Diurnal Variation and Spatial Distribution Effects on Sulfur Speciation in Aerosol Samples as Assessed by X-Ray Absorption Near-Edge Structure (XANES)

Table 1

Descriptions of sample type, duration, and location.

Site	Source type	Sampling period	Latitude				Longitude
PSU	Urban residential zone	24/10/07–26/10/07	7°	00′	21.28′′	N	100°	29′	53.27′′	E
TI	Traffic	05/07/07–07/07/07	7°	00′	30.81′′	N	100°	29′	39.21′′	E
CI	Timber	19/07/07–21/07/07	7°	01′	17.55′′	N	100°	29′	41.44′′	E
CPF	Crude oil	24/07/07–26/07/07	6°	54′	16.38′′	N	100°	28′	05.15′′	E
SL1	Rural baseline	27/07/07–29/07/07	7°	10′	02.92′′	N	100°	35′	11.36′′	E
SL2	Rural baseline	20/10/07–22/10/07	7°	10′	02.92′′	N	100°	35′	11.36′′	E
RMF1	Timber	30/07/07–01/08/07	7°	03′	19.97′′	N	100°	37′	58.90′′	E
RMF2	Timber	02/08/07–04/08/07	7°	03′	06.28′′	N	100°	24′	07.77′′	E
BT	Diesel engine	05/08/07–07/08/07	6°	59′	42.78′′	N	100°	28′	58.02′′	E
WI	Solid waste + crude oil	08/08/07–10/08/08	6°	57′	15.43′′	N	100°	24′	00.46′′	E
BF	Charcoal	15/08/07–17/08/07	7°	00′	23.09′′	N	100°	30′	00.54′′	E
PR	Traffic	27/08/07–29/08/07	7°	00′	52.99′′	N	100°	28′	20.50′′	E
KHH	Urban baseline	03/11/07–05/11/07	7°	00′	57.92′′	N	100°	31′	12.76′′	E
BB	Biomass burning	17/11/07	6°	57′	40.45′′	N	100°	33′	06.68′′	E
PTB	Para rubber tree burning	18/11/07	6°	57′	40.45′′	N	100°	33′	06.68′′	E
BKK-L1	Urban baseline	18/02/08	13°	45′	46.30′′	N	100°	32′	25.37′′	E
BKK-L2	Urban baseline	18/02/08	13°	45′	46.30′′	N	100°	32′	25.37′′	E
BKK-L3	Urban baseline	18/02/08	13°	45′	46.30′′	N	100°	32′	25.37′′	E
CM-L1	Urban baseline	25/02/08	18°	47′	02.76′′	N	98°	59′	56.40′′	E
CM-L2	Urban baseline	25/02/08	18°	47′	02.76′′	N	98°	59′	56.40′′	E
CM-L3	Urban baseline	25/02/08	18°	47′	02.76′′	N	98°	59′	56.40′′	E
HY-L1	Urban baseline	17/12/07	7°	00′	20.29′′	N	100°	28′	16.44′′	E
HY-L2	Urban baseline	17/12/07	7°	00′	20.29′′	N	100°	28′	16.44′′	E