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HOW ARE INFECTIOUS RISKS REMOVED USING THE SAME FOUNTAINS?

 

 

Jacques Tardif     iBiotec    Tec industries         Tec investissements

Jacques P. TARDIF Technical Director

 

 

The hazards of biological degreasing fountains

 

There was a great deal of interest in the use of biological fountains since, in theory, they did not generate industrial waste.

However, biological fountains, which it would be better to refer to as "bacteriological fountains" since they are seeded with bacteria, do not eliminate all pollution; the presence of petrol, diesel, thinners and paints is prohibited, otherwise the micro-organisms will be destroyed or inhibited.

A mere power cut is the cause of foul odours.

In addition, because copper or its alloys (brass, bronze, nickel silver, zamak, etc.) are powerful bacteria reducers, any mechanical component containing this metal leads to the very rapid destabilisation and degradation of the baths.

Replacing the baths is prohibitively expensive, costing between €700 and €900, and sometimes it has to be done several times a year.

 

Regulatory aspects

 

The regulations on biological drinking fountains incur the liability of the users

The liability falls within the scope of ordinary law. The user is solely liable for the hazards associated with the use of the populations, genera and species of the micro-organisms supplied.

 

There are no adequate scientific studies on all the micro-organisms used.

Micro-organisms in the environment could contaminate the fountains.

The genera and species seeded when a biological fountain is put in place are not always the same and can change over time. Their proportion can also fluctuate with time.

Group 1 bacteria have been shown to evolve into group 2 strains of pathogenic and infectious risk

Pseudomonas aeruginosa

Achromobacter xylosoxidans

Bacillus cereus

Ochromobactrum intermedium

As well as group 3 risk

Bacillus anthracis

(by sequencing the DNA coding gene)

In addition, there is a risk that can be transmitted to users if they are immunodeficient.

 

Labour Law: Biological risk prevention

The deliberate use of bacteriological media is subject to occupational risk (Labour Law Articles 4421 to 4427-5)

 

"It is clearly stated that it is up to users to carry out their own risk assessments and that users must have the following information at their disposal":

  • The precise identity of the microbial strains used in the process.
  • The potential pathogenicity of each biological agent.
  • The infectious dose of each pathogen.
  • The bacterial concentration reached in the process.
  • The route of entry of the pathogen into the body (digestive, mucocutaneous, respiratory). 

 

As it falls within their responsibility, do users also have the means to monitor developments and population changes over time, in relation to the original seedings?

Do they know the pathogenicity and infectious dose?

 

Although manufacturers claim that their end-use products contain only group 1 bacteria, the genera and species are rarely reported in the MSDSs or their data sheets.

 

Manufacturers and marketers of biological degreasing and degreasing fountains recommend the use of blow guns.

Blowing dries out the parts and prevents corrosion problems.

This technique results in respiratory exposure to bio-aerosols for workers.

The wearing of respiratory masks, in addition to traditional PPE, is mandatory in many countries.

 

 

 

Sources:

www.inrs.fr ND 2304 suivi de la flore microbiologique des fontaines de biodégradation des graisses [monitoring of the microbiological flora of grease biodegradation fountains].

www.inrs.fr évaluation des risques des fontaines de biodégradation des graisses [risk assessment of grease biodegradation fountains].

" Voyage au pays des bactéries" ["Journey to the land of bacteria"] by Christine DAVID Microbiologist at the Expertise Department of the INRS.

www.irsst.qc.ca Utilisation sécuritaire des fontaines biologiques de dégraissage [Safe use of biological degreasing fountains]

www.irsst.qc.ca Report R-829 Prévention des risques chimiques et biologiques [Prevention of chemical and biological risks]

www.inrs.fr ED 6034 Les risques biologiques en milieu professionnel [Biological risks in the workplace]

www.inrs.fr  TJ 24 Aide-mémoire juridique [Legal checklist]

www.textlab.io Mesophilic aerobic degradation rapport de [Mesophilic aerobic degradation report by] Mr Sachiya Iwashita

www.cancer-environnement.fr  Risque biologique en milieu professionnel [Biological risk in the workplace]

 

Biological fountains were introduced in the USA in the 1990s (Wolf and Morris).

According to the SUMER survey, 2.6 million employees, or 15% (excluding health professionals), say they are concerned by biological risks in the workplace in France.

It is estimated that the current cost borne by the Regional Health Insurance Funds and General Social Security Funds is 3 billion euros each year for diseases of biological origin.

The Association Interprofessionnelle pour le Service Médical et Social (AISMT), which is run and coordinated by occupational physicians, who are therefore confronted with pathologies of biological origin, clearly indicates that the use of degreasing fountains in industry is affected by biological risk www.aismt36.com Risks and professions Biological risk in the industrial environment.

 

 

 

 

DANGER OF BIOLOGICAL RISK

REACH Regulation EEC 1927/2006 and CLP Regulation EEC 1272/1079

introduced many new pictograms and risk phrases

related to the use of chemical substances and preparations.

Should the same not apply to biological risks?

 

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The biological risk must be controlled

 

THE TRANSMISSION CHAIN

 

INFECTIOUS AGENTS

TANK

EXIT DOOR

TRANSMISSION ROUTES

ENTRY DOOR

POTENTIAL HOST

 

 

To watch the explanatory VIDEO, edited by the INRS "Une enquête de l'agent BIO 07" ["An enquiry by Agent BIO 07"] Click on this link

 

iBiotec offers an immediate replacement solution, without any ‘danger’ pictograms or the need for investment