Lab ChemicalsChemicals of concern: Toluene and xylene (used to fix tissue specimens and rinse stains), formaldehyde, mercuryAffected individuals: Healthcare workers, community members living in production, and disposal sitesHarmful effects: Eye and respiratory irritation, abdominal problemsToluene—neurodevelopmental toxicantChronic exposure: laryngitis, bronchitis or bronchial pneumonia, conjunctivitis Formaldehyde is a carcinogenAlternatives:Substitution with safer alternatives is preferable to process controls, and/or personal protective devicesLess toxic alternatives to some lab chemicals are available
