(concentrations : ng.m-3)	Al	Na	Zn		Cd	Cu	Ni	Pb															
(n.m. = not measured)																							
																							
9/10/92			n.m.		0.10	0.39	1.82	5.53															
16/10			10.63		0.34	4.25	1.67	39.25															
23/10			14.92		0.20	2.21	2.21	16.67															
31/10			25.46		0.41	11.03	3.24	58.90															
6/11			24.39		0.44	5.82	3.76	36.84															
13/11			21.93		0.47	4.62	1.60	28.07															
20/11			63.19		0.07	14.98	4.37	121.39															
27/11			22.50		0.33	6.23	3.21	36.17															
4/12			15.88		0.13	4.46	0.65	24.67															
12/12			96.49		1.26	20.25	2.09	86.55															
18/12			142.47		0.90	3.34	2.21	95.56															
24/12			17.53		0.45	0.96	2.04	34.12															
31/12			33.89		0.53	6.91	2.31	48.73