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

AM4

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

AM4

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

NM1

When one documented complaint, related to 0700 1900 hours on normal weekdays, is received

from any one of the sensitive receivers

65/70 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