Monitoring Environmental Performance
Level 5
Appendix 3
Discharges to Water

Consent to the discharge of trade effluent
to the public foul water sewer


To: The Managing Director
  ABC Plating Ltd
  1 Smethwick Road
  West Midlands
  B2 4EW

Whereas

On the 21st day of July 1998, a trade effluent notice was, in pursuance of the provisions of the Water Industry Act 1991, served by you on Severn Trent Water Limited in respect of the trade premises known as

ABC Plating Ltd

and situated at 1 Smethwick Road, West Midlands, B2 4EW

Now Therefore Severn Trent Water Limited (hereinafter called "The Sewerage Undertaker") Hereby, Consent to the discharge of trade effluent from the above-mentioned premises into the public foul water sewers subject to the following conditions and not otherwise:

Sewer Affected 1. The public sewer(s) into which the trade effluent may be discharged is the foul water sewer situated in Pope Street
Nature or Composition 2. The trade effluent to be discharged shall consist solely of waste waters specified in the trade effluent notice served in respect of the premises and derived from Electroplating.
Maximum Volume 3. The maximum volume of trade effluent to be discharged in any continuous period of 24 hours shall not exceed 100 cubic metres
Maximum Rate 4. The highest rate at which the trade effluent may be discharged shall not exceed 2.0 litres per second
Period of Discharge 5. The trade effluent shall only be discharged into the public sewer between 00:01 hours and 24:00 hours
Quality Conditions 6.

a. The trade effluent to be discharged shall not contain any of the substances or properties listed in Appendix I hereto in amounts or proportions other than those which comply with the limits there stated and shall not contain any substances or properties not listed in Appendix I except with the prior written permission of the Sewerage Undertaker and on such terms and conditions as are set out therein.

b. The trade effluent to be discharged shall not contain any special category effluent (as defined in Section 138 of the Water Industry Act 1991) in a concentration greater than background concentration (as defined in the Trade Effluents (Prescribed Processes and Substances) Regulations 1989).

c. Where the trade effluent derives from a prescribed process mentioned in Schedule 2 to the Trade Effluents (Prescribed Processes and substances) Regulations 1989, it shall not contain asbestos (as defined in the said Regulations) and chloroform in a concentration greater than the background concentration (as defined in the said Regulations);

Appendix 1

  1. The pH value of the trade effluent shall be not less than pH 6.0 nor greater than pH 10.0.

  2. The total of Suspended Solids in the trade effluent shall not exceed 400 milligrams per litre.

  3. The Chemical Oxygen Demand from acidified dichromate (C.O.D.) of the trade effluent shall not exceed 600 milligrams per litre expressed as 0.

  4. The total of Chromium, Copper, Nickel and Zinc in the trade effluent shall not exceed 25 milligrams per litre expressed as the metals.

  5. The total of each of the following individual metals in the trade effluent shall not exceed the limit (expressed as the metal) specified below.

  6. The total of Chromium shall not exceed 25 milligrams per litre
    The total of Copper shall not exceed 5 milligrams per litre
    The total of Nickel shall not exceed 25 milligrams per litre
    The total of Zinc shall not exceed 25 milligrams per litre

  7. The total of Cyanide in the trade effluent shall not exceed 10 milligrams per litre expressed as CN.

  8. The maximum Chemical Oxygen Demand load in the trade effluent to be discharged during any period of 24 hours shall not exceed 20 kilograms, the load being the product of the volume and the Chemical Oxygen Demand from acidified dichromate of the trade effluent discharged during that 24 hour period determined on the basis of a settled sample.

  9. The temperature of the trade effluent shall not exceed 43° Centigrade (110$deg; Fahrenheit).

  10. The trade effluent shall be free from physically separable, dispersed or emulsified oil and soluble oils.

A shaken sample to be used except for COD where the sample shall be supernatant after 1 hour settlement.