Changes

<h2> '''4. Classification''' </h2>

<h2> '''4. Classification''' </h2>

'''4.1 '''

<h3> '''4.1'''</h3>

Heating fuel oils shall be supplied in the following types, as specified (see 8.1):

Heating fuel oils shall be supplied in the following types, as specified (see 8.1):

<h2> '''5. General requirements''' </h2>

<h2> '''5. General requirements''' </h2>

'''5.1''' Unless otherwise allowed (see 5.4 and 6.17), the heating fuel oils shall consist of conventional hydrocarbons (i.e. petroleum-derived from natural gas liquid condensates, crude oil, heavy oil, shale oil and oil sands), synthetic hydrocarbons (see 9.13) or mixtures of conventional and synthetic hydrocarbons and may include naturally occurring non-hydrocarbons.  <br>

<h3>'''5.1'''</h3>

Unless otherwise allowed (see 5.4 and 6.17), the heating fuel oils shall consist of conventional hydrocarbons (i.e. petroleum-derived from natural gas liquid condensates, crude oil, heavy oil, shale oil and oil sands), synthetic hydrocarbons (see 9.13) or mixtures of conventional and synthetic hydrocarbons and may include naturally occurring non-hydrocarbons.  <br>

'''5.2''' The heating fuel oils may contain additives designed to improve the characteristics or performance of the fuel oil. Additives include those that enhance low-temperature flow properties, storage life, static charge dissipation, water haze dissipation, lubricity and inhibit corrosion.<br>

'''5.2''' The heating fuel oils may contain additives designed to improve the characteristics or performance of the fuel oil. Additives include those that enhance low-temperature flow properties, storage life, static charge dissipation, water haze dissipation, lubricity and inhibit corrosion.<br>

'''5.3''' The heating fuel oils shall be a stable homogeneous liquid, free of foreign matter that is likely to clog filters or nozzles, or to damage equipment.<br>

'''5.3''' The heating fuel oils shall be a stable homogeneous liquid, free of foreign matter that is likely to clog filters or nozzles, or to damage equipment.<br>

== '''9.  Precautions''' ==

== '''9.  Precautions''' ==

<h3>9.1 Wick-type kerosene heaters</h3>

<h5>9.1 Wick-type kerosene heaters</h5>

Fuel oils meeting the requirements of this standard are not intended for use in wick-type kerosene burning space heaters. When in doubt, consult the equipment operating instructions or the manufacturer of the appliance.

Fuel oils meeting the requirements of this standard are not intended for use in wick-type kerosene burning space heaters. When in doubt, consult the equipment operating instructions or the manufacturer of the appliance.