Singapore legislation
Regulation 23
Regulation 23
Declaration of safety
Subregulation 1
A person other than a member of the fumigating staff must not be permitted to enter the fumigation area after fumigation until both the fumigation area and the risk area are declared safe for re‑entry by means of a written declaration in Form G set out in the Schedule served by the operator on all persons to whom the notice required by regulation 17 has been served.
Subregulation 2
The declaration mentioned in paragraph (1) must not be given until —
the fumigation area has been ventilated in such a manner and for such period as is effective to secure that the area is free from danger;
it has been established by tests, other than the sense of smell that the premises are free from danger. For this purpose the operator must be equipped with test papers or other means approved by the Director‑General for objectively testing the atmosphere;
all residues of the materials used for fumigation have been removed;
all water taps have been turned on for at least one minute and the water allowed to run to waste;
all water closet cisterns have been emptied and the pans adequately flushed;
all other receptacles containing water or other liquid which is liable to absorb fumigant or gas arising therefrom have been emptied; and
all bedding, blankets, pillows, clothing, cushions and other articles which are liable to absorb the fumigant or gas arising therefrom have been well shaken or beaten or aired until they are free from any dangerous concentration of fumigant or gas arising therefrom.