Appendix E Continuous Noise Monitoring Results for December 2025

Site: Lamma Power Station Extension Construction

Measurement Location: Ash Lagoon and Ching Lam

Measurement Parameter: 30-min Leq (07:00-19:00 hrs on normal weekdays)

5-min Leq (07:00-23:00 hrs on holidays and

19:00-23:00 hrs on all other days, and 23:00-

07:00 hrs of next day)

Noise Equipment: B&K 2250 sound level meters and B&K 4231 sound

level calibrator

Lab. Calibration Date: B&K 2250 sound level meters - 18/6/2024 (Ash Lagoon)

7/5/2025 (Ching Lam)

B&K 4231 calibrator (7/5/2025)

Date	Time	Calculated Noise Level at NSR at Long Tsai Tsuen/Hung Shing Ye (dB(A))		Limit Noise Level (dB(A))	Calculated Noise Level at NSR at the school within Tai Wan San Tsuen (dB(A))		Limit Noise Level (dB(A))
		Max	Avg		Max	Avg
1/12/2025	07:00-19:00	---	---	75	38	36	70
1/12/2025	19:00-23:00	43	36	60	41	36	60
1/12/2025	23:00-07:00	37	31	45	45	36	45
2/12/2025	07:00-19:00	40	40	75	53	46	70
2/12/2025	19:00-23:00	42	35	60	41	33	60
2/12/2025	23:00-07:00	38	33	45	45	36	45
3/12/2025	07:00-19:00	---	---	75	40	40	70
3/12/2025	19:00-23:00	41	35	60	35	30	60
3/12/2025	23:00-07:00	---	---	45	45	33	45
4/12/2025	07:00-19:00	---	---	75	56	44	70
4/12/2025	19:00-23:00	39	35	60	44	35	60
4/12/2025	23:00-07:00	36	32	45	45	36	45
5/12/2025	07:00-19:00	---	---	75	53	50	70
5/12/2025	19:00-23:00	43	34	60	48	37	60
5/12/2025	23:00-07:00	38	33	45	41	33	45
6/12/2025	07:00-19:00	---	---	75	45	36	70
6/12/2025	19:00-23:00	42	38	60	41	36	60
6/12/2025	23:00-07:00	38	36	45	43	34	45
7/12/2025	07:00-23:00	50	38	60	53	38	60
7/12/2025	23:00-07:00	37	32	45	45	35	45
8/12/2025	07:00-19:00	---	---	75	44	40	70
8/12/2025	19:00-23:00	43	38	60	48	38	60
8/12/2025	23:00-07:00	41	37	45	45	38	45
9/12/2025	07:00-19:00	---	---	75	66	54	70
9/12/2025	19:00-23:00	43	36	60	49	40	60
9/12/2025	23:00-07:00	36	30	45	45	38	45
10/12/2025	07:00-19:00	---	---	75	54	46	70
10/12/2025	19:00-23:00	40	34	60	41	30	60
10/12/2025	23:00-07:00	36	31	45	42	31	45
11/12/2025	07:00-19:00	---	---	75	49	42	70
11/12/2025	19:00-23:00	41	35	60	46	37	60
11/12/2025	23:00-07:00	44	38	45	44	34	45
12/12/2025	07:00-19:00	---	---	75	66	61	70
12/12/2025	19:00-23:00	42	37	60	56	43	60
12/12/2025	23:00-07:00	45	38	45	45	36	45
13/12/2025	07:00-19:00	38	38	75	36	33	70
13/12/2025	19:00-23:00	41	36	60	52	33	60
13/12/2025	23:00-07:00	40	35	45	40	32	45
14/12/2025	07:00-23:00	46	35	60	48	34	60
14/12/2025	23:00-07:00	41	34	45	38	31	45
15/12/2025	07:00-19:00	---	---	75	59	54	70
15/12/2025	19:00-23:00	43	37	60	46	38	60
15/12/2025	23:00-07:00	36	30	45	43	34	45
16/12/2025	07:00-19:00	46	46	75	43	41	70
16/12/2025	19:00-23:00	44	37	60	41	34	60
16/12/2025	23:00-07:00	38	34	45	39	32	45
17/12/2025	07:00-19:00	47	47	75	40	40	70
17/12/2025	19:00-23:00	42	33	60	43	32	60
17/12/2025	23:00-07:00	40	33	45	45	35	45
18/12/2025	07:00-19:00	---	---	75	60	50	70
18/12/2025	19:00-23:00	40	35	60	57	43	60
18/12/2025	23:00-07:00	39	33	45	44	33	45
19/12/2025	07:00-19:00	---	---	75	43	37	70
19/12/2025	19:00-23:00	40	34	60	44	32	60
19/12/2025	23:00-07:00	40	37	45	45	40	45
20/12/2025	07:00-19:00	43	43	75	45	39	70
20/12/2025	19:00-23:00	45	35	60	42	35	60
20/12/2025	23:00-07:00	37	34	45	45	40	45
21/12/2025	07:00-23:00	44	33	60	60	44	60
21/12/2025	23:00-07:00	39	34	45	45	35	45
22/12/2025	07:00-19:00	---	---	75	57	49	70
22/12/2025	19:00-23:00	42	35	60	57	39	60
22/12/2025	23:00-07:00	45	36	45	45	35	45
23/12/2025	07:00-19:00	---	---	75	56	52	70
23/12/2025	19:00-23:00	42	36	60	42	35	60
23/12/2025	23:00-07:00	36	29	45	45	31	45
24/12/2025	07:00-19:00	---	---	75	---	---	70
24/12/2025	19:00-23:00	42	34	60	37	32	60
24/12/2025	23:00-07:00	39	32	45	45	35	45
25/12/2025	07:00-23:00	49	34	60	52	36	60
25/12/2025	23:00-07:00	39	32	45	43	40	45
26/12/2025	07:00-23:00	50	39	60	41	37	60
26/12/2025	23:00-07:00	40	33	45	38	30	45
27/12/2025	07:00-19:00	28	28	75	---	---	70
27/12/2025	19:00-23:00	47	35	60	36	36	60
27/12/2025	23:00-07:00	39	35	45	35	33	45
28/12/2025	07:00-23:00	46	37	60	54	39	60
28/12/2025	23:00-07:00	36	25	45	33	27	45
29/12/2025	07:00-19:00	---	---	75	40	40	70
29/12/2025	19:00-23:00	44	35	60	44	34	60
29/12/2025	23:00-07:00	39	29	45	31	29	45
30/12/2025	07:00-19:00	41	41	75	36	36	70
30/12/2025	19:00-23:00	45	40	60	49	36	60
30/12/2025	23:00-07:00	38	37	45	45	37	45
31/12/2025	07:00-19:00	---	---	75	54	46	70
31/12/2025	19:00-23:00	44	34	60	57	41	60
31/12/2025	23:00-07:00	40	32	45	45	34	45

Note:

a. “--- “ represents the measured noise monitoring data lower than the established notional background level/discarded under strong wind.

b. Continuous noise monitoring was also carried out at holidays & evening-time (07:00-23:00 hrs on holidays and 19:00-23:00 hrs on all other days) and night-time (23:00-07:00 hrs of next day).