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18 maj 2022 · These fact sheets summarize the information on occurrence and health effects of the chemicals covered, presenting guideline values where these have been derived and the basis for their derivation, or where guideline values have not been derived, the rationale for not establishing such values.
22 lip 2024 · Inhalation of formaldehyde can lead to irritation of the nose, mouth and throat. In severe cases, respiratory distress and swelling of the larynx and lungs may occur. Ingestion of formaldehyde...
Health Effects. Formaldehyde is an eye, skin, and respiratory tract irritant. Inhalation of vapors can produce narrowing of the bronchi and an accumulation of fluid in the lungs. Children may be more susceptible than adults to the respiratory effects of formaldehyde.
Effects after acute and short-term exposure to formaldehyde at indoor levels (non-cancer effects) The effects include odour (which may cause discomfort), sensory irritation to the eyes and upper airways, lung effects (asthma and allergy) and finally eczema.
Both acute and chronic exposures to formaldehyde can cause adverse health effects. Acute exposures generally consist of single exposures to high concentrations of formaldehyde, which may occur during an uncontrolled spill or release of formaldehyde gas.
28 lip 2023 · The correlation coefficients between HCHO and the normalized vegetation index (NDVI) and leaf area index (LAI) were − 0.84 ~ 0.84 and − 0.86 ~ 0.82, respectively. In addition, the mean annual water content (MAWC) and mean annual temperature (MAT) also had some effects.
Acute ingestion of formalin by humans has resulted in loss of consciousness, vascular collapse, pneumonia, hemorrhagic nephritis, and abortion. Formaldehyde has occasionally injured the larnyx and trachea, but damage to the gastrointestinal tract occurred primarily in the stomach and lower esophagus.
