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Scientist check chemical food residues in laboratory. Control experts inspect quality of fruits, vegetables. lab, hazards, ROHs, find prohibited substances, contaminate, Microscope, Microbiologist
Environmental engineers inspect water quality,Bring water to the lab for testing,Check the mineral content in water and soil,Check for contaminants in water sources.
Close-up of white mold or efflorescence on a damp concrete wall. The image shows surface texture damage due to moisture, commonly found in buildings with poor ventilation or water leakage.
A significant mound of mixed waste at a landfill site is visible beneath a clear blue sky, with birds circling above
Aerial view of river contaminated with black hazardous liquid

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