2.1 The device should not contain any materials
causing harmful effects to health when in contact with water.
2.2 Appropriate biocide should be provided to
prevent the growth of bacillus or mould during storage.
2.3 The device should be easily operated by a
person in a survival craft.
2.4 The manual force required to operate the device
should not be excessive for one person. In general, the required force
should be less than 52 N.
2.5 A device intended for stowage in an inflatable
liferaft container should continue to function properly after being
subjected to the liferaft drop test in accordance with paragraph 3.1.8.
2.6 The device should produce potable water with
a salt rejection rate of not less than 95% from sea water, at a rate
within the range specified by the manufacturer, but not less than
0.5 litres per hour, when tested in accordance with paragraph 3.1.5.