilization rooms of the Material and Sterilization Center and compare them with the current legislation.
 Method: It is an experimental study with a quantitative approach, implemented in a school hospital in Joao Pessoa-PB. The data were obtained by a sound pressure meter and a thermal stress meter in September 2016.
 Results and Discussion: The data evidenced high sound pressure levels, reaching a mean of 71.25 and 76.25 dB (A), in the drying and sterilization rooms respectively. The levels found do not exceed that recommended by NR15 (Regulatory Norm 15) which is 85dB(A), but NBR 10152/87 (Brazilian Norm 10152/87) indicates levels between 45 and 55 dB(A) for acoustic well-being. As for the temperature the measured mean ranged between 24.91 and 25.87 °C.
 Conclusion: The levels of sound pressure and temperatures found in the environment can cause physiopsychological changes in the professionals that works in this services.
 Keywords: Sound pressure; Temperature; Material and Sterilization Center
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