(concentrations : ng.m-3)	Al	Na	Zn		Cd	Cu	Ni	Pb															
(n.m. = not measured)																							
																							
9/1/93			32.39		0.47	8.20	2.65	62.70															
29/1			40.14		0.63	5.17	3.69	38.40															
5/2			112.19		0.70	5.95	5.53	78.14															
12/2			68.88		0.86	7.16	4.16	67.33															
20/2			17.39		0.17	2.47	0.70	28.66															
26/2			17.15		0.39	1.91	0.70	33.14															
5/3			54.57		0.39	4.13	2.70	47.20															
12/3			21.02		0.41	1.91	2.93	n.m.															
19/3			20.95		0.25	4.11	3.64	29.53															
26/3			26.69		0.28	3.18	1.94	64.31															
5/4			29.51		0.34	6.55	2.47	74.99															
9/4			13.65		0.23	2.52	1.76	27.64															
16/4			26.61		0.22	3.71	3.20	29.33															
23/4			12.26		0.11	0.99	1.29	12.18															
30/4			21.46		0.16	4.23	1.97	22.07															
7/5			14.67		0.02	3.99	1.58	29.89															
14/5			18.73		0.34	3.32	2.25	24.93															
25/5			26.91		0.29	8.14	2.24	28.48															
28/5			19.79		0.30	4.79	1.46	23.78															
4/6			26.29		0.37	5.60	1.62	32.32															
11/6			11.75		0.16	4.72	1.19	19.45															
18/6			11.64		0.19	1.81	0.87	23.16															
25/6			26.33		0.27	6.66	0.75	34.91															
2/7			23.63		0.39	2.98	1.98	18.82															
9/7			16.00		0.26	3.13	1.40	19.88															
16/7			16.31		0.33	6.64	1.96	22.61															
23/7			15.28		0.40	4.83	1.79	20.64															
29/7			20.96		0.40	8.13	5.35	43.52															
5/8			19.02		0.40	6.80	2.89	29.16															
12/8			36.85		0.16	9.95	2.04	45.21															
19/8			30.13		0.21	1.30	3.87	48.50															
26/8			19.31		0.22	2.53	1.49	30.57															
2/9			34.45		0.07	3.36	1.45	20.63															
14/9			18,57		0,19	0,04	1,87	31,90															
27/9			14,48		0,18	0,69	0,49	11,30