Appendix A - Action and Limit Levels

Table A-1 Action and Limit Levels for 1-Hour TSP

Location	Action Level, μg/m^3	Limit Level, μg/m^3
A	328	500
B
C

Table A-2 Action and Limit Levels for 24-Hour TSP

Location	Action Level, μg/m^3	Limit Level, μg/m^3
A	196	260
B
C

Table A-3 Action and Limit Level for Construction Noise

Period	Action Level ^(2)	Limit Level
		N1*	N2*	N3
0700-1900 hrs on normal weekdays	When one documented complaint is received	75 dB(A)		70 dB(A)
1900-2300 hrs on holidays & 0700-2300 hrs on all other days		- ^(1)
2300-0700 hrs of next day		- ^(1)

*Free field noise levels were adjusted with a correction of +3 dB(A)

Notes:

(1) The noise limits shall be determined by EPD during the application of the construction noise permit (CNP).

(2) Stated in the “Environmental Monitoring and Audit Guidelines for Development Projects in Hong Kong“, Appendix D2, Section 2.6, Table 2.1

Remarks: Referring to the fax from DSD (DSD ref.: DP/8/7070CD/DC0206/17) dated of 17^th December 2003, the noise action and limit level has been revised. Table A-3 is already the updated action and limit level for construction noise.

Table A-4 Compliance Level for Water Quality

Monitoring Station	Parameters	Limit
W1	Turbidity Dissolved Oxygen pH Temperature NH4-N	N/A > 4 mg/L < 8 30^oC 20 mg/L
W2.1, W2.2, DP1, DP2, DP3, DP4, DP5, DP6, DP7, DP8	pH Temperature Suspended Solids Chemical Oxygen Demand	6.5 – 8.5 30^oC 30 mg/L 80 mg/L

Remarks: Referring to the fax from DSD (DSD ref.: DP/8/7070CD/DC0206/17) dated of 17^th December 2003, the water quality compliance level has been revised. Table A-4 is already the updated compliance level for water quality.