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Sources and documentation

Original manuals, manufacturer support pages, public testing guidance and the sources behind EcoGeos disclosures.

This register identifies the documents used for the first draft articles. A manufacturer's specification and an independent consumer program serve different purposes; neither should be relabeled as our own testing.

HOME — Airthings — Original Corentium Home specifications (US model 223)

Open the original document. Source type: Manufacturer specifications. Checked 2026-10-12.

HOMEMAN — Airthings — Original Corentium Home manual v4.3, US section

Open the original document. Source type: Manufacturer instructions; includes US version. Checked 2026-10-12.

H2MAN — Airthings — Corentium Home 2 user manual v1 (June 2025)

Open the original document. Source type: Manufacturer instructions. Checked 2026-10-12.

H2SHEET — Airthings — Corentium Home 2 product sheet, version C (June 2025)

Open the original document. Source type: Manufacturer specifications; model and SKU identification. Checked 2026-10-12.

HUBMAN — Airthings — Ethernet Hub user manual v1 (April 2020)

Open the original document. Source type: Manufacturer instructions; hardware/network evidence, not current Home 2 pairing instructions. Checked 2026-10-12.

VPMAN — Airthings — View series manual

Open the original document. Source type: Manufacturer instructions; connection, power and display behavior. Checked 2026-10-12.

H2 — Airthings — Corentium Home 2 specifications

Open the original document. Source type: Manufacturer specifications. Checked 2026-10-12.

H2OFF — Airthings — Home 2 offline or connected

Open the original document. Source type: Manufacturer instructions. Checked 2026-10-12.

Open the original document. Source type: Manufacturer instructions. Checked 2026-10-12.

VP — Airthings — View Plus specifications

Open the original document. Source type: Manufacturer specifications. Checked 2026-10-12.

VPSTART — Airthings — View Plus starter guide

Open the original document. Source type: Manufacturer instructions. Checked 2026-10-12.

RD — Ecosense — RadonEye

Open the original document. Source type: Manufacturer specifications. Checked 2026-10-12.

RDFAQ — Ecosense — RD200 FAQ

Open the original document. Source type: Manufacturer instructions. Checked 2026-10-12.

CNRPP — C-NRPP — Consumer electronic radon monitors

Open the original document. Source type: Independent consumer performance program; Canadian scope. Checked 2026-10-12.

EPA — US EPA — A Citizen's Guide to Radon (2025)

Open the original document. Source type: US public guidance. Checked 2026-10-12.

EPAKIT — US EPA — Obtaining radon test kits

Open the original document. Source type: US public guidance. Checked 2026-10-12.

AMAZON — Amazon US — Associates Program Policies

Open the original document. Source type: Commercial program rules. Checked 2026-10-12.

RADONCOMPARE — Airthings — Comparing two radon monitors (September 2021)

Open the original document. Source type: Manufacturer guidance; named older models, not a universal tolerance. Checked 2026-10-12.

VPSPEC — Airthings — View sensor specifications (April 2026)

Open the original document. Source type: Manufacturer specifications; sensor methods and conditional accuracy. Checked 2026-10-12.

VPCAL — Airthings — View calibration period (April 2026)

Open the original document. Source type: Manufacturer instructions; not an EPA testing protocol. Checked 2026-10-12.

EPARE — US EPA — Home Buyer's and Seller's Guide to Radon (March 2024)

Open the original document. Source type: US public guidance; property transactions. Checked 2026-10-12.

EPAIAQ — US EPA — Low-cost indoor air pollution monitors (November 2025)

Open the original document. Source type: US public guidance; sensor scope and interpretation. Checked 2026-10-12.

EPASENSOR — US EPA — Air sensor technology and indoor air quality (March 2026)

Open the original document. Source type: US public guidance; sensor terminology and evidence limits. Checked 2026-10-12.

CDCCO — US CDC — Carbon monoxide poisoning basics (January 2026)

Open the original document. Source type: US public guidance; CO and household alarms. Checked 2026-10-12.

VOCMETHOD — Airthings — How the VOC sensor works (May 2022)

Open the original document. Source type: Manufacturer explanation; mixture response and baseline limits. Checked 2026-10-12.

VOCGASES — Airthings — Gas detection and VOC limitations (March 2026)

Open the original document. Source type: Manufacturer explanation; no individual chemical quantification. Checked 2026-10-12.

AMAZONAGREEMENT — Amazon US — Associates Program Operating Agreement

Open the original document. Source type: Commercial program agreement. Checked 2026-10-12.

Open the original document. Source type: Commercial disclosure requirements. Checked 2026-10-12.

FTC — US FTC — Endorsement guidance for affiliate marketing

Open the original document. Source type: US commercial disclosure guidance. Checked 2026-10-12.

ALLINKL — ALL-INKL.COM — Provider privacy information

Open the original document. Source type: Provider information; its own-site log policy has a separate scope. Checked 2026-10-12.

DDG — German Digital Services Act — Section 5

Open the original document. Source type: German operator-information requirements. Checked 2026-10-12.

SDTB — Saxon data protection authority — Contact and complaints

Open the original document. Source type: Supervisory authority contact details. Checked 2026-10-12.

How to use this list

Inspect the exact product and context before applying a claim. A model name in a consumer program does not establish a professional approval or a result for a later model. Our methodology explains the distinction.