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2	COD	506.0	450.8	432.5	343.7	297.1	153.7	95.6	66.5	61.7	60.5
2	PO43--P	14.52	15.21	15.27	18.06	20.85	11.04	8.36	4.94	2.45	2.28
3	COD	560.8	444.0	151.0	56.7	54.3	51.1	47.6	45.6	46.0	46.0
3	PO43--P	12.58	12.90	19.46	23.87	24.30	17.10	10.36	4.31	1.85	1.65
4	COD	392.7	319.5	242.4	232.2	70.3	60.5	43.4	37.8	33.3	33.0
4	PO43--P	1.00	10.21	13.43	14.32	16.53	8.04	6.23	3.32	1.36	1.00

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