Lamma Power Station Extension - Air Quality Monitoring Data
24-hr TSP  (ug/m3)						1-hr TSP  (ug/m3)
Date	Reservoir	East Gate	Ash Lagoon	Tai Yuen Village		Date	Time	Reservoir	East Gate	Ash Lagoon
	(AM1)	(AM2)	(AM3)	(AM4)				(AM1)	(AM2)	(AM3)
06/04/2004	71	67	80	76		06/04/2004	15:00-15:59	87	81	87
12/04/2004	29	27	29	32			16:00-16:59	81	74	86
18/04/2004	(1)	82	59	63			17:00-17:59	80	75	85
20/04/2004	61	-	-	-		12/04/2004	15:00-15:59	24	28	30
24/04/2004	85	80	76	69			16:00-16:59	30	42	33
30/04/2004	(2)	46	55	54			17:00-17:59	32	30	30
04/05/2004	98	-	-	-		18/04/2004	15:00-15:59	110	144	108
							16:00-16:59	108	133	108
							17:00-17:59	126	167	109
						24/04/2004	15:00-15:59	69	69	76
							16:00-16:59	65	65	74
							17:00-17:59	74	70	78
						30/04/2004	15:00-15:59	55	71	44
							16:00-16:59	63	54	57
							17:00-17:59	73	62	61
(1)  HVAS at AM1 was found defective during collection of filter sample on 19/4/2004.  Defect was rectified on the same day.
A make-up 24 hours TSP sampling at AM1 was conducted on 20/4/2004.
(2)  HVAS at AM1 was found defective during collection of filter sample on 3/5/2004.  Defect was rectified on the same day.
A make-up 24 hours TSP sampling at AM1 was conducted on 4/5/2004.