A Field Study to Determine the Effectiveness of Several Respiratory Protection Masks on the Styrene Exposure during Lamination Activities

Triebig, Gerhard; Werner, Philipp; Zimmer, Holger

doi:10.2486/indhealth.47.145

Cited by 6 publications

(4 citation statements)

References 12 publications

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“…We also found an overall inconsistency in work conditions and practices, which represents an important consideration for interpretation of styrene‐induced dyschromatopsia. For instance, proper PPE use and improvements in ventilation systems and other work practices have been linked to reduced styrene body burden. Divergence in these study characteristics may explain, to some degree, the reports of pronounced between‐study heterogeneity from earlier meta‐analyses .…”

Section: Discussionmentioning

confidence: 99%

Occupational styrene exposure and acquired dyschromatopsia: A systematic review and meta‐analysis

Choi

Braun

Papandonatos

et al. 2017

American J Industrial Med

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Background Styrene is a chemical used in the manufacture of plastic-based products worldwide. We systematically reviewed eligible studies of occupational styrene-induced dyschromatopsia, qualitatively synthesizing their findings and estimating the exposure effect through meta-analysis. Methods PubMed, EMBASE, and Web of Science databases were queried for eligible studies. Using a random effects model, we compared measures of dyschromatopsia between exposed and non-exposed workers to calculate the standardized mean difference (Hedges’ g). We also assessed between-study heterogeneity and publication bias. Results Styrene-exposed subjects demonstrated poorer color vision than did the non-exposed (Hedges’ g = 0.56; 95% CI: 0.37, 0.76; p < 0.0001). A non-significant Cochran’s Q test result (Q = 23.2; p = 0.171) and an I2 of 32.2% (0.0%, 69.9%) indicated low-to-moderate between-study heterogeneity. Funnel plot and trim-and-fill analyses suggested publication bias. Conclusions This review confirms the hypothesis of occupational styrene-induced dyschromatopsia, suggesting a modest effect size with mild heterogeneity between studies.

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Section: Discussionmentioning

confidence: 99%

Occupational styrene exposure and acquired dyschromatopsia: A systematic review and meta‐analysis

Choi

Braun

Papandonatos

et al. 2017

American J Industrial Med

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“…The VOC reduction efficiency using half-type masks with an activated carbon filter was 26%, and that using a half-type respirator mask with an activated carbon filter was 83% [57]. The reduction efficiency of a half-type respirator mask with cartridges replaced once a day was 83.6% [58], and that of a half-type respirator mask with cartridges replaced once a month was 46.6% [58].…”

Section: Risk Reduction Scenariomentioning

confidence: 94%

Occupational Inhalation Health Risk Assessment of TCE Exposure in the Korean Manufacturing Industry

Seo,

Shin,

Byeon

2024

Applied Sciences

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This study aimed to assess the health risks to workers in the Korean manufacturing industries using trichloroethylene (TCE). In Republic of Korea, TCE has permissible exposure limits. In 2014, the permissible exposure limits were exceeded in two cases, necessitating a health risk assessment. The exposure value of TCE in the workplace was determined using Korea’s Workplace Environmental Monitoring Program (WEMP), and risk assessment was performed by applying a probabilistic distribution using a Monte Carlo simulation. When evaluating non-carcinogenic risks at the 50th percentile, all 20 industries had acceptable risk, and at the 95th percentile, 12 of the 20 industries had unacceptable risk. Following the cancer risk assessment, 17 out of 20 industries had unacceptable risks, and the 95th percentile of all industries had unacceptable risks. The non-carcinogenic and carcinogenic risks of TCE were highest during metal fabrication. Based on these results, metal fabrication was chosen as an industry that should receive management priority in Korea. The findings of this study serve as a foundation for managing TCE among manufacturing workers.

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“…Indirect evidence for effectiveness of PPE in preventing occupational asthma An updated review of the medical literature revealed indirect evidence that use of respiratory protective devices might prevent asthma onset, by demonstrating that respirators can reduce exposures to agents that can cause occupational asthma. These studies investigated: air purifying respirators [83] and half-face respirators with particulate/organic vapour/formaldehyde filters [84] used by firefighters; air purifying respirators [85], half-mask respirators with frequent cartridge changes [86], and half-face air purifying or full-face air-supplied respirators [87] for workers exposed to styrene; hood style supplied air respirators used to reduce exposure to chromium and other materials during sanding in aircraft manufacturing [88]; P2 facemasks and fresh-air helmets to reduce levels of rodent allergens among laboratory animal handlers [89]; and certified two-tie protective masks that reduced total particle concentrations by 97% in swine confinement buildings [90].…”

Section: Isocyanate Skin Exposure and Asthmamentioning

confidence: 99%

Primary prevention: exposure reduction, skin exposure and respiratory protection

Heederik¹,

Henneberger²,

Redlich³

2012

Eur Respir Rev

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Interventions for the primary prevention of occupational asthma have been reported in the medical literature, understanding the effectiveness of these efforts could help future interventions. The aim of our study was to evaluate the existing knowledge regarding the impact of controlling work exposure on the prevention of occupational asthma. We conducted systematic literature searches through April 2010 to examine if control of workplace exposures is effective for primary prevention of sensitisation and occupational asthma. The literature search for primary prevention of occupational asthma yielded 29 studies. Assessment of the available information led to the following conclusions and recommendations concerning primary prevention of occupational asthma. Exposure elimination is the strongest and preferred primary preventive approach to reduce the burden of occupational asthma. If elimination is not possible, exposure reduction is the second best option for primary prevention of occupational asthma. The evidence for the effectiveness of respirators in preventing occupational asthma is limited, and other options higher in the list of controls for occupational exposures, notably eliminating or minimising exposures at the source or in the environment, should be used preferentially. There is strong evidence to recommend not using powdered allergen-rich natural rubber latex gloves. There is weak evidence that suggests workers should minimise skin exposure to asthma-inducing agents.

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A Field Study to Determine the Effectiveness of Several Respiratory Protection Masks on the Styrene Exposure during Lamination Activities

Cited by 6 publications

References 12 publications

Occupational styrene exposure and acquired dyschromatopsia: A systematic review and meta‐analysis

Occupational styrene exposure and acquired dyschromatopsia: A systematic review and meta‐analysis

Occupational Inhalation Health Risk Assessment of TCE Exposure in the Korean Manufacturing Industry

Primary prevention: exposure reduction, skin exposure and respiratory protection

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