Result and discussion
Direct measurement results
Equivalent sound pressure level was measured at different time intervals of 10, 15, and 30 min during the weekdays (Table 5). Non-parametric test was used to test normal distribution of sound level values recorded during workings days and holidays. p-Values of higher than 0.05 indicated normal distribution of the variables. Table 6 gives the values of equivalent-continuous A-weighted sound pressure at the intervals of 10, 15, and 30 min in working- and holidays.