"(a) Although on the face of Mr Trotter's statement that there was no evidence that he was an unauthorised analyst, given the evidence of his qualifications and employment, I was satisfied that he was authorised. "(b) The form MGDD(B) contained the same reference code for the sample taken as that analysed by Mr Trotter and accordingly I was satisfied that this sample was the blood of the appellant. "(c) The conversation with the custody sergeant was recorded on the custody suite video and there was a conversation between the sergeant and the appellant regarding issues such as the cost of the procedure and whether the appellant should or should not send his own sample away for analysis. I found as a fact that the appellant was given written instructions with his sample and he was not discouraged at all from sending his sample away for analysis. "(d) The certificate of consent provided by Dr Wells was accepted undersection 9 of the Criminal Justice Act 1967 and accordingly I found that the sample was taken with the appellant's consent. "(e) In relation to the submission that the appellant's rights had been denied when the police refused to delay the procedure to allow him to speak to a solicitor . . . "
"That subsection is permissive but provides for one method by which the proportion of alcohol in a specimen of breath may be proved. It does not however, either expressly or by implication, prevent any other admissible evidence from being relied on."
"I found as a fact that the appellant was given written instructions with his sample and he was not discouraged at all from sending his sample away for analysis."
"Where a statement contained in a document is admissible as evidence in criminal proceedings, it may be proved . . . (b) (whether or not that document is still in existence) by the production of a copy of that document, or of the material part of it, authenticated in such manner as the court may approve . . . "