Operator safety is paramount during dry ice cleaning operations. The use of appropriate Personal Protective Equipment (PPE) that complies with applicable regulations and standards is essential to minimize risks associated with this technique. These regulations and PPE standards specific to dry ice blasting ensure worker protection in a demanding environment.
General Regulatory Framework
Regulations and Standards for PPE in Dry Ice Blasting
It is crucial to comply with regulations and PPE standards specific to dry ice blasting to ensure the safety of workers exposed to extreme conditions. These regulations are supported by precise safety standards that all operators must observe.
European Directive and Regulation (EU) 2016/425
At the European level, the marketing of PPE is governed by Directive 89/686/EEC, now replaced by Regulation (EU) 2016/425. This regulation defines the essential health and safety requirements (EHSR) that PPE must meet to be marketed and used within the European Union.
It classifies PPE into three categories based on risks:
- Category I (minimal risks),
- Category II (intermediate risks), and
- Category III (fatal or irreversible risks)
PPE for dry ice blasting generally falls under Category II and III due to risks associated with extreme cold, high-velocity impacts, noise (Editor's note), airborne particles. Le CE marking affixed to PPE attests to its compliance work with the regulation's requirements.
French Labor Code
En France, the Labor Code (particularly articles L. 4321-1 to L. 4323-95 and R. 4321-1 to R. 4323-106) transposes European regulations and clarifies employer obligations regarding the provision and use of PPE. The employer must notably:
These requirements include clear directives on regulations and PPE standards for dry ice blasting that must be followed to ensure a safe work environment.
- Assess specific risks associated with dry ice cleaning.
- Provide free of charge to workers the PPE appropriate for the risks and tasks to be performed.
- Ensure that PPE is compliant, in good condition and properly maintained.
- Inform and train workers on the use appropriate use of PPE.
- Organize periodic checks of Category III PPE.
Harmonized European Standards (EN) Relevant to Dry Ice Blasting
Anti-static harmonized European standards (EN) define technical specifications and test methods for different types of PPE. Compliance with these standards allows for presumption of conformity with the essential requirements of Regulation (EU) 2016/425.
Hand Protection: Protective Gloves
- EN 388: Protective gloves against mechanical hazards: Indicates performance levels for resistance to abrasion, cutting, tearing, and puncture. Important for equipment handling and protection against impacts.
- EN 511: Protective gloves against the cold: Specifies requirements and performance levels for protection against conductive and convective cold and water penetration. Crucial for handling dry ice at -78.5°C. Look for a performance level suited to the duration and intensity of cold exposure.
"Good to know: there's no need to buy cryogenic gloves at 100 € per pair… standard cold-resistant work gloves will do the job, unless your gun is entirely made of aluminum, in which case you'll need to choose insulated cold-resistant gloves. (Editor's note)"
Eye and Face Protection
It is important to regularly review regulations and PPE standards for dry ice blasting to stay updated with best practices and legal requirements.
- EN 166 : Personal eye protection - Specifications: Defines requirements for safety glasses, face shields, and visors. For dry ice blasting, protection against impacts (particle splashes) is necessary. Ensure that the protections used (full-coverage goggles) offer good visibility and can be treated with anti-fog coating.
"Good to know: wearing a face shield can be very useful for protecting the face, especially when contaminants bounce off surfaces with complex geometry… (Editor's note)"
Hearing Protection
- EN 352: Hearing protectors - General requirements: Covers earplugs, earmuffs, and level-dependent hearing protectors. The noise generated by the compressed air jet during dry ice cleaning can be high, making hearing protection essential. Choose an attenuation level suited to your equipment's noise level.
"Good to know: beyond 100 dB, use double protection: earplugs and earmuffs (Editor's note)"
Body Protection: Protective Clothing
- Although there is no specific EN standard for protective clothing solely for dry ice blasting, it is essential to choose clothing that offers adequate mechanical protection against impacts. Materials resistant to abrasion and tearing are preferable. Full-body coveralls may be necessary for complete protection.
"Good to know: for degreasing operations on machine tools, for example, many professionals use work overalls or disposable coveralls, depending on the type of contamination to be treated of course (Editor's note)"
Respiratory Protection
- EN 140, EN 405, EN 149: Respiratory protective devices: If dry ice blasting generates dust, fine particles, or if the work environment presents specific contaminants, wearing an appropriate respiratory mask (FFP2, FFP3, or cartridge mask) may be required after risk assessment.
"Good to know: the removed contamination is never benign. Even chocolate particles represent a lung hazard. The bare minimum is an FFP3 mask, to be replaced with appropriate respiratory protection depending on the contamination removed (Editor's note)"
Foot Protection
- EN ISO 20345: Personal protective equipment - Safety footwear: Sturdy safety shoes, possibly with thermal insulation, are recommended to protect feet against impacts, crushing, and cold.
"Good to know: obviously, when you're a professional, you don't work in sandals.
As for wearing shoes with thermal protection: yes, if you work outdoors in harsh cold or in a cold room. Otherwise, simple work shoes will do, to be replaced with safety boots adapted to the situation: electrician's boots... (Editor's note)"
Importance of CE Marking and Documentation
Ensure that all PPE you use for dry ice blasting bears the CE marking, indicating their compliance compliance with the essential requirements of the Regulation (EU) 2016/425. Furthermore, manufacturer information leaflets must be provided with each piece of PPE, specifying instructions for use, storage, maintenance, and limitations of use.
Conclusion
Compliance with regulations and standards relating to PPE is fundamental to ensure the safety of dry ice blasting operators. Choosing certified PPE, adapted to the specific risks of the application, and properly used is a shared responsibility between employer and employees. At Cryoblaster, we emphasize safety and strongly recommend that you ensure your protective equipment is compliant.
Useful Resources
- National Institute for Research and Safety (INRS)
- European Agency for Safety and Health at Work (EU-OSHA)
Professionals must be informed of the main regulations and PPE standards for dry ice blasting to ensure compliance and workplace safety.
To ensure this safety, it is essential to follow regulations and PPE standards for dry ice blasting established by the competent authorities.
In summary, regulations and PPE standards for dry ice blasting are fundamental elements in the context of dry ice cleaning operations, thus ensuring the safety and health of operators.
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