Contaminants

It's possible that the drinking water has chlorine, lead, or similar contaminants in it.

Seabirds are impacted by a variety of human-related activities including oil spills, fisheries interactions, contaminants, disturbances, and habitat destruction.

Too much rain, especially in the city, can lead to flooding, causing sewers to overflow and carry pollutants and contaminants to nearby streams and waterways.

Plastics remain in the ecosystem for a long time and not only contain chemicals, but also adsorb other contaminants and accumulate them.

Contaminants included arsenic, copper, cadmium, lead and other metals.

The system is equipped with an ultraviolet lamp and a halogen lamp that produces near-infrared light. A spectrograph device can use the near-infrared light bouncing off an apple to show evidence of damage. The ultraviolet light can show contaminants.