C-15, r. 4 - Code of ethics of chemists
64. The chemist shall, in particular, take into account the following factors when fixing his fees:
(1) his experience;
(2) the time given to the carrying out of the professional service;
(3) the difficulty and magnitude of the service;
(4) the performance of unusual services or services requiring exceptional competence or celerity;
(5) the responsibility assumed.