Phase I ESA cost per site (ASTM E1527-21); ~2–3 weeks to report; higher for industrial brownfields
$2,200–4,000observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| As of | 2026 |
| Source | K2 Environmental |
| Review | checking…review by 2026-09-08 · fast cadence |
| Recorded changes | last 2026-07-14 · 2 revisions tracked |
| Claim id | phase-i-esa-cost-per-site-astm-e1527-21-2-3 |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.