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Tutela ambientale del Lago Trasimeno - ARPA Umbria

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6 . S i n t e s i e d a t i<br />

2 8 9<br />

Codice<br />

Punto<br />

Dati analitici sedimento superficiale: metalli<br />

As Cd Cr tot Cr (VI) Fe Mn Hg Ni Pb Cu Se Zn<br />

mg/kg<br />

s.s.<br />

mg/kg<br />

s.s.<br />

mg/kg<br />

s.s.<br />

mg/kg<br />

s.s.<br />

mg/kg s.s.<br />

B1 6.0 < 0.2 36 < 0.5 22000 381 0.16 26.0 13.0 16.0 2.8 35<br />

B5 3.0 < 0.2 38 < 0.5 19000 376 0.10 27.0 9.0 13.0 1.9 33<br />

B6 9.2 < 0.2 69 < 0.5 32800 780 0.14 50.0 22.0 25.0 4.3 62<br />

B7 5.4 < 0.2 11 < 0.5 3800 138 0.04 6.9 3.2 2.6 1.6 12<br />

B10 4.4 < 0.2 28 < 0.5 13800 392 0.07 23.0 9.9 12.0 1.7 26<br />

B13 5.5 < 0.2 71 < 0.5 31500 521 0.08 49.0 23.0 25.0 3.8 58<br />

B14 12.0 < 0.2 88 < 0.5 41400 10000 0.09 65.0 27.0 26.0 4.3 70<br />

B15 8.0 < 0.2 80 < 0.5 41500 606 0.14 62.0 24.0 27.0 3.7 62<br />

B16 11.0 < 0.2 98 < 0.5 41000 761 0.11 70.0 29.0 32.0 5.2 77<br />

B19 6.2 < 0.2 82 < 0.5 30800 602 0.11 62.0 19.0 23.0 4.6 57<br />

B21 5.9 < 0.2 72 < 0.5 37500 575 0.12 52.0 22.0 26.0 4.1 54<br />

B23 5.1 < 0.2 63 < 0.5 25400 524 0.25 41.0 17.0 20.0 3.2 46<br />

B8 11.0 < 0.2 74 < 0.5 34800 694 0.12 48.0 23.0 21.0 3.6 57<br />

B27 8.1 0.2 77 < 0.5 31500 694 0.1 47.0 22.0 22.0 3.6 67<br />

B26 8.8 < 0.2 75 < 0.5 30000 703 0.14 49.0 22.0 20.0 3.1 64<br />

B25 12.0 < 0.2 85 < 0.5 35000 835 0.1 57.0 25.0 23.0 3.6 69<br />

B11 8.4 0.2 97 < 0.5 29500 740 n.d. 62.0 25.0 29.0 3.0 87<br />

B17 11.0 0.2 93 < 0.5 28000 670 n.d. 63.0 24.0 28.0 2.8 96<br />

B4 12.0 0.2 87 < 0.5 28500 690 n.d. 56.0 21.0 26.0 3.6 74<br />

mg/kg<br />

s.s.<br />

mg/kg<br />

s.s.<br />

mg/kg<br />

s.s.<br />

mg/kg<br />

s.s.<br />

mg/kg<br />

s.s.<br />

mg/kg<br />

s.s.<br />

mg/kg<br />

s.s.

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