| 000 | 00550cab a2200181 4500 | ||
|---|---|---|---|
| 001 | WB2613-03 | ||
| 008 | 090401t1990 xxu||||| |||| 00| 0 eng d | ||
| 035 | _a(Sirsi) u22613 | ||
| 041 | _aeng | ||
| 245 | _aRadon gas in homes | ||
| 260 | _c1990 | ||
| 350 | _a0 | ||
| 490 |
_aFinancial Times _v24/3/90 p X11 |
||
| 520 | _aThe NRPB would like to see the maximum measurement of radon , before taking steps to protect properties, halved to 200 becquerels per cubic metre of air | ||
| 690 | _aBUILT ENVIRONMENT | ||
| 942 | _n0 | ||
| 948 | _c04/03/1997 | ||
| 999 |
_c15154 _d15154 |
||