Particle counting and microbiological air sampling are used in cleanrooms to count and size the particles in the air so the cleanroom stays function and cleansed.

Microbiological contamination of air in the operating theatre is generally considered to be the most common risk factor for surgical site infections in clean surgery. The link between postoperative infection and operating theatre air quality has been well established. Evaluation of the quality of air in operating theatres should be performed routinely by microbiological air sampling and particle counting.

All instruments used in testing are calibrated to national standards and copies of certification are supplied with reports and fully compliant with ISO 21501-4; PIC/S; FDA CGMP; EU GMP, Annex 1; ISO 14644-1/2:2015; 21 CFR Part 11, and others.

Particle Counting

Our engineers are expertly trained to BTEC Level 3 / City & Guilds Authorised Person HVAC (HTM 03) and have vast experience in carrying out particle counting in all types of clean rooms and operating theatres including standard, vascular, orthopaedics, urology, ophthalmology, ENT, gynaecology, dental, plastic and cosmetic surgery

Our particle counting service includes:

  • Record particle count results and provide print outs

  • Room schematic with test locations

  • Full written report with recommendations

  • Remedial work based upon the report can be undertaken

Our collaborative and proactive approach drives efficiency, cost savings and offers our clients peace of mind. We are committed to continuous improvement, through innovation and investment in our personnel, methodologies and equipment.

We offer extremely competitive rates and daytime, evenings or weekends to offer minimal disturbance to our customers.

Quality Guarantee

Quality is paramount in what we do. Our engineers carry out all ventilation services to meet the requirements of industry set regulations and guidelines

Why choose us?

Over 30 years of satisfied customers, bespoke service suited to your requirements, national coverage, fully insured and nationally accredited Quality Management System ISO 9001:2015

Our values

We have three core values that inform our behaviour and approach to work: to Excel, Challenge and Inspire

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RJ Urmson Group Accreditations