(concentrations : ng.m-3)														
	Al	Na	Zn	 	Cd	Cu	Pb	 	 	 	 	 	 	 
				 				 	 	 	 	 	 	 
07/01/86			16.1	 	0.18	3.5	68.05	 	 	 	 	 	 	 
16/01/86			37.8		0.23	3.8	52	 	 	 	 	 	 	 
05/03/86			50.6		0.41	7.3	73	 	 	 	 	 	 	 
26/03/86			11.4		0.09	2.7	16.85	 	 	 	 	 	 	 
14/04/86			12	 	0.16	3.8	34.5	 	 	 	 	 	 	 
14/05/86			30	 	0.31	3	57.8	 	 	 	 	 	 	 
22/05/86			21.1	 	0.25	3	30.8	 	 	 	 	 	 	 
26/05/86			15.4	 	0.12	2	32.7	 	 	 	 	 	 	 
04/06/86			13.2	 	0.23	3.3	44	 	 	 	 	 	 	 
16/06/86			7.8	 	0.22	3.1	47.3	 	 	 	 	 	 	 
25/06/86			13.5	 	0.14	3.3	19.5	 	 	 	 	 	 	 
18/07/86			50.3	 	1.03	4.8	25.2	 	 	 	 	 	 	 
11/08/86			16.2	 	0.37	9.1	31.5	 	 	 	 	 	 	 
20/08/86			14.1	 	0.13	3.6	16.9	 	 	 	 	 	 	 
25/08/86			13	 	0.17	2.8	11.8	 	 	 	 	 	 	 
22/09/86			20.5	 	0.26	3.8	32.7	 	 	 	 	 	 	 
03/10/86			52.55	 	0.47	6.85	35	 	 	 	 	 	 	 
29/10/86			23.8	 	0.27	9.5	15.9	 	 	 	 	 	 	 
25/11/86			33.9	 	0.59	8.5	56.85	 	 	 	 	 	 	 
15/12/86			19.4	 	0.23	4	29.1