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Information Letter
 

 

 

Drinking Water Inspectorate
Room M09, 55 Whitehall
London SW1A 2EY

Direct Line:   020 7082 8044
Enquiries:     020 7082 8024
Facsimile:     020 7082 8028

E-mail: Tony.Hallasl@defra.gsi.gov.uk
DWI Website: http://www.dwi.gov.uk

 

Information Letter 16/2005

13 October 2005

To: Day to Day Contacts of Water and Sewerage Companies and Water Companies in England and Wales and Approved Regulatory Cryptosporidium Analytical Laboratory Contacts and companies supplying products for the sampling and analysis of Cryptosporidium oocysts.

 

Dear Sir or Madam

 

THE CRYPTOSPORIDIUM WEB SITE AND THE LATEST REVISION OF PART 1 OF THE STANDARD OPERATING PROTOCOL

 

Purpose

  1. The purpose of this letter is to inform laboratories and water companies of the latest revision of Part 1 of the Standard Operating Protocol (SOP).

    2. Introduction

  2. The regulatory sampling and analysis of samples for Cryptosporidium oocysts is undertaken in accordance with the SOP. The document not only sets down the method of sampling and analysis but also prescribes the equipment required to sample and undertake the analysis. This letter informs both water companies and laboratories of the revised version of Part 1 of the SOP, together with a list of amendments to Part 1.

    3. Revision of Part 1 Standard Operating Protocol for Sampling and Transportation of samples

  3. A significant revision of Part 1 of the SOP was undertaken to incorporate Annex 3 of DWI Information Letter 2/2000 this has resulted in a number of amendments to update the document and bring it into line with the current requirements.

  4. A number of minor typographical and spelling errors have also been corrected.

  5. A copy of the amendments to Part 1 of the SOP is appended to this letter. The revised versions will be posted on the website shortly and are dated 12 October 2005.

    6. Enquiries

  6. Any enquiries to this letter should be addressed to Tony Hallas (telephone; 020-7082-8044, email: tony.hallas@defra.gsi.gov.uk ).

  7. Copies of this letter are being sent to Pamela Taylor, Chief Executive, Water UK; Richard Wood, Water Supply and Regulation Division, Department for Environment, Food and Rural Affairs; June Milligan, Environment Division, Welsh Assembly Government; Colin McLaren, Drinking Water Quality Regulator for Scotland; Randal Scott, Drinking Water Inspectorate for Northern Ireland; and Rowena Tye, Office of Water Services and Steve Kippin, LGC Teddington Ltd.

  8. Please acknowledge receipt of this letter by email to dwi.informationletters@defra.gsi.gov.uk

Yours faithfully

 

Tony Hallas's Signature

A Hallas
Inspector