27.05.2013 Views

air, water and soil quality qualité - ER Ambiente - Regione Emilia ...

air, water and soil quality qualité - ER Ambiente - Regione Emilia ...

air, water and soil quality qualité - ER Ambiente - Regione Emilia ...

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Nickel generally displays high levels of extractability, usually > 75%, that does not<br />

change among different horizons.<br />

Lead, in almost all cases provided comparable results, which means that a large<br />

portion of the elements is extractable <strong>and</strong> it suggests association with different<br />

exchangeable sites of clays, Mn Fe <strong>and</strong> Al oxides, organic matter <strong>and</strong> all components<br />

dissolved by AR reaction. An important source related to contamination is<br />

likely to be present, as already pointed out. Some samples from deep horizon in the<br />

Pinewood area display low extractability (

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!