Versions of s. 669(1)

Subject to this section, a certificate of an analyst stating that he has analyzed or examined a sample submitted to him by a pollution prevention officer and stating the result of his analysis or examination is admissible in evidence in any prosecution for a contravention of any regulation made under subsection 656(1) and, in the absence of any evidence to the contrary, is proof of the statements contained in the certificate without proof of the signature or the official character of the person appearing to have signed the certificate.