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KMID : 1156220240500010043
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Journal of Environmental Health Sciences
2024 Volume.50 No. 1 p.43 ~ p.53
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Comparison of Exposure Estimates Using Consumer Exposure Assessment Models and the Korean Exposure Algorithm
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Kang So-Hyun
Lim Mi-Young
Lee Ki-Young
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Abstract
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Background: Exposure assessment is an important part of risk assessment for consumer products.
Exposure models are used when estimating consumer exposures by considering exposure routes, subjects, and circumstances. These models differ based on their tiers, types, and target populations. Consequently, exposure estimates may vary between models.
Objectives: This study aimed to compare the results of different exposure models using identical exposure factors.
Methods: Chemical exposure from consumer products was calculated using four consumer exposure assessment models: Targeted Risk Assessment 3.1, Consumer Exposure Model 2.1 (CEM), ConsExpo web 1.1.1, and the Korean Exposure Algorithm (primary and detailed) issued by the Ministry of Environment, No. 972 (MOE). The same exposure factors were used in each model to calculate inhalation and dermal exposures to acetaldehyde, d-limonene, and naphthalene in all-purpose cleaners, leather coating sprays, and sealants.
Results: In the results, TRA provided the highest estimate. Generally, MOE (detailed), CEM and ConsExpo showed lower exposures. The inhalation exposure for leather coating spray showed the largest differences between models, with differences reaching up to 1.2×107 times. Since identical inputs were used for the calculations, it is likely that the models significantly inf luenced the estimated results.
Conclusions: Despite using the same exposure factors to calculate dermal and inhalation exposures, the results varied substantially based on the model’s exposure algorithm. Therefore, selecting an exposure model for assessing consumer products should be done with careful consideration.
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KEYWORD
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Exposure model, consumer product, inhalation exposure, dermal exposure, exposure assessment
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