Humboldt Sawmill Company (HSC)

Registry Record

Registry

Isometric

Project ID

ISOHD88

Country

United States

Category

Biomass CDR

Methodology

iso-biochar

Status

Not stated

Credits Issued

6,259.31 tCO₂e

Credits Retired

2,221 tCO₂e

Data as of

1 June 2026

Issuance and retirement by vintage

Issued Retired
Issuance and retirement by vintageVintages 2025 to 2026: 6,259 tonnes issued and 2,221 retired.01.3k2.5k3.8k5k2025 issued: 4,405 tonnes2025 retired: 2,221 tonnes20252026 issued: 1,854 tonnes2026
VintageIssued (tCO₂e)Retired (tCO₂e)
20261,854none
20254,4052,221

Source: Registry records · Data as of 1 June 2026

Credit Passport in detail

ICVCM quality status

Methodology could not be matched to ICVCM records.

  • Programme: Isometric, CCP-eligible since December 2024.

The CCP label is applied to credits by the registry, issuance by issuance. An approved methodology means credits from this project can be eligible; it does not mean every credit carries the label.

Source: ICVCM assessment decisions · Decisions read 19 September 2026

What this layer checks

CORSIA screen

A screen against published ICAO criteria, not an eligibility determination.

First phase, 2024 to 2026

  • ProgrammePassesIsometric is approved by ICAO for 2024 to 2026.
  • DatesCannot be confirmed from available dataCredits issued for vintages 2025 to 2026. The start of the first crediting period is not in registry data.
  • Host country authorisationCannot be confirmed from available dataAuthorisation is granted per activity. This screen cannot confirm whether this project holds a Letter of Authorization.

Second phase, 2027 to 2029

  • ProgrammeDoes not passIsometric is not on ICAO's approved list for 2027 to 2029.
  • DatesCannot be confirmed from available dataCredits issued for vintages 2025 to 2026. The start of the first crediting period is not in registry data.

Programme-specific exclusions were not assessed. Host country context is under Article 6 below.

Source: ICAO eligibility decisions and registry records · Criteria verified 25 September 2026

What this layer checks

United States and Article 6

Bilateral agreements
0
Authority for the Paris Agreement Crediting Mechanism
Not appointed
Participation requirements for the Mechanism
Not published
Cooperative approaches
0
Article 6.2 activities
0
Crediting Mechanism activities approved by the host
0
Crediting Mechanism activities registered
0

This is country-level context. It does not show whether this project is authorised.

Source: UN Article 6 tracking · Data as of 4 September 2026

What this layer checks

Recorded buyers

No organisation named as beneficiary in registry records.

Retired credits from this project? See what a company can still say about them under the EU green claims rules.

Source: Registry records · Data as of 1 June 2026

What this layer checks

Humboldt Sawmill Company (HSC) is registered with Isometric under the iso-biochar protocol, located in United States. As of 1 June 2026, registry records show 6,259.31 tonnes issued and 2,221 tonnes retired. This reflects registry-reported figures, not an independent quality assessment.

Related

Similar projects

Same methodology and country, largest issuance first.

Questions about this project

How many credits has Humboldt Sawmill Company (HSC) issued?

6,259 tonnes of credits have been issued and 2,221 retired, according to registry records as of 1 June 2026.

Registry data as of June 1, 2026