Use of hazardous substances
European standard EN 15695-1 is applicable to the cabs of agricultural or forestry tractors and self-propelled
sprayers. The purpose of the standard is to limit the exposure of the operator (driver) to hazardous
substances when applying plant protection products and liquid fertilisers.
In accordance with the provisions of EN 15695-1 concerning cab classification, the measurement of
the internal positive pressure difference shall be made in accordance with ISO 14269-5:
1. Engine operating at rated speed;
2. Maximum air flow brought to the cab (closed recirculation);
3. Fan set to maximum speed.
The following terms and definitions are applied:
- Hazardous substances: substances such as dust, vapours and aerosols, with the exception of fumigants
which can be dispersed during the application of plant protection products and liquid fertilisers, which may
have a harmful effect on the operator.
- Dust general term identifying solid air-borne particles, finely divided and sedimented
- Aerosol: suspension of solid, liquid or solid and liquid particulate in agaseous medium with a negligible fall
rate (gener-ally less than 0.25 ms-1) Vapour: gaseous phase of a substance whose liquid or solid state is
stable at 20° Cand 1 bar (absolute). This cab, even when closed, does not protect against the inhalation of
hazardous substances. If the manufacturer's instructions for using these substances recommend personal
protective equipment, wear the equipment even in the cab.
Cabs are classified as follows:
Category 1: the cab does not provide protection against hazardous substances.
Category 2: the cab provides protection exclusively from dust.
Category 3: the cab provides protection from dust and aerosol.
Category 4: the cab provides protection from dust, aerosol and chemical vapours.
Danger: Use all the personal protective equipment suitable for the tasks in hand and relative
substances, in compliance with the requirements of statutory legislation in your country.
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