000 00801nab a22002537a 4500
100 _aVaughan, Chris
942 _cAC
040 _beng
041 _aeng
245 _aStreet wise to the dangers of ozone : ozone in the upper atmosphere protects us from the sun ; at ground level the gas is toxic . The US congress , currently redrafting its clear air act ...
260 _c1990
260 _c1990
245 _dVol. 126 , No. 1718
773 _0191492
_wu191492
_9315665
_tNew scientist
_gP. 56-59 Vol. 126 , No. 1718
650 0 _aEarth sciences
520 _aAir quality
520 _aAir pollution
520 _aEnvironmental monitoring
520 _aPollution control
520 _aAtmosphere
520 _aOzone layer
520 _aPollutants
999 _c248148
_d248148
970 _a51
_bMohamad Barham
_c51
_dMohamad Barham