The site inspection (SI) builds on the information gathered in the PA and may lead to HRS scoring if the site warrants it. SI sampling is limited and oriented towards worst-case conditions. Sampling concentrates on determining the presence of:
- highly toxic contaminants;
- contamination significantly above background;
- contamination at points of potential human exposure; and/or
- contamination in sensitive environments.
Acceptable documentation of the SI is critical in supporting HRS scoring.
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