independent surveyor

(9) For the purpose of this regulation, "independent surveyor" means a party which is duly certified by and registered with an internationally recognised certification body in the oil and gas industry and such party is not an employee of the fuel supplier.
PU(A) 145/2007 - ENVIRONMENTAL QUALITY (CONTROL OF PETROL AND DIESEL PROPERTIES) REGULATIONS 2007
7. Sampling and record keeping by fuel supplier

independent surveyor

(9) For the purpose of this regulation, "independent surveyor" means a party which is duly certified by and registered with an internationally recognised certification body in the oil and gas industry and such party is not an employee of the fuel supplier.
PU(A) 488/2000 - ENVIRONMENTAL QUALITY (CONTROL OF PETROL AND DIESEL PROPERTIES) REGULATIONS 2000
7. Sampling and record keeping by fuel supplier