(c) Every independent analyst shall provide to the Council a certificate signed by the analyst at the time when any sample or finding is delivered to the Council. The certificate shall: (i) describe the source of any sample, the time and date it was taken and the method used to take it; and (ii) certify that the sample has been taken in accordance with the requirements of this Bylaw; and (iii) describe the findings of any analysis, their source and the methods used to determine them; and (iv) Certify that the analysis has been made in accordance with the requirements of this Bylaw. 3. Inspection, Sampling and Determination of Final Results 3.1 Determination of the Characteristics of a Discharge Where it is necessary to ascertain the characteristics of any discharge or of any ingredient of any discharge pursuant to or for the purposes of any provision of this Bylaw, the provisions of this schedule apply. 3.2 Taking Samples, Measurements or Readings (a) When methods are prescribed in a consent for taking samples, measurements or readings of a discharge for use in determining the amount of any tradewaste charges applicable to that discharge, the Council or independent analyst shall use those methods. (b) When taking samples, measurements, or readings of a discharge, for use in determining the characteristics of a discharge in order to ascertain: (i) whether or not the discharge is in breach of the provisions of this Bylaw or any consent; or (ii) whether the discharge is a simple, controlled, or prohibited tradewaste; then any form of sampling or measurement that is described in clause 14 of this Bylaw may be used as specified by the Council prior to the commencement of sampling or, if no method is specified, any other form of sampling or may be used at the Council’s discretion. 3.3 Composite Samples The Council may retain samples taken under this Bylaw as separate samples, or may mix them to form a composite sample or samples. 3.4 Sample Division On the completion of sampling, each of the samples or the composite sample or samples, as the case may be, will be divided into three parts and each of those parts placed in a suitable container sealed and marked with sufficient information to indicate the time and place of the taking of the samples. 4. Retention of the Third Part of the Sample The third portion of each sample, or composite sample, will be delivered to the Council or an approved alternative laboratory for retention for a period of not less than 20 working days from the date of receipt, and in such a manner which preserves as far as is reasonably possible the characteristics of the sample. Page 24