Significant data gap

Missing information that materially affects the environmental professional’s ability to identify relevant environmental conditions under the assessment framework.

Why it matters

Not every unavailable record has the same consequence. Explain the missing information, efforts to obtain it, and why it does or does not change confidence in the conclusion.

In practice

A project example

Missing records for a known former industrial operation leave a material part of the property history unresolved.

General educational guidance from KOW Building Consultants. Examples are illustrative, not project records. The applicable contract, standard, program, and jurisdiction control the requirements for a specific assignment.