At the fourth station the worker from Question 5 is situated 1.5 m from the point noise source. To reduce his total 8 hr noise exposure level to below 85 dB(A), what is the minimum distance away from the point source that he should be situated to complete his work?

By die vierde stasie voer die arbeider van Vraag 5 sy werk 1.5 m vanaf die puntgeraasbron uit. Indien sy 8 hr geraasblootstelling tot laer as 85 dB(A) beperk moet word, wat is die minimum afstand tussen die werkstasie en die puntbron?