000			00548cam a2200157 a 4500
999			_c7871 _d7871
020			_a9221023265 (pbk.) :
082	0	0	_a615.910212 _bO25
245	0	0	_aOccupational exposure limits for airborne toxic substances : a tabular compilation of values from selected countries
250			_a2nd rev. ed.
260			_aGeneva : _bInternational Labour Office _c1980.
300			_avi, 290, [24] p. : _bill. ; 20 x 29 cm.
490			_aOccupational Safety and Health
650		0	_aThreshold limit values (Industrial toxicology)
650		0	_aAir
942			_cBK