A Preliminary Assessment of Dispersion Level of SO₂ in Fars Industrial Region, South of Iran, by GIS

Table 1

Sampling locations in ten different stations in the industrial regions of Zarghan, Universal Transverse Mercator (UTM) coordinates, and reasons for the selection of that location.

No.	Sampling stations	UTM coordinates	Reasons for selection
1	Municipality	32995362.28MN; 665921.42ME	Municipality location is a suitable point inside Zarghan residential area in mesh boundary.
2	Basij Sq.	3294970.72MN; 666140.93ME	This point is a boundary residential location suitable for examining air pollution due to the SO2 of the highway.
3	Department of education	3295352.39MN; 666550.56ME	This is one of the town central points near a hill and suitable to examine air inversion effects.
4	Old cemetery	3294683.63MN; 667416.25ME	This point is located at southeast of the town on the border line near a hill.
5	Old Sq. (Emam Khomeini Sq.)	3294978.72MN; 666740.94ME	Most of the air pollution in this area is due to heavy terrific jam than the other sources of contamination.
6	End point of town	3295906.31MN; 666331.92ME	This residential point is located at the end of the town and the farthest to the oil refinery.
7	Near way Sq.	3291485.09MN; 663854.37ME	This is the first urban area after oil refinery, located between Zarghan and the oil refinery.
8	Beginning of street	3293675.11MN; 664173.69MN	This is a cross-point of the highway and Zarghan located 60 meters from Shiraz-Tehran highway.
9	Oil refinery	3295362.28MN; 6659211.42ME	Oil refinery is a major source of SO2. Its distances from nearest residential points in towns are 6155 m and 2668 m, respectively.
10	Industrial park	3292829.20MN; 6634148.2ME	This point was selected to examine the pollution roles of the oil refinery and industrial park.