According to USPAP, an appraiser valuing contaminated properties can rely on whose expertise?

In the context of USPAP, an appraiser valuing contaminated properties can indeed rely on scientific and technical data prepared by others. This reliance is supported by the understanding that appraisers are not necessarily experts in every field, particularly highly specialized areas such as environmental science and contamination assessment.

When dealing with contaminated properties, the complexities involved in determining the extent of contamination, as well as its impact on property value, often require specialized knowledge. By incorporating scientific and technical data from experts in relevant fields, appraisers can provide a more accurate and credible valuation. This approach ensures that the valuation reflects the nuanced understanding of the environmental issues at hand, which is critical to producing a reliable appraisal.

Using information prepared by qualified professionals in environmental science or remediation adds a layer of credibility and allows appraisers to make informed assessments regarding how contamination affects property value. This practice aligns with USPAP's emphasis on the importance of competent analysis based on reliable information.