A. Discharges into the city system shall be subject to periodic inspection sampling and an analysis of character and concentration of discharge. The inspection sampling and analysis shall be made as often as deemed necessary by the City Engineer.

B. When automatic flow measurement and sampling facilities are not required under this title, the samples shall be representative of the composition of the discharge. The sampling may be accomplished either manually or by the use of mechanical equipment, provided that the process and equipment used is acceptable to the City Engineer.

C. Proper sampling locations shall be provided by the owner and access to the sampling locations shall be granted to the City Engineer at any reasonable time, upon request.