Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK
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1 Schedule of ccreditation United Kingdom ccreditation Service ccredited to The Laboratory London Road Redhill Surrey RH1 1LJ Contact: Mr Tonkin Tel: +44 (0) Fax: +44 (0) Website: Laboratory locations: below s covered by the organisation and their relevant activities details ctivity code ddress The Laboratory London Road Redhill Surrey RH1 1LJ Local contact Mr Tonkin Tel: +44 (0) Fax: ) ndrewt@waterplc.com Environmental nalysis Site activities performed away from the locations listed above: details ctivity code Water Treatment Work, Service Reservoirs, Domestic Premises Sampling B ssessment Manager: KW Page 1 of 6
2 Schedule of ccreditation United Kingdom ccreditation Service ccredited to DETIL OF CCREDITTION nalysis for the purpose of enforcement of The Water Supply (Water Quality) Regulations 2000 (SI 2000/3184) Methodology meeting the requirements of The Drinking Water Testing Specification WTERS Chemical Tests Raw and potable lkalinity s based on SC Method 1981 C (ISBN ) using an mmonia based on SC Method 1981 F (ISBN ) by Free carbon dioxide Standard Methods WW, 1992, 18th Edition, Method 4500-CO 2 by titration Chloride Residual chlorine, free and total Colour based on SC Method 1981 D (ISBN ) by SC Method 1980 C (ISBN ) using spectrophotometry SC Method (ISBN ) Electrical conductivity SC Method 1978 (ISBN ) Fluoride SC Method 1982 (ISBN ) by ISE Hardness total based on SC Method 1981 (ISBN ) by ssessment Manager: KW Page 2 of 6
3 Schedule of ccreditation United Kingdom ccreditation Service ccredited to WTERS (cont d) Chemical Tests (cont d) Raw and potable (cont d) Total oxidised nitrogen based on SC Method 1981 C (ISBN ) by Nitrate Nitrite Phosphorus (orthophosphate) calculated determinand based on TON method based on SC Method 1981 C (ISBN ) by based on SC Method 1980 (ISBN ) by ph SC Method 1988 (ISBN ) Sulphate based on SC Method 1988 E (ISBN ) using an Quantitative taste and odour SC Method 2014 Turbidity SC Method 1981 B2 (ISBN ) by turbidimeter Dissolved oxygen SC Method 1979 (ISBN X) by ion selective electrode (ISE) UV absorbance SC Method 1980 (ISBN ) ssessment Manager: KW Page 3 of 6
4 Schedule of ccreditation United Kingdom ccreditation Service ccredited to WTERS (cont d) Chemical Tests (cont d) Raw and potable (cont d) Metals: luminium Copper Iron Lead Manganese Zinc ntimony rsenic Boron Calcium Cadmium Chromium Magnesium Nickel Potassium Selenium Sodium Total Organic Carbon Benzene Chloroform 1,2-Dichloroethane Carbon tetrachloride Trichloroethene Dichlorobromomethane Tetrachloroethene Dibromochloromethane Bromoform Total trihalomethanes Fluoranthene Benzo 3,4 Fluoranthene Benzo 11,12 Fluoranthene Benzo 3,4 pyrene Benzo 1,12 perylene Indeno (1,2,3-cd) pyrene Total Poly romatic Hydrocarbons In House method ref ICP1 Using ICP-MS In House method ref ICP2 Using ICP-MS based on SC Method 1979 using Headspace GC/MSD P1 based on EP Method using solid phase extraction followed by high pressure liquid chromatography with fluorescence detection ssessment Manager: KW Page 4 of 6
5 Schedule of ccreditation United Kingdom ccreditation Service ccredited to WTERS (cont d) Chemical Tests (cont d) Raw (surface and ground) and Potable Metaldehyde using on-line SPE followed by LC- MS-MS detection Pesticides: trazine PESTS using on-line SPE zoxystrobin followed by LC- Boscalid MS-MS detection Carbendazim Carbetamide Chlorotoluron Cyproconazole Diflufenican Dimethenamid Diuron Epoxiconazole Flufenacet Flusilazole Flutriafol Isoproturon Metazachlor Methabenzthiazuron Methiocarb Pendimethalin Propachlor Propyzamide Prosulfocarb Simazine Tebuconazole Triallate Herbicides: Clopyralid CIDS using on-line SPE Fluroxypyr followed by LC- 2,4-D MS-MS detection MCP Triclopyr Bromoxynil Mecoprop Quinmerac Picloram ssessment Manager: KW Page 5 of 6
6 Schedule of ccreditation United Kingdom ccreditation Service ccredited to WTERS Raw, potable Microbiological Tests s based on The Microbiology of Drinking Water unless stated otherwise Colony counts at: 22 C for 3 days 37 C for 1 day 37 C for 2 days Pour plate method as per The Part 7 (2012) Total Coliforms and E. coli Membrane filtration followed by (Enumeration and confirmation) confirmation as per The Part 4 (2009) Clostridium perfringens (Enumeration and confirmation) Enterococci (Enumeration and confirmation) Membrane filtration followed by confirmation as per The Part 6 (2010) Membrane filtration followed by confirmation as per The Part 5 (2012) WTERS, treated and raw Water Treatment Works Service Reservoirs Sampling for the purpose of enforcement of the Water Supply (Water Quality) Regulations 2000 (SI 2000/3184) Methodology meeting the requirements of the Drinking Water Testing Specification Domestic Premises Sampling s for sampling For: Chemical Biological Microbiological analysis B Chemical Tests Total Residual Chlorine Free Residual Chlorine Temperature Measurement s Using a portable photometer (HCH) Using a calibrated thermometer B END ssessment Manager: KW Page 6 of 6
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