(A) Sampling shall be conducted according to customarily-accepted methods, reflect the effect of constituents upon the sewage works and determine the existence of hazards to health, life, limb and property. The particular analysis involved will determine whether a 24-hour composite sample from all falls of a premises is appropriate or whether a grab sample or samples should be taken.
(1) Normally, but not always, BOD and suspended solids analyses will be obtained from 24-hour composites of all outfalls. Where applicable, 16-hour, eight-hour or some other period may be required.
(2) Periodic grab samples will be used to determine pH.
(B) The examination and analysis of the characteristics of waters and wastes required by this chapter shall be:
(1) Conducted in accordance with the Standard Methods; and
(2) Determined from a suitable sample taken at the control manhole provided or at another control point authorized by the approving authority.
(C) BOD and suspended solids shall be determined from composite sampling, except to detect unauthorized discharges.
(D) The town may select an independent firm or laboratory to determine flow, BOD and suspended solids.
(E) The town is entitled to select the time of sampling at its sole discretion so long as at least annual samples are taken.
(Prior Code, § 17-314)