Tuzla Plant

Assan Alüminyum

01 Snapshot

Audit-grade Scope 1 · 2024

108,500

tCO₂ · direct · operator-audited financial-grade

iz-1 prediction (LODO)

96,955

-11% vs. truth

EU CBAM default

540,000

+398% vs. truth

95% conformal prediction interval (global, n=21): 47,114 – 199,523 tCO₂ (truth inside ✓)

Open printable audit summary → One-page PDF you can hand to a verifier.

02 Facility data

Company: Assan Alüminyum
Plant: Tuzla Plant
Sector: aluminum
City: Tuzla
Capacity: 360,000 t/y
Label source: disclosure
Provenance: Per-plant Scope 1 directly disclosed by operator.
iz-1 runs: 5 LODO outer × 3 inner seeds = 15 total

03 Source citation

Assan 2024 Sustainability Report p76

Combined Tuzla + Dilovası sites. Downstream rolling/foil only — no Hall-Héroult smelting. EF 0.379 t/t Al is ~23× lower than EU CBAM default 8.6 (calibrated for primary smelters).

05 Hyperspectral coverage

5 EnMAP L2A scenes index this plant (2 with <1% cloud cover). Source: DLR EOC STAC. Following Borger et al. (2025), these scenes can yield direct CO₂ and NO₂ plume retrievals at ~30 m spatial resolution.

Lowest cloud cover scenes (showing top 5):

2023-11-15T09:29:32Z · cloud cover 0% · ENMAP01-____L2A-DT0000050962_20231115T092932Z_005_…
2023-11-15T09:29:32Z · cloud cover 0% · ENMAP01-____L2A-DT0000050962_20231115T092932Z_005_…
2025-11-17T09:32:31Z · cloud cover 1% · ENMAP01-____L2A-DT0000164236_20251117T093231Z_005_…
2023-11-15T09:29:28Z · cloud cover 3% · ENMAP01-____L2A-DT0000050962_20231115T092928Z_004_…
2023-11-15T09:29:28Z · cloud cover 3% · ENMAP01-____L2A-DT0000050962_20231115T092928Z_004_…

Downloads require a free DLR EOWEB account (see enmap_access_howto.md).

06 Verify / correct

If you're an operator or analyst with a more recent disclosure than what's shown above:

Open a pull request adding a row to data/tr_facility_known_emissions.csv (source).
Or email hi@barisgunaydin.com with the source PDF.
Or use the claim-your-facility form on the bench page.

Corrections that include a verifiable public source land within 24 hours. All data is Apache-2.0 licensed; methodology in paper/iz_v0.md.