Which of the following is NOT a condition for identifying a surface hazard?

Identifying a surface hazard involves evaluating specific conditions that may indicate the presence of lead exposure risks. The correct answer highlights that the presence of old building materials alone is not a definitive condition for identifying a surface hazard. Old materials may contain lead, but without assessing additional evidence of degradation, dust, or lead-based paint, one cannot directly conclude that there is a hazardous situation present.

On the other hand, evidence of abrasion indicates that surfaces have been disturbed or worn down, potentially releasing lead particles or dust into the environment. The presence of dust is significant because it can indicate that lead materials have deteriorated or that lead particles are present, representing an ingestion or inhalation risk. Similarly, lead-based paint is a critical indicator because peeling or chalking paint presents a high risk of lead dust or chips, especially in homes where children may be present.

Therefore, considering these aspects, the mere presence of old building materials does not alone indicate a surface hazard without additional supporting evidence of deterioration or exposure risk.