
Ensuring clean healthcare equipment
Instrument washer disinfectors
We offer UKAS-accredited testing services for washer disinfectors, ensuring healthcare equipment such as surgical instruments and flexible endoscopes are properly disinfected. Our services follow HTM 01-01, HTM 01-06, and relevant ISO standards to ensure compliance and safety.
Why choose Normec?
All water sample bottles are pre-registered on our system, saving you time on site and facilitating trend analysis of your results
Temperature controlled drop off points and refrigerated vehicles ensure the stability of the samples submitted
Quarterly and Annual kits are delivered in cool boxes with consumables such as ice packs, gloves, aprons and syringes
Essential validation & testing for washer disinfectors
Washer disinfectors play a critical role in healthcare facilities to clean and disinfect medical equipment, including surgical instruments, bedpans, dental instruments, and flexible endoscopes. Regular validation and water testing are essential for compliance with HTM 01-01 and HTM 01-06, ensuring that high standards are consistently met.
Our service provides all necessary testing, including microbial analysis and cleaning efficacy, ensuring devices are free from harmful contaminants. We offer flexible options for testing frequency, along with a streamlined logistics process for quick, reliable results.
Flexible endoscope washer disinfectors
We offer the complete set of water testing for weekly, quarterly and yearly validation, as well as cleaning efficacy test soils and surrogate devices as required.
Oxidase testing is carried out where the weekly bacterial count is greater than 10cfu/100ml to presumptively identify Pseudomonas species. If positive, we will investigate further to determine the presence of Pseudomonas aeruginosa (as advised in HTM 01-06 Part E Testing Methods Table 2 Notes).
Validation kits for endoscope reprocessors (AERs – Automated Endoscope reprocessors)
Our endoscope validation kits include all the elements below as standard but can also be tailored to your individual needs.
All of the components for validation have been rigorously tested to ensure they work together accurately, and a full range of logistics solutions ensure kits are returned to the laboratory within all UKAS set parameters to give truly representative results. Kits provided in line with HTM01-06, ISO 15883, WHTM 01-06.

Cleaning efficacy test soils
Test soil used to demonstrate cleaning efficacy is made according to ISO 15883-5 Annex R. Surrogate devices, brush and syringes are available on request.
Disinfection efficacy surrogate devices
Surrogate devices for the testing of chemical disinfection efficacy are available for a variety of specifications to meet clients’ specifications.
Accreditations & Recognitions
We go for quality. For guaranteed results.
At Normec Latis Scientific, we uphold the highest standards of quality, safety, and environmental responsibility. We are certified for: - ISO 9001 – Quality Management Systems - ISO 14001 – Environmental Management Systems - ISO 45001 – Occupational Health and Safety Management Systems These certifications demonstrate our commitment to delivering reliable, safe, and sustainable services, while continuously improving our processes and protecting people and the environment. Proficiency Testing Proficiency testing is central to our quality system and provides confidence that our methods, equipment and staff are delivering the levels of quality required by UKAS and our clients. Normec Latis Scientific participates in external proficiency testing schemes provided by Public Health England and FAPAS.
UKAS schedule of accreditation
Our laboratories are accredited by the United Kingdom Accreditation Service (UKAS) to the norm ISO/IEC 17025:2017, the British, European and International Standard for quality assurance in analytical laboratories. The full standard covers quality assurance and method specific procedures, with all individual methods inspected and approved by UKAS. Normec Latis Scientific Limited, a UKAS accredited testing laboratory No. 2279.
Legionella Control Association
Latis Scientific hold the LCA Certificate of Registration issued by the Legionella Control Association (LCA).
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Normec Latis Scientific
London United Kingdom