The Chemicals (Hazard Information and Packaging) Regulations 1993

SEVERE EFFECTS AFTER REPEATED OR PROLONGED EXPOSURE

Solid and liquid preparations

3.—(1) —For substances that produce severe effects after repeated or prolonged exposure (R48), the individual concentration limits specified in Table III determine, when appropriate, the classification of solid and liquid preparations and shall determine which particular risk phrases are to be assigned to them.

TABLE III
Classification of the substanceClassification of the preparation
TXn
(*)

In accordance with the approved classification and labelling guide and depending on the classification, the risk phrases R20 to R28 are also to be assigned to indicate route of administration or means of exposure.

T with R48conc. ≥ 10% R48(*) obligatory1% ≤ conc. < 10% R48(*) obligatory
Xn with R48conc. ≥ 10% R48(*) obligatory
Gaseous Preparations

(2) —For gases that produce severe effects after repeated or prolonged exposure (R48), the individual concentration limits specified in Table IIIA below, expressed as a volume/volume percentage, determine, when appropriate, the classification of gaseous preparations and shall determine which particular risk phrases are to be assigned to them.

TABLE IIIA
Classification of the substance (gas)Classification of the gaseous preparation
TXn
(*)

In accordance with the approved classification and labelling guide and depending on the classification, the risk phrases R20, R23 or R26 are also to be assigned to indicate route of administration or means of exposure.

T with R48conc. ≥ 5% R48(*) obligatory0.5% ≤ conc. < 5% R48(*) obligatory
Xn with R48conc. ≥ 5% R48(*) obligatory