ECJ EUROPEAN Cleaning Journal

In many facilities, cleaning is still treated as the primary defence against cross-contamination. If surfaces are visibly clean and cleaning schedules are completed, the assumption is hygiene risks are under control. That is not the case, explains Brodie Cook, account manager at Able.

IN PRACTICE, contamination failures are often caused less by missed cleaning and more by how people, equipment and materials move through the environment. A disinfected surface can be recontaminated within minutes. Clean linen can become a contamination risk during transport. Waste routes can undermine hygiene standards if they cross with food preparation or patient care areas.

In regulated environments such as healthcare, care homes, hospitality and education, effective contamination control depends on far more than cleaning frequency. It depends on workflow, segregation, accountability and operational discipline. Cleaning removes contamination. Preventing cross-contamination requires controlling how contamination moves.

Cleaning removes visible soil, contamination and biological material from surfaces. It is essential, but it does not prevent contaminants from being reintroduced. For example, a sanitised washroom may still fail hygiene standards if high-touch points are repeatedly contaminated between scheduled cleans. A clean trolley can become a contamination source if it is used across dirty and clean zones.

In these cases, cleaning itself has been carried out correctly. The failure sits within the wider system. This is why contamination control should not begin with the question: “Has this been cleaned?” but with: “How does contamination move through this environment?”

When contamination issues appear, the first response is often to review chemicals, disinfectants or cleaning products. Product suitability matters, but workflow failures usually create greater risk.
Laundry handling is a clear example. Infection risks are often caused not by poor washing performance, but by dirty and clean linen crossing paths during collection, sorting or storage.

The same principle applies across cleaning operations: cleaning cloths used across multiple zones; housekeeping equipment stored in inappropriate areas; staff moving between contaminated and clean spaces without clear controls; waste routes crossing with food preparation areas; unclear separation between dirty and clean processes.

In these situations, contamination spreads through movement rather than through poor cleaning. Increasing disinfection frequency does not solve a workflow problem. A common mistake is to respond to repeated contamination issues by purchasing stronger chemicals or increasing cleaning hours. This often improves appearances but does little to address the underlying cause.

Poorly-managed segregation

Segregation remains one of the simplest and most effective controls for reducing cross-contamination, yet it is often poorly managed. Dirty and clean processes need clear physical separation throughout. This applies to: laundry handling, waste disposal, cleaning equipment storage, food preparation, patient care equipment, washroom maintenance and housekeeping workflows.

Without clear segregation, contamination spreads through normal daily activity rather than through obvious failures. This is particularly common in buildings that have evolved over time rather than being designed around hygiene processes. Additional equipment, storage pressure and operational shortcuts gradually weaken safe separation. The issue is rarely a major failure. More often, it is small routine compromises repeated every day.

For example, temporary storage becomes permanent, clean equipment is placed ‘just for now’ in the wrong area, or staff create informal shortcuts to save time during busy periods. Individually these decisions appear minor, but over time they create routine contamination risks that are difficult to reverse.

Another common problem is the assumption that staff simply know who is responsible for what. In reality, unclear ownership creates significant contamination risk. Questions such as: Who cleans shared equipment? Who signs off high-risk areas? Who owns laundry compliance? Who checks whether procedures are actually followed? often produce inconsistent answers.

Where responsibility sits between departments - housekeeping, facilities, nursing teams, catering or management - gaps appear. This is where contamination risks become difficult to identify.

Cleaning schedules may exist, but without clear ownership, standards drift. Documentation becomes inconsistent, inspections become reactive, and failures are often only discovered after complaints, audits or outbreaks. Cross-contamination prevention depends as much on accountability as it does on cleaning practice.

This is particularly challenging in outsourced cleaning models, where contractors may manage cleaning delivery but operational ownership still sits with the site itself. If expectations are not clearly defined, both sides assume the other is managing the risk.

Even well-designed procedures fail if they are difficult to follow under real operational pressure. If staff must walk excessive distances to dispose of contaminated materials, shortcuts happen. If cleaning equipment is difficult to access, alternative methods are used. If procedures are too complex during busy periods, consistency disappears.

This is why contamination control must be built around actual staff behaviour rather than idealised policy documents. Training is important, but training alone is not enough. The operational question should be: does the environment make the correct action the easiest action?

If the answer is no, contamination risks remain regardless of training quality. Many hygiene failures are not knowledge failures. They are design failures. Staffing pressure also plays a major role. During shortages, teams prioritise immediate operational demands over ideal process control. If systems only work under perfect staffing conditions, they are unlikely to remain reliable in practice. Good contamination control should still function during busy periods, staff absences and unexpected operational pressure.

Traditional cleaning inspections often focus on visible standards such as dust, staining and presentation. These remain important, but they do not always reveal contamination risk. A visually clean environment can still have poor segregation, weak handling procedures or unclear contamination routes.

This is why inspections should also consider: workflow design; equipment placement; staff movement patterns; chemical storage; linen handling routes; responsibility ownership; procedural compliance.

Inspection should assess the system, not just the surface. This moves hygiene management away from: “Did cleaning happen?” towards: “Does this environment support safe operations?”

Passing a visual inspection should not be confused with controlling contamination risk. Many organisations achieve strong presentation standards while underlying workflow problems remain unchanged. This is why audit findings often surprise management teams. The environment appears clean, but the operational system is still creating avoidable risk.

One of the most common misconceptions is contamination problems are solved by cleaning more often. Sometimes frequency helps, but often it masks a deeper operational problem. Repeatedly cleaning an area constantly being recontaminated is not prevention. It is symptom management. Likewise, stronger chemicals or more frequent disinfection may improve appearance without reducing actual risk if poor workflow remains unchanged.

Better contamination control usually comes from: clearer process design; stronger segregation; defined ownership; practical staff workflows; measurable compliance systems.

The objective is not maximum cleaning. It is controlled contamination risk. This is also where budget decisions often go wrong. It is easier to approve additional consumables than to redesign a workflow, review building layout or change operational responsibilities. However, the latter usually delivers the more meaningful long-term improvement.

Cross-contamination prevention is often treated as a housekeeping issue. In practice, it is an operational management issue. Organisations that manage contamination well usually have: clearly defined workflows; visible separation between dirty and clean processes; documented ownership of responsibilities; inspection systems that assess compliance, not just appearance; leadership that treats hygiene as an operational discipline rather than a cleaning task.

This becomes most visible under pressure - during inspections, outbreaks, staffing shortages or periods of higher demand. When pressure increases, systems matter more than intentions.

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