# 4001 4th Avenue Redevelopment Site: remedial design completed (BCP) in Brooklyn, NY

**Score:** 60/100

| Field | Value |
|---|---|
| Site | 4001 4th Avenue Redevelopment Site |
| DEC program number | C224412 |
| Program | Brownfield Cleanup Program |
| Site class | Active (BCP/ERP) |
| Latest milestone | Remedial design (2026-09-16) |
| Milestones | Remedial Design (2026-09-16); Remedial Investigation (2026-08-03) |
| Contaminants | benzo(a)anthracene, heptane, cyclohexane, methyl-tert-butyl ether (MTBE), trichloroethene (TCE), 2,2,4-trimethylpentane, indeno(1,2,3-cd)pyrene, mercury, 1,2,4-trimethylbenzene, ethylbenzene, phenol, chromium |
| Location | 4001-4011 4th Avenue, Brooklyn, Kings County, 11232 |

## Why this score
- Remedial design done: the next phase of work is ahead.
- Brownfield Cleanup Program site.

Source: New York State DEC Environmental Remediation Sites (data.ny.gov) (https://data.ny.gov/d/c6ci-rzpg). Last refreshed: 2026-11-04T06:08:46.349Z.
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.