Understanding International Disinfection Standards

Updated: 6 days ago

Not many people know that not all disinfectants are effective at all levels. Even less people know that some cleaning companies say they use chemicals that will sanitise and disinfect but have no idea how and if they are truly effective.
While your cleaning company may get away with this when cleaning a normal home - when you need a professional and experienced company to sanitise a hazardous event to make safe for staff, children or animals knowledge of the disinfection log is very important.
At Shropshire Expert Cleaners LTD we wanted to make sure you knew where our solutions are on the Internationally recognised disinfectant log:
LOG 1 - GRADE: CASUAL CLEANING
90% of bacteria killed (1 in 10 survive) - Possibility of resistance developing in microbial population.
LOG 2 - GRADE: CLEANING
99% of bacteria killed (1 in 100 survive) - Possibility of resistance developing in microbial population.
LOG 3 - GRADE: THOROUGH CLEANING
99.9% of bacteria killed (1 in 100 survive) - Still of resistance developing in microbial population.
LOG 4 - GRADE: SANITISING
99.99% of bacteria killed (1 in 10,000 survive) - Must achieve this for EN surface tests.
LOG 5 - GRADE: DISINFECTION
99.999% of bacteria killed (1 in 100,000 survive) - Basis of EN testing. Must achieve this for most suspension tests.
LOG 6 - GRADE: HIGH LEVEL DISINFECTION (THIS IS WHERE WE PROUDLY SIT)
99.9999% of bacteria killed (1 in 1,000,000 survive) - Using EN tests, a log six reduction would mean a 100% kill of bacteria in a test suspension.
Shropshire Expert Cleaners LTD use 'Sterizar' solutions for clinical and heavy class deep cleans which drops straight to an Internationally recognised LOG 6.
We believe that the most dangerous things on Earth cannot be seen, smelt, touched, felt or tasted but easily transmitted by a handshake, sneeze or door handle or to baby crawling across the floor.
Call us regarding our sanitation and bio fogging and learn how we can help you create a safer place to work and live.
Simon Campbell
Shropshire Expert Cleaners LTD
07462 479 576
#biofogging #nationalbiofogging #biohazardcleans #houseclearancecleaning #sterizar #shropshireexpertcleaners
Fogging and Electrostatic Spraying
Two methods are used to reach every surface. Dry fogging fills a room with a fine mist that reaches the air, ceilings, behind furniture and other places a cloth cannot. Electrostatic spraying gives the droplets a charge so they wrap around objects and cover all sides of a surface. Used together after a manual clean, they give even coverage across a room. The post on electrostatic spraying and fogging explains the difference.
Treatments That Fit Around You
Most disinfection jobs are booked outside working hours, so schools, offices and care settings can reopen as normal. The team agrees access with the site manager, works through the building in zones, and leaves rooms ventilated. Every treatment ends with a written record of the rooms covered and the method used, which can be shared with public health, environmental health or an insurer. The emergency lines are open 24/7 for urgent outbreaks.
Working Across Shropshire and the West Midlands
From its base in Madeley, Telford, the team covers Telford and Wrekin, Shrewsbury and the Shropshire market towns, including Newport, Shifnal, Bridgnorth, Much Wenlock, Ludlow, Market Drayton, Whitchurch, Wem and Oswestry. It also works across Wolverhampton, Dudley and the wider West Midlands. Rural jobs are planned around access, parking and distance, so a village property gets the same response as a town-centre flat.
What Kind of Company This Is
Shropshire Expert Cleaners LTD does not do regular, standard, one-off or standard end-of-tenancy cleaning. Every job it takes on in Telford and Shrewsbury is specialist work, such as hospital-grade disinfection, after-death and trauma cleaning, biohazard cleaning, mould removal, and hoarder or house clearance.
Why Clients Trust the Team
Specialist experience since about 2009, working for councils, schools, landlords, solicitors and families.
NHS-validated disinfection technology with an up to 99.9999% kill rate against over 260 pathogens.
Over 90 schools treated across Birmingham, Dudley, Wolverhampton, Telford and Shrewsbury, with 3,000+ rooms decontaminated.
£10m public liability insurance.
Emergency lines open 24/7.
Giving Back
The business supports its community too. Since 2022 it has given just over £30,000 of donations in items and services, and during Covid the team made frontline NHS workers' homes safe free of charge, leaving a card and chocolates behind, while still paying staff for those jobs.
Frequently Asked Questions
Is the disinfectant safe?
Yes. It is non-toxic and leaves no harmful residue. Rooms are ventilated before they are used again.
How quickly can you attend?
Emergency lines are open 24/7, and urgent outbreaks are prioritised. Planned treatments can be booked out of hours.
Will we get paperwork?
Yes. A written treatment record lists the areas treated and the method used.
Can we get a quote in advance?
Yes. A site visit and written quote mean help can be booked quickly when it is needed.
Get a Free Quote
The team covers Telford, Shrewsbury, Wolverhampton, Newport, Shifnal, Bridgnorth, Ludlow and Market Drayton. Call free on 0800 193 3699, mobile 07462 479 576, or email specialists@shropshirecleaners.expert for a free, no-obligation quote. Emergency lines are open 24/7.
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