Appendix A - Action and Limit Levels
Table
A-1 Action
and Limit Levels for 1-Hour TSP
|
Location |
Action Level, μg/m3 |
Limit Level, μg/m3 |
|
A2 |
350 |
500 |
|
A3 |
||
|
A4 |
Table
A-2 Action
and Limit Levels for 24-Hour TSP
|
Location |
Action Level, μg/m3 |
Limit Level, μg/m3 |
|
A2 |
186 |
260 |
|
A3 |
200 |
|
|
A4 |
200 |
Table
A-3 Action
and Limit Level for Construction Noise
|
Action Level |
Limit Level |
|
|
0700-1900 hrs on normal weekdays |
One or more complaint(s) received in one week |
75* dB(A) |
|
0700-2300 hrs on holidays & 1900-2300 hrs on all other days |
60/65/70** dB(A) |
|
|
2300-0700 hrs of next day |
45/50/55** dB(A) |
|
(*) reduce
to 70 dB(A) for schools and 65 dB(A) during school examination periods.
(**) to
be selected based on Area Sensitivity Rating. If Specified Powered Mechanical Equipment
(SPME) is employed, the noise limits should be 15 dB(A) less than that shown
above for the restricted hours.