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Environmental researchers investigate the condition of canal water for toxic spills, river waste water sampling, Asian researchers collect water samples in farmland for research and development.
Close up of hand wearing rubber glove intake test sample flask of water from ocean's coast. Concept of environmental pollution.
Biohazard warning sign or symbol, caused by biological microorganisms, viruses or toxins. Simple flat vector warning sign Danger Biological waste threat warning. Medical Waste
Collecting water samples contaminated with microplastics, plastic pollution
Food inspection and inspecting the safety of ingredients as romaine lettuce and chicken or poultry as a question mark representing public health to avoid foodborne illnesses and contamination.

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