Table 4 - 13 in Saidabad Water Treatment Plant Project, Phase III

Table 4-13: OSHA Noise Exposure Limits for the Work Environment (in dBA) Noise LevelsPermissible ExposureNoise LevelsPermissible Exposure8516 hrs11126 min8712 hrs 6 min.11417 min908 hrs11515 min935 hrs 18 min11810 min963 hrs 30 min1216.6 min992 hrs 13 min1244 min1021 hr 30 min1273 min1051 hr1301 min10840 min Note: Exposure above or below the 90 dBA limit have been time weighted to give what OSHA believes are equivalent risks to a 90 dBA 8 hr. exposure (Marsh, 1991, p.322).