commiss direct establish indic limit valu implement council direct eec protect worker risk relat exposur chemic physic biolog agent work eec commiss european commun regard treati establish european econom commun regard council direct eec novemb protect worker risk relat exposur chemic physic biolog agent work amend direct eec subparagraph articl thereof regard opinion advisori committe safeti hygien health protect work subparagraph articl direct eec state indic limit valu reflect expert evalu base scientif data aim fix valu harmon condit area maintain improv made direct constitut practic step achiev social dimens intern market occup exposur limit valu regard import part approach ensur protect health worker workplac initi list occup exposur limit valu establish agent similar valu exist member state give prioriti agent found place work effect health worker list base exist scientif data effect health concern agent data limit addit establish occup exposur limit valu shorter period take account effect aris short term exposur refer method cover inter alia assess exposur measur strategi occup exposur limit valu contain direct eec view import obtain reliabl measur exposur relat occup exposur limit valu futur establish refer method occup exposur limit valu review revis scientif data longer valid agent futur absorpt pathwai includ possibl penetr skin order ensur level protect measur laid direct conform opinion committe set pursuant articl direct eec adopt direct articl indic limit valu member state account inter alia establish limit valu refer articl direct eec list annex articl member state bring forc provis compli direct decemb immedi inform commiss thereof member state adopt provis refer direct accompani refer time offici public procedur refer adopt member state member state commun commiss provis nation law adopt field govern direct articl direct address member state brussel commiss vasso papandr member commiss oj oj annex indic limit valu occup exposur einec ca agent limit valu mg ppm nicotin formic acid acet acid methanol acetonitril picric acid naphtalen nitrobenzen resorcinol diethylamin pyridin carbon dioxid oxal acid cyanamid calcium dihydroxid disphosphoru pentaoxid disphosphoru pentasulphid cresol isom platinum metal lithium hydrid bromin phosphoru pentachlorid nitrogen monoxid pyrethrum barium solubl compound ba silver solubl compound ag tin inorgan compound sn einec european inventori exist chemic substanc ca chemic abstract servic number measur calcul relat refer period hour mg milligram cubic metr air kpa mm mercuri pressur ppm part million volum air ml exist scientif data health effect limit