SCHEDULE 3 CLASSIFICATION PROVISIONS FOR PREPARATIONS DANGEROUS FOR SUPPLY

PART II CONCENTRATION LIMITS TO BE USED IN APPLYING THE CONVENTIONAL METHOD OF ASSESSING HEALTH EFFECTS IN ACCORDANCE WITH PART I OF THIS SCHEDULE WHERE NO SUCH LIMITS ARE GIVEN IN THE APPROVED SUPPLY LIST

3.2 Gaseous preparations
For gases that produce severe effects after repeated or prolonged exposure (R48/route of exposure), the individual concentration limits specified in Table IIIA below, e⅔ xpressed as a volume/volume percentage, determine, when appropriate, the classification of the preparation.
TABLE IIIA
Classification of the substance (gas)	Classification of the preparation	
T	Xn
T + with R48/route of exposure	concentration > 5% R48 obligatory	0.5% < concentration < 5% R48 obligatory
Xn with R48/route of exposure		concentration > 5% R48 obligatory
(*) In order to indicate the route of administration/exposure the combined R phrases listed in paragraphs 44, 45 and 46 of the approved classification and labelling guide shall be used.		