Efecte biologice ale campului electromagnetic de ... - EcoMagazin
Efecte biologice ale campului electromagnetic de ... - EcoMagazin
Efecte biologice ale campului electromagnetic de ... - EcoMagazin
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function<strong>ale</strong> din mediul urban care trebuie comparate cu limitele conform preve<strong>de</strong>rilor<br />
STAS 10009-88.<br />
Tabel. Valorile admisibile <strong>ale</strong> nivelului <strong>de</strong> zgomot la limita zonelor function<strong>ale</strong> din<br />
mediul urban, conform preve<strong>de</strong>rilor STAS 10009-88.<br />
Nr crt<br />
Nivelul <strong>de</strong><br />
zgomot echiv<strong>ale</strong>nt Lech<br />
Spatiul consi<strong>de</strong>rat [dB]<br />
1. Parcuri , zone <strong>de</strong> recreere si<br />
odihna, zone <strong>de</strong> tratament balneoclimatic<br />
45<br />
2. Incinte <strong>de</strong> scoli, crese, gradinite,<br />
spatii <strong>de</strong> joaca pentru copii.<br />
75<br />
3. Stadioane, cinematografe in aer<br />
liber.<br />
90 x<br />
4. Piete, spatii comerci<strong>ale</strong>,<br />
restaurante in aer liber.<br />
65<br />
5. Incinta industriala 65 x<br />
6. Parcaje auto 90<br />
7. Parcaje auto cu statii service<br />
subterane<br />
70<br />
8. Zone feroviare xx 70<br />
9 Aeroporturi xxx 90<br />
Timpul care se ia in consi<strong>de</strong>ratie la <strong>de</strong>terminarea nivelului <strong>de</strong> zgomot echiv<strong>ale</strong>nt este<br />
cel real corespunzator duratei <strong>de</strong> serviciu.<br />
Limita zonei feroviare se consi<strong>de</strong>ra la o distanta <strong>de</strong> 25 m <strong>de</strong> axa liniei ferate celei mai<br />
apropiate <strong>de</strong> punctul <strong>de</strong> masurare.<br />
In functie <strong>de</strong> aceste valori se fixeaza valorile admisibile <strong>de</strong> zgomot acustic in interiorul<br />
diferitelor spatii .<br />
Nr.crt Spatiul consi<strong>de</strong>rat Nivelul <strong>de</strong> zgomot<br />
echiv<strong>ale</strong>nt , Lech [db]<br />
1. Parcuri 60<br />
2. Zone <strong>de</strong> recreere si odihna, zone <strong>de</strong><br />
tratament medical si balneo-climatic<br />
45<br />
3. Incinte <strong>de</strong> scoli, crese, gradinite, spatii <strong>de</strong> 85<br />
joaca pentru copii.<br />
4. Piete, spstii comerci<strong>ale</strong>, restaurante in<br />
aer liber<br />
70