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Programas de Monitorização Radiológica Ambiental - Instituto ...

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Vigilância Radiológica a Nível Nacional (Ano 2010)<br />

Tabela III.7 – Bacia do Rio Zêzere: activida<strong>de</strong> específica <strong>de</strong> radionuclidos na matéria em suspensão (> 0,45 µm) na água <strong>de</strong> ribeiros e rios, e <strong>de</strong> poços<br />

(Bq kg -1 peso seco).<br />

Designação<br />

Id.<br />

238 U<br />

235 U<br />

234 U<br />

230 Th<br />

226 Ra<br />

210 Pb<br />

210 Po<br />

232 Th<br />

17-21.5.2010<br />

Ribeira <strong>de</strong> Quarta-Feira #1 1735±49 81,2±6,8 1809±51 424±19 5592±576 1686±79 1417±58 74,8±5,4<br />

Ribeira <strong>de</strong> Quarta-Feira #2 4613±143 218±21 4604±143 1026±49 7866±565 2275±143 3029±140 202±17<br />

Ribeira <strong>de</strong> Quarta-Feira #3 4818±167 218±26 4690±164 1092±52 42582±5301 5395±320 3702±169 134±13<br />

Mina da Carrasca #4 21255±574 1036±41 21342±577 7810±283 15610±932 51049±1698 15963±368 31,2±3,1<br />

Ribeira <strong>de</strong> Valverdinho #5 8649±362 439±75 8990±370 2190±129 104188±8303 13320±953 4821±325 428±52<br />

Mina da Bica #6 48815±1424 2097±153 47778±1399 56882±6244 817089±31325 125704±5493<br />

Ribeira <strong>de</strong> Valverdinho #7 10996±274 497±36 10740±269 2701±130 80176±9845 12762±671 6373±278 392±37<br />

Quarta-Feira #8 2302±61 107±9 2338±62 757±35 19593±2239 2689±151 4410±177 117±10<br />

Quarta-Feira #9 2681±69 130±9 2535±66 747±34 3839±349 1838±70 4474±192 101±9<br />

Quarta-Feira #10 2119±71 76±10 2104±70 691±66 7750±1220 2351±100 1223±67 134±28<br />

Quarta-Feira #11 2053±53 87±7 2062±54 884±39 1915±134 1719±60 2744±122 158±11<br />

2 a 6 <strong>de</strong> Agosto <strong>de</strong> 2010<br />

Água Belas, poço #1 94762±2703 4418±231 94070±2686 2966±152 11776±633 26573±1096 53620±1972 382±38<br />

Quarta-Feira, poço #2 48470±1267 2188±127 46916±1232 4371±179 26348±2067 27579±1162 105294±4378 389±34<br />

Junto à mina da Bica #3 4199±105 194±11 3984±100 357±17 1956±161 1511±76 6278±159 46,1±4,7<br />

121

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