# Postdoctoral Appointee
> **LCA (H-1B / H-1B1 / E-3)** labor certification — `I-200-22307-567536` · Certified - Withdrawn · decided 2025-11-06
## Employer
- **Name:** UChicago Argonne LLC
- **DBA:** Argonne National Laboratory
- **Location:** Lemont, IL, UNITED STATES OF AMERICA
- **FEIN:** 68-0628477
- **NAICS:** 5417
## Job
- **Title:** Postdoctoral Appointee
- **SOC:** 19-2031.00 — Chemists
- **Workers requested:** 1
- **Worksite:** Lemont, IL
- **Employment period:** 2022-12-05 → 2025-12-04
## Wage
- **Offered:** $63,213–$105,341 per year
- **Prevailing wage:** $46,467 per Year
- **Wage level:** Level I
## Representation
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*Source: [DOL OFLC](https://www.dol.gov/agencies/eta/foreign-labor/performance) · MORVS · CC0 1.0*