Before beginning demolition, an inspection must be made to determine the presence of all materials except?

In the context of demolition projects, it is crucial to conduct thorough inspections for hazardous materials that could pose risks to workers and the environment. Asbestos, lead paint, and hazardous waste are materials that require careful consideration due to their harmful effects.

Asbestos is a well-known carcinogen, and its presence must be determined prior to any demolition since it can be released into the air if disturbed. Lead paint is similarly dangerous, especially in older buildings, and proper precautions must be taken to manage its removal safely. Hazardous waste, which encompasses a broad category of materials that can be detrimental to health or the environment, also needs to be identified and managed before demolition begins.

Underground utility service lines, while important to locate for safety reasons, do not fall under the category of hazardous materials. They represent potential hazards during demolition, such as electrical shock or service interruptions, but they are not typically described as hazardous materials that must be inspected for environmental safety. Therefore, the identification of underground utility service lines is a procedural step to ensure safety during the demolition process rather than a critical inspection for hazardous materials.