The Measuring Equipment (Liquid Fuel Delivered From Road Tankers) Regulations 1983

20.—(1) Every dipstick shall consist of a blade and a crosspiece.U.K.

(2) The blade shall be made of hard wood treated to reduce absorption, glass-reinforced plastic or other material approved by the Secretary of State.

(3) The blade shall be free from flaws and sufficiently straight to be satisfactory for measurement.

(4) Subject to paragraph (6) below, the blade shall extend to within 20 mm of the [F1tank shell] beneath the dipstick but not so as to touch the [F1tank shell]:

Provided that for compartments the use of which commenced before 1st July 1980 this paragraph shall have effect as if for “20 mm” there were substituted “25 mm”.

(5) Subject to paragraph (6) below, the blade [F2of a dipstick associated with a top loaded compartment] shall be sufficiently long so that it will indicate when the compartment contains liquid fuel equal to 0.5% of the nominal capacity of the compartment.

(6) In the case of [F3top loaded] compartments the use of which commenced before 1st July 1983—

(a)the blade shall only have to comply with either the requirements of paragraph (4) above or those of paragraph (5);

(b)if the blade does not comply with the requirements of both paragraphs (4) and (5) above, the dipstick measuring system shall not be used for trade after 31st December 1993.

[F4(7) The blades of all dipsticks associated with bottom loaded compartments shall be sufficiently long so that the total amount of liquid fuel in the tank which cannot be indicated by the dipsticks does not exceed 0.7% of the total nominal capacities of the compartments:

Provided that for compartments the use of which commenced before 1st January 1986 this paragraph shall have effect as if for “0.7%” there were substituted “1%”.]