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4.1 The position on contamination was unknown for over half of the vacant and derelict land in the survey. For derelict land, 460 sites (3,162 hectares) were either suspected or known to be contaminated.

Table 7: Contamination of vacant and derelict land1

	Derelict Land			Vacant Land			Total Vacant and Derelict Land
	Area (ha)	% of area	No. of Sites	Area (ha)	% of area	No. of Sites	Area (ha)	% of area	No. of Sites
Known Contamination	1,490	35	181	-	-	-	1,490	23	181
Suspected Contamination	1,672	39	279	-	-	-	1,672	26	279
Not Suspected	1,136	26	727	2,033	99	1,323	3,169	50	2,050
Tested and found not
to be affected	20	0	2	18	1	7	38	1	9
Unknown 2	4,164	-	1,357	2,568	-	1,618	6,732	-	2,975
Total	8,482	100	2,546	4,618	100	2,948	13,101	100	5,494
¹ Figures may not sum due to rounding.
² Unknown values are exludeed from the calculation of percentaqes.

4.2 For contaminated derelict land, where the type of contamination was known, coal was in the most common contaminant and was present on 59 per cent of contaminated land where the contaminant was known (646 hectares). This can be seen in Table 8.

Table 8: Type of contamination of derelict contaminated land¹

Type of contamination	Derelict land where contamination is known
Type of contamination	Area (ha)	% of area	No. of Sites
Copper, Nickel, Zinc	5	0	4
Cyanides	1	0	1
Phenols	1	0	1
Coal Tars	3	0	3
Asbestos	28	3	6
Coal	645	59	39
Other combustible materials	47	4	7
Gases	108	10	15
Chromium	8	1	2
Other contaminants	255	23	18
Unknown ²	389	-	85
Total	1490	100	181
¹ Figures may not sum due to rounding.
² Unknown values are exludeed from the calculation of percentaqes.

4.3 Table 9 shows land known to be contaminated, categorised by Local Enterprise Company. Of the 1490 hectares of contaminated derelict land, 428 hectares (29%) is in the Fife Enterprise area. Enterprise Ayrshire with 227 hectares (15%) and Glasgow Development Agency with 196 hectares (13%) have the second and third largest proportions of the national total respectively.

Table 9: Known Contaminated land by Local Enterprise Company¹

Local Enterprise Company	Derilect land where contamination is known
Local Enterprise Company	Area (ha)	% of area	No. of Sites
Forth Valley	67	4	5
Dumfries and Galloway	129	9	2
Fife	428	29	12
Grampian	2	0	1
Caithness and Sutherland	0	0	1
Inverness and Nairn	45	3	3
Ross and Cromarty	62	4	3
Skye and Lochalsh	0	0	1
Lothian and Edinburgh	107	7	13
Argyll and the Islands	4	0	2
Dunbartonshire	77	5	17
Enterprise Ayrshire	227	15	78
Glasgow Development Agency	196	13	25
Lanarkshire Development Agency	120	8	11
Renfrewshire	16	1	2
Tayside	11	1	5
Total	1490	100	181
¹ Figures may not sum due to rounding.

4. Contamination of vacant and derelict land

Table 7: Contamination of vacant and derelict land1

Table 8: Type of contamination of derelict contaminated land1

Table 9: Known Contaminated land by Local Enterprise Company1

Table 8: Type of contamination of derelict contaminated land¹

Table 9: Known Contaminated land by Local Enterprise Company¹