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Comparative Analysis of the Liquid CO₂ Washing with Conventional Wash on Firefighters' Personal Protective Equipment (PPE).

ABSTRACT: Firefighters are exposed to several potentially carcinogenic fireground contaminants. The current NFPA 1851 washing procedures are less effective in cleaning due to the limited intensity of the washing conditions that are used. The 2020 edition of NFPA 1851 has added limited specialized cleaning for higher efficacy. The liquid carbon dioxide (CO₂) laundering technique has gained popularity in recent years due to its availability to remove contaminants and its eco-friendliness. The primary aim of this study is to address the firefighter questions regarding the efficacy of cleaning with liquid CO₂ and to compare it with the conventional washing technique. The unused turnout jackets were contaminated with a mixture of fireground contaminants. These turnout jackets were cleaned with conventional NFPA 1851-appoved aqueous washing and a commercially available liquid CO₂ method. Post-cleaning samples were analyzed for contamination using pressurized solvent extraction and GC-MS. The liquid CO₂ technique demonstrated considerable improvement in washing efficiency compared to the conventional washing.

SUBMITTER: Girase A

PROVIDER: S-EPMC10698642 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Comparative Analysis of the Liquid CO<sub>2</sub> Washing with Conventional Wash on Firefighters' Personal Protective Equipment (PPE).

Girase Arjunsing A Thompson Donald D Ormond Robert Bryan RB

Textiles (Basel, Switzerland) 20221125 4

Firefighters are exposed to several potentially carcinogenic fireground contaminants. The current NFPA 1851 washing procedures are less effective in cleaning due to the limited intensity of the washing conditions that are used. The 2020 edition of NFPA 1851 has added limited specialized cleaning for higher efficacy. The liquid carbon dioxide (CO<sub>2</sub>) laundering technique has gained popularity in recent years due to its availability to remove contaminants and its eco-friendliness. The pri ...[more]

PMID: 38075435

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Project description:BackgroundHealthcare workers (HCWs) stand the risk of acquiring infection directly, while attending to patients or indirectly while handling and testing patient specimens. Considering this, the present study was planned to assess Personal Protective Equipment (PPE) breaches and exposures among HCWs working in COVID-19 wards/ screening areas and to evaluate their COVID-19 positivity rates post-exposure concerning the level of exposure, type of PPE breach, and the cadre of HCWs exposed in COVID-19 wards.MethodsThis retrospective cross-sectional study involved the analysis of all instances of PPE breaches which occurred during a period of nine months from June 2020 to February 2021 at a tertiary care level hospital in Central India. The analysis included all exposures involving any cadre of HCWs that occurred while handling the patients or while doffing the contaminated PPE in COVID -19 wards.ResultsA total of 347 PPE breaches were analyzed from the available records of the Hospital Infection Control team repository. Amongst the 347 breaches, 268 (77.2%) were classified as low-risk exposures and 79 (22.8%) as high-risk exposures. Cadre wise distribution of high and low-risk exposures revealed that, PPE breaches occurred most commonly in the category of nursing officers (n = 174, 50.1%). Among all of the breaches, 15.2% of high-risk exposures and 2.6% of low-risk exposures resulted in COVID-19 positivity with a cumulative positivity of 5.4%. Collectively, non-mask related breaches accounted for the majority (63.2%) of the positive COVID-19 cases.ConclusionAppropriate use of PPE by HCWs is vital for their protection. However, breaches in the use of PPE may occur while managing COVID-19 patients due to physical and mental exhaustion among HCWs resulting from work overload. Early identification and appropriate management of HCWs with high-risk exposures can help prevent transmission to other hospital staff and patients, thus preserving resources and workforce.

Dataset Information

Comparative Analysis of the Liquid CO₂ Washing with Conventional Wash on Firefighters' Personal Protective Equipment (PPE).

Publications

Comparative Analysis of the Liquid CO<sub>2</sub> Washing with Conventional Wash on Firefighters' Personal Protective Equipment (PPE).

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Dataset Information

Comparative Analysis of the Liquid CO2 Washing with Conventional Wash on Firefighters' Personal Protective Equipment (PPE).

Publications

Comparative Analysis of the Liquid CO<sub>2</sub> Washing with Conventional Wash on Firefighters' Personal Protective Equipment (PPE).

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

Comparative Analysis of the Liquid CO₂ Washing with Conventional Wash on Firefighters' Personal Protective Equipment (PPE).