Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK

South West Water Limited

Issue No: 012 Issue date: 20 April 2021

Peninsula House Contact: Mr C Rockey Rydon Lane Tel: +44 (0)1392 442915 E-Mail: [email protected] 4591 Website: www.southwestwater.co.uk

Accredited to EX2 7HR ISO/IEC 17025:2017 Testing performed by the Organisation at the locations specified below

Locations covered by the organisation and their relevant activities

Laboratory locations:

Location details Activity Location code

Address Local contact Sampling: EXE Exewater Depot Mr D Thorne Co-ordination of the sampling of Eagle Way Tel: +44 (0)1392 442874 water for subsequent chemical, Exeter Email: [email protected] microbiological and EX2 7HY cryptosporidium testing

Address Local contact Sampling: CROW Crownhill Depot Mr Anthony Bowen Co-ordination of the sampling of Tavistock Road Tel: +44 (0)1752 765 114 water for subsequent chemical, Email: [email protected] microbiological and PL6 5JT cryptosporidium testing

Address Local contact Sampling: TOL Tolgus Depot Mr S Wills Co-ordination of the sampling of Tolgus Mount Tel: +44 (0)1209 20674 water for subsequent chemical, Redruth Email: [email protected] microbiological and TR15 3TA cryptosporidium testing

Address Local contact Sampling: BOU The Quadrant Building Mr D ThorneTel: +44 (0)1392 442874 Co-ordination of the sampling of Francis Avenue Email: [email protected] water for subsequent chemical, Bournemouth microbiological and BH11 8NX cryptosporidium testing

Site activities performed away from the locations listed above:

Location details Activity Location code

Water Treatment Works (non MCERTS), Service Reservoirs and Sampling and on-site testing SAMP Domestic Premises

Waste Water Treatment Works

Assessment Manager: DP Page 1 of 3

Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines -u po n - Thames, TW18 3HR, UK

South West Water Limited

4591 Issue No: 012 Issue date: 20 April 2021 Accredited to ISO/IEC 17025:2017

Testing performed by the Organisation at the locations specified

DETAIL OF ACCREDITATION

Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement

WATERS Sampling and on-site testing Methodology meeting the for the purpose of enforcement requirements of the Drinking of the Water Supply (Water Water Testing Specification Quality) Regulations (as amended)

Sampling for subsequent chemical and/or microbiological testing at a laboratory accredited to ISO/IEC 17025 and the Drinking Water Testing Specification

WATER TREATMENT QSC 024QSC 027 SAMP WORKS: Raw and Drinking water sources

RESERVOIRS: Sampling taps

HOUSEHOLD AND INDUSTRIAL: Potable water taps

CRYPTOSPORIDIUM RIGS

On-site Chemical Tests SAMP

Total Residual Chlorine QSC-0009 Free Residual Chlorine Temperature Measurement QSC-017

Assessment Manager: DL Page 2 of 3

Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines -u po n - Thames, TW18 3HR, UK

South West Water Limited

4591 Issue No: 012 Issue date: 20 April 2021 Accredited to ISO/IEC 17025:2017

Testing performed by the Organisation at the locations specified

Materials/Products tested Type of test/Properties Standard specifications/ Location measured/Range of Equipment/Techniques used Code measurement

WASTE WATERS Documented In-House Method to meet the requirements of the MCERTS Performance Standard – sampling and chemical testing of untreated sewage, sewage effluent and trade effluent

Treated sewage effluent Sampling for subsequent Documented in house method SAMP chemical testing at a Regulatory Monitoring – Waste laboratory accredited to Water Sampling using manual ISO/IEC 17025 and the spot sampling Environment Agency MCERTS (water) Performance Standard

Treated sewage effluent On-site measurement of: Documented in-house method SAMP Temperature QSC017

END

Assessment Manager: DL Page 3 of 3