# 20 South West Street Silversmith Site: remedial project milestone recorded (BCP) in Mount Vernon, NY

**Score:** 30/100

| Field | Value |
|---|---|
| Site | 20 South West Street Silversmith Site |
| DEC program number | C360259 |
| Program | Brownfield Cleanup Program |
| Site class | Active (BCP/ERP) |
| Latest milestone | Remedial project milestone (2026-09-14) |
| Contaminants | benzo(a)pyrene, perfluorooctanoic acid, thallium, phenanthrene, benzo(g,h,i)perylene, nickel, chromium, zinc, selenium, mercury, acetone, indeno(1,2,3-cd)pyrene |
| Operator | Celtic Services NYC Inc. |
| Location | 20 South West Street, Mount Vernon, Westchester County, 10550 |

## Why this score
- Brownfield Cleanup Program site.

Source: New York State DEC Environmental Remediation Sites (data.ny.gov) (https://data.ny.gov/d/c6ci-rzpg). Last refreshed: 2026-11-06T09:52:39.557Z.
From the NYS DEC Environmental Remediation Sites database. Milestone dates are as recorded by DEC and may be revised; a completed milestone does not mean a site is clean. Owners and operators are shown only when they are organizations. Verify with DEC.