Evidence
4 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-4).
-
[1]U.S. GAO, Navy Efforts To Protect Workers From Asbestos Exposure, HRD-80-2 (Oct. 18, 1979), full report PDF [gao]
- Locator
- Report opening summary and section 'Navy's Policy on Use of Asbestos'
- Finding type
- gov_survey
- Finding
- The GAO report states that Navy officials told GAO that ships contained some asbestos in components such as clutches and electric cables, while most ships delivered in the several years before the report had little or no asbestos as thermal insulation. It also describes the Navy's 1975 policy to substitute non-asbestos insulation where suitable alternatives had been designated.
- Verification
- verified
- Role
- context
- Documentation level
- context_only
- Accessed
- 2026-10-02
- Study period
- 1975-1979
- Population
- U.S. Navy vessels and shipyard workers
- Limitations
- Navy-wide program evidence, not hull-specific and not evidence that LSM-485 contained any particular material. It does not identify LSM-485, its construction date, or its delivery date. No ship-level quantity, location, or exposure is established.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-485-lsm485-01
-
[2]Authenticated CourtListener API v4 search results via required helper cl-auth-search.py; exact-name and hull-number opinion and docket queries [court_record]
- Locator
- Search ledger rows sl-uss-lsm-485-lsm485-03 through -06
- Finding type
- litigation_documented
- Finding
- The exact-name opinion query returned one unrelated opinion, Amerace Esna Corp. v. United States; the LSM-485 opinion query returned six unrelated case captions, with no hull-specific asbestos opinion identified. The LSM-485 docket query reported 422 broad matches; the first 20 returned captions were unrelated and none was identified as an asbestos case about this hull. No qualifying hull-specific asbestos litigation was identified among the results inspected.
- Verification
- partial
- Role
- negative_finding
- Documentation level
- context_only
- Accessed
- 2026-10-02
- Study period
- Search conducted 2026-10-02
- Limitations
- Partial negative finding only. The exact-name docket query did not return results, and only 20 of 422 hull-term docket matches were inspected; remaining matches were not classified. Search-result metadata and captions do not constitute full docket review. No claim is made that no litigation exists.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-485-lsm485-02
-
[3]National Archives, An Introduction to Navy Deck Logs [other_primary]
- Locator
- Sections 'An Introduction to Navy Deck Logs' and 'View the list of logbooks that are online in the National Archives Catalog'
- Finding type
- historical_record
- Finding
- NARA explains that permanent Navy deck logs were kept for commissioned ships as commands and that many service vessels did not have that administrative status. NARA also describes the online catalog as an incomplete and periodically updated set of digitized logs.
- Verification
- verified
- Role
- context
- Documentation level
- context_only
- Accessed
- 2026-10-02
- Study period
- General records guidance
- Population
- U.S. Navy vessels and service craft
- Limitations
- General archival guidance only. It does not establish whether USS LSM-485 was commissioned, whether it kept a deck log, or whether its logs survive. Failure to find an online catalog entry is not proof that records do not exist.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-485-lsm485-03
-
[4]Negative finding from this batch's official-source review; repositories and queries listed in search_ledger [other_primary]
- Locator
- Search ledger entries sl-uss-lsm-485-lsm485-01 through -06
- Finding type
- asbestos_application
- Finding
- No ship-specific asbestos survey, abatement record, hazmat disclosure, or asbestos product identification for USS LSM-485 was located in the accessible authoritative sources reviewed. Ship-specific asbestos presence remains unknown.
- Verification
- partial
- Role
- negative_finding
- Documentation level
- context_only
- Accessed
- 2026-10-02
- Study period
- Research conducted 2026-10-02
- Limitations
- Bounded search result, not proof that no record exists. Firecrawl was unavailable due keyless quota exhaustion. Official hull-history and archival searches were incomplete. Secondary ship-history compilations were excluded as evidence under this batch's source rule.
- Atlas source
- true
- Evidence ID
- ev-uss-lsm-485-lsm485-04