Feature
A record archive that outlives your spreadsheet.
Exposure data, medical clearances, fit tests, training certifications. Stored in a form that's legible in 2055.
What the rule actually says
OSHA 29 CFR 1910.1020 requires that employee exposure records and employee medical records be preserved and maintained for at least the duration of employment plus 30 years (with narrow exceptions). The substance-specific rules layer on top: 29 CFR 1926.1101(n) for asbestos, 29 CFR 1926.62(n) for lead, and so on.
"Preserved and maintained" is doing a lot of work in that sentence. In practice it means the record has to be findable, readable, and attributable to a specific worker, on demand, decades after the worker stopped working for you.
How Nexus handles it
- Versioned credential history. When a credential is renewed, the prior version is archived rather than overwritten. The renewal chain is preserved end-to-end so the full history of every training, fit test, and medical clearance is recoverable.
- Attribution. Every record carries the worker, the credential type, the issuing body, the issue and expiration dates, and a link back to the source document (the uploaded PDF or photo).
- Source documents stay attached. The original certificate, lab report, or medical clearance is stored in encrypted object storage and linked to the structured record. The record is the data; the document is the receipt.
- Export on demand. A worker's full credential history exports as a CSV with the linked source documents available for download alongside.
- Long-horizon storage. Customer data lives in managed Postgres with daily backups and Cloudflare R2 object storage with eleven-nines durability. The platform is engineered for the long retention horizon, not a quarterly product cycle.
What "worker access" means in practice
Workers have a federal right under 1910.1020 to access their own exposure and medical records, including after they've left employment. When a former worker requests their record, your admin can pull their full history and export it without digging through archive boxes or chasing old binders.
Related
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