Appendix E Continuous Noise Monitoring Results for September 2026

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 - 14/4/2026 (Ash Lagoon)

9/7/2025 (Ching Lam)

B&K 4231 calibrator (9/4/2026)

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
1/09/2026	07:00-19:00	52	50	75	40	36	70
1/09/2026	19:00-23:00	42	33	60	41	35	60
1/09/2026	23:00-07:00	---	---	45	37	31	45
2/09/2026	07:00-19:00	52	52	75	30	30	70
2/09/2026	19:00-23:00	---	---	60	47	47	60
2/09/2026	23:00-07:00	---	---	45	40	32	45
3/09/2026	07:00-19:00	---	---	75	---	---	70
3/09/2026	19:00-23:00	---	---	60	---	---	60
3/09/2026	23:00-07:00	---	---	45	36	34	45
4/09/2026	07:00-19:00	---	---	75	---	---	70
4/09/2026	19:00-23:00	35	35	60	37	37	60
4/09/2026	23:00-07:00	42	42	45	41	38	45
5/09/2026	07:00-19:00	---	---	75	---	---	70
5/09/2026	19:00-23:00	---	---	60	---	---	60
5/09/2026	23:00-07:00	---	---	45	36	33	45
6/09/2026	07:00-23:00	48	37	60	38	32	60
6/09/2026	23:00-07:00	45	45	45	28	28	45
7/09/2026	07:00-19:00	51	51	75	---	---	70
7/09/2026	19:00-23:00	37	37	60	---	---	60
7/09/2026	23:00-07:00	45	38	45	24	24	45
8/09/2026	07:00-19:00	---	---	75	---	---	70
8/09/2026	19:00-23:00	40	36	60	37	33	60
8/09/2026	23:00-07:00	41	41	45	42	32	45
9/09/2026	07:00-19:00	---	---	75	---	---	70
9/09/2026	19:00-23:00	38	37	60	43	33	60
9/09/2026	23:00-07:00	32	32	45	43	39	45
10/09/2026	07:00-19:00	59	54	75	---	---	70
10/09/2026	19:00-23:00	29	29	60	39	31	60
10/09/2026	23:00-07:00	39	35	45	42	38	45
11/09/2026	07:00-19:00	---	---	75	36	30	70
11/09/2026	19:00-23:00	30	30	60	37	31	60
11/09/2026	23:00-07:00	34	34	45	38	35	45
12/09/2026	07:00-19:00	---	---	75	42	35	70
12/09/2026	19:00-23:00	44	36	60	41	32	60
12/09/2026	23:00-07:00	45	39	45	43	35	45
13/09/2026	07:00-23:00	36	36	60	40	35	60
13/09/2026	23:00-07:00	42	38	45	44	35	45
14/09/2026	07:00-19:00	47	46	75	38	33	70
14/09/2026	19:00-23:00	53	43	60	40	36	60
14/09/2026	23:00-07:00	45	40	45	44	33	45
15/09/2026	07:00-19:00	---	---	75	37	31	70
15/09/2026	19:00-23:00	37	37	60	32	29	60
15/09/2026	23:00-07:00	39	36	45	41	32	45
16/09/2026	07:00-19:00	---	---	75	30	30	70
16/09/2026	19:00-23:00	37	37	60	35	31	60
16/09/2026	23:00-07:00	28	28	45	40	31	45
17/09/2026	07:00-19:00	---	---	75	42	39	70
17/09/2026	19:00-23:00	38	38	60	39	31	60
17/09/2026	23:00-07:00	36	36	45	38	31	45
18/09/2026	07:00-19:00	---	---	75	40	35	70
18/09/2026	19:00-23:00	37	36	60	39	32	60
18/09/2026	23:00-07:00	---	---	45	39	29	45
19/09/2026	07:00-19:00	---	---	75	38	33	70
19/09/2026	19:00-23:00	38	38	60	35	34	60
19/09/2026	23:00-07:00	31	31	45	30	30	45
20/09/2026	07:00-23:00	49	40	60	44	34	60
20/09/2026	23:00-07:00	35	35	45	---	---	45
21/09/2026	07:00-19:00	56	50	75	40	34	70
21/09/2026	19:00-23:00	---	---	60	34	34	60
21/09/2026	23:00-07:00	---	---	45	---	---	45
22/09/2026	07:00-19:00	52	47	75	35	35	70
22/09/2026	19:00-23:00	35	33	60	40	34	60
22/09/2026	23:00-07:00	---	---	45	43	40	45
23/09/2026	07:00-19:00	50	50	75	37	37	70
23/09/2026	19:00-23:00	36	30	60	31	25	60
23/09/2026	23:00-07:00	---	---	45	38	34	45
24/09/2026	07:00-19:00	56	52	75	40	34	70
24/09/2026	19:00-23:00	37	28	60	32	24	60
24/09/2026	23:00-07:00	45	45	45	36	33	45
25/09/2026	07:00-19:00	43	43	75	---	---	70
25/09/2026	19:00-23:00	39	27	60	34	30	60
25/09/2026	23:00-07:00	45	35	45	39	32	45
26/09/2026	07:00-23:00	53	46	60	---	---	60
26/09/2026	23:00-07:00	---	---	45	---	---	45
27/09/2026	07:00-23:00	49	43	60	44	32	60
27/09/2026	23:00-07:00	45	42	45	---	---	45
28/09/2026	07:00-19:00	51	51	75	42	38	70
28/09/2026	19:00-23:00	---	---	60	31	31	60
28/09/2026	23:00-07:00	---	---	45	29	29	45
29/09/2026	07:00-19:00	---	---	75	---	---	70
29/09/2026	19:00-23:00	---	---	60	---	---	60
29/09/2026	23:00-07:00	---	---	45	39	33	45
30/09/2026	07:00-19:00	---	---	75	37	35	70
30/09/2026	19:00-23:00	39	39	60	49	44	60
30/09/2026	23:00-07:00	43	41	45	38	30	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).