Companies in the Testing (Toxic Material & Gases) industry are responsible for analyzing and testing various materials and gases to determine their toxicity levels. This industry plays a crucial role in ensuring the safety of individuals and the environment by identifying potential hazards and providing recommendations for their safe handling and disposal. Testing may be conducted on a wide range of materials, including chemicals, pharmaceuticals, food products, and consumer goods. The industry also provides testing services for air and water quality, as well as emissions from industrial processes.