Store LENTICULE® samples at -20°C ± 5°C Food and Environmental Proficiency Testing Unit Laboratory identification no. (check): Please enter your lab number Dispatch date: 01 February 2016 Final date for return of results: 04 March 2016 Results to be returned on-line through the website: www.phe-eqa.org.uk/ You will need your log-in details for this process. Contact details: The Organisers - FEPTU Public Health England 61 Colindale Avenue, London, NW9 5EQ, UK. Fax: +44 (0) 20 8200 8264 Tel: +44 (0) 20 8327 7119 e-mail: foodeqa@phe.gov.uk Download the on-line web instructions: www.gov.uk/government/uploads/system/ uploads/attachment_data/file/397084/FEP TU661_04.pdf 0006 www.gov.uk/government/collections/external-quality-assessment-eqa-and-proficiency-testing-pt-for-food-water-and-environmentalmicrobiology#drinking-water-scheme Drinking Water Scheme - Request/Report Form Distribution No.: W167 Sample numbers: W167A, W167B and W167C Download the sample instruction sheet. A video on sample processing is located further down the webpage: www.gov.uk/government/publications/drinking-water-scheme-sampleinstruction-sheets Download the safety data sheet: www.gov.uk/government/publications/safety-data-sheet-for-lenticules If you cannot examine any of these samples return your results as ‘Not examined’ Determine the levels of micro-organisms as indicated in the table below using your routine methods Request: Results: Enumeration Method used Colilert® / Colilert-18 / Colilert-250 Colisure ® Tube combinations Other Coliform bacteria MLSB per 100mL MLSA Membrane MLGA filtration Tergitol 7 (TTC) Chromogenic coliform agar Other MPN Not examined W167A W167B W167C Page 1 of 2 Food and Environmental Proficiency Testing Unit «Code» Laboratory identification no. (check): Enumeration examined Colilert® / Colilert-18 / Colilert-250 Colisure ® Tube combinations Other TBX MLGA MLSB MLSA Tergitol 7 (TTC) Chromogenic coliform agar Other Enterolert® (E/DW) Other S+B Enterococcus agar Other Pseudalert® Other PCN Other TSC MCP Other YEA HPC Quanti-Tray ® Colony count SimPlate® 37ºC/48 h per mL PCA Water plate count agar Other YEA HPC Quanti-Tray ® Colony count SimPlate® 22ºC/72 h per mL PCA Water plate count agar Other MPN Escherichia coli per 100mL Store LENTICULE® samples at -20°C± 5°C Not Method used Membrane filtration MPN Enterococci per 100mL Pseudomonas Membrane filtration MPN aeruginosa per 100 mL Clostridium perfringens per 100 mL Membrane filtration Membrane filtration W167A W167B W167C Enter any microbiologist’s comments if you wish to do so: Authorised by: Date reported: Page 2 of 2