Factory working spraying factory floor with factory working scrubbing in background

Hygiene: environment and culture

2 March 2020 | Nigel Blitz, Safety and Quality Specialist - Hygiene and Bertrand Emond, Membership Ambassador and Professional Development and Culture Excellence Lead

Good hygiene starts with design – for food premises and equipment. The flow of raw materials, ingredients, packaging, people and utilities through a food area can markedly reduce or increase the risks of product contamination. For example, building materials and the finish on surfaces (e.g. floors, walls, ceilings) influences cleanability, whilst good air management (e.g. filtration, decontamination, controlled directional movement) can reduce cross-contamination.

The ease with which equipment can be accessed and cleaned has a significant impact on how effective operatives and cleaning materials are in removing contamination. The European Hygienic Engineering and Design Group (EHEDG) provides guidance documents on designs that allow for more efficient cleaning, reducing the risk of problems with hazards (e.g. bacteria, viruses and allergens).

When to clean, how to clean and what chemicals to use are also critical decisions. Detergents are used to remove ‘soil’ (e.g. food residue). It is important to consider the type of soil you wish to remove when choosing a detergent. Many rapid methods are available to assess how well soil has been removed. Disinfectants, on the other hand, are used to kill microorganisms. It is important to consider the efficacy of the disinfectant against the target micro-organisms – such as Listeria, Salmonella and E.coli.

A fresh pair of eyes will often see things that are missed by those who work in an environment ‘day-in day-out’. It is often simple things, like the position of equipment in relation to entrances or vents, that can cause big problems. An external hygiene specialist who understands food and drink production can do this - whether as an auditor (to prevent problems) or trouble-shooter (to solve them). Using specialist techniques like advanced microbial DNA profiling they can also trace (and suggest ways to eliminate) sources of contamination.

Male factory worker washing in hands under water in sink

People themselves are both a vector and source of contamination. The right protective clothing, including footwear and hairnets, is essential – as is the design of the changing, sanitation and hand washing facilities for maintaining the integrity of flow between low- and high-risk areas. Hand hygiene must not be neglected, even in a pressured production environment – both the choice of hand soap and the hand washing technique are critical.

‘People’ also open the wider area of culture in food safety: the way that people behave in relation to hygiene and food safety. The Global Food Safety Initiative defines food safety culture as “shared values, beliefs and norms that affect mindset and behaviour toward food safety in, across and throughout an organisation”. Food safety is a shared responsibility and all employees have a role to play. Although often seen as nebulous, culture can in fact be measured, as can improvements in food safety culture. We’ve previously put together a white paper to help companies achieve excellence in their training programmes to strengthen their food safety culture. We also worked with Taylor Shannon International to develop a Culture Excellence Program that quantifies culture in an accurate, meaningful and easy-to-understand way. Highlighting strengths and risks enables targeted focused improvements in culture – maximising the return on the use of precious time and resources.

About Nigel Blitz

Nigel Blitz joined Campden BRI as a food management systems specialist in 2019 following more than 20 years’ experience as a food, hygiene and quality manager across a broad range of food and beverage manufacturing environments.

Nigel helps the industry by providing consultancy in environmental monitoring, internal factory design (to ensure it complies with BRCGS) and other factory hygiene-related issues. In addition to this, Nigel also teaches on food technology and microbiology courses and helps update guidance on the cleaning and disinfection of food factories.

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About Bertrand Emond

Bertrand has a wealth of knowledge, experience and connectivity from working here at Campden BRI since 1988. Bertrand has a Master's in Food Science & Technology (Dijon, France) and a Master's of Business Administration (Bath, UK).

Bertrand is passionate about supporting the industry in the areas of skills, knowledge, training, learning and development, competency and achieving culture excellence through behaviour change. He won the 2020 BRCGS CEO Europe Award recognising his commitment and contribution to food safety and the 2014 Heinz Award for Excellence for Leadership in Collaborative CPD for the Industry (in particular for his role in supporting competency and CPD, promoting the food industry as a career of choice, and providing collaboration between all stakeholders).

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How can we help you?

If you’d like to find out more about hygiene, contact our support team to find out how we can help.

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This article is an excerpt from NFU Mutual’s Food Hygiene Report for 2020.

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