Appendix D - Summary of Action and Limit
Levels
Table
1 – Action and Limit Levels for 1-hour TSP
Location |
Action Level |
Limit Level |
AM1A |
302.1 mg/m3 |
500 mg/m3 |
AM2 |
301.9 mg/m3 |
500 mg/m3 |
AM3 |
301.9
mg/m3 |
500 mg/m3 |
AM4A |
302.3
mg/m3
|
500 mg/m3 |
Table
2 – Action and Limit Levels for 24-hour TSP
Location |
Action Level |
Limit Level |
AM1A |
176.6 mg/m3 |
260 mg/m3 |
AM2 |
178.6 mg/m3 |
260 mg/m3 |
AM3 |
193.1
mg/m3 |
260 mg/m3 |
AM4A |
198.5
mg/m3
|
260 mg/m3 |
Table 3 – Action and
Limit Levels for Construction Noise (0700-1900 hrs of normal weekdays)
Location |
Action Level |
Limit Level |
NM1A |
When one documented complaint, related to 0700 – 1900 hours on normal
weekdays, is received from any one of the sensitive receivers |
75 dB(A) |
NM2 |
75 dB(A) |
|
NM3 |
65/70 dB(A)* |
|
NM4 |
75 dB(A) |
|
NM5 |
75 dB(A) |
|
NM6 |
65/70 dB(A)* |
|
NM7 |
75 dB(A) |
*Daytime noise Limit
Level of 70 dB(A) applies to education institutions, while 65dB(A) applies
during school examination period