{"@context":"https://schema.org","@type":"Dataset","@id":"https://asbestosatlas.org/shipyard/marinship-sausalito#provenance","name":"Marinship Corporation — Evidence Provenance Record","description":"Machine-readable provenance for 2 evidence records documenting historical asbestos exposure at Marinship Corporation in Sausalito, CA.","url":"https://asbestosatlas.org/shipyard/marinship-sausalito/provenance.json","mainEntityOfPage":{"@type":"WebPage","@id":"https://asbestosatlas.org/shipyard/marinship-sausalito#webpage"},"isPartOf":{"@type":"Dataset","@id":"https://asbestosatlas.org/data#dataset","name":"U.S. Shipyard Asbestos Exposure Dataset","identifier":"https://doi.org/10.5281/zenodo.22313866","url":"https://asbestosatlas.org/data","version":"1.6"},"version":"1.6","license":"https://creativecommons.org/licenses/by/4.0/","spatialCoverage":{"@type":"Place","@id":"https://asbestosatlas.org/shipyard/marinship-sausalito#place","name":"Marinship Corporation"},"variableMeasured":[{"@type":"PropertyValue","propertyID":"Evidence records","value":2},{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 2"},{"@type":"PropertyValue","propertyID":"Direct source URLs","value":2},{"@type":"PropertyValue","propertyID":"Documented asbestos products","value":4}],"hasPart":[{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/marinship-sausalito/provenance.json#ev-marinship-sausalito-epa-01","name":"ev-marinship-sausalito-epa-01: environmental record","description":"Marinship Shipyard (Sausalito, CA) listed as EPA Superfund site (CERCLIS ID CA0001900563). Site operated by W.A. Bechtel Company 1942–1945; built 93 vessels. Asbestos-containing materials documented in soil and debris. Remediation completed under CERCLA.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-marinship-sausalito-epa-01"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 2"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://cumulis.epa.gov/supercpad/cursites/csitinfo.cfm?id=0901512","citation":"EPA CERCLIS ID CA0001900563; Marinship Superfund Site, Sausalito CA","temporalCoverage":"1942–1945 (operations); remediation 1990s–2000s","disambiguatingDescription":"Environmental record only — no worker cohort study exists for this wartime yard. NIOSH HHE program began 1970; Marinship closed 1945. Worker exposure documentation must come from NARA BuMed or Navy records."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/marinship-sausalito/provenance.json#ev-marinship-sausalito-usmc-1944","name":"ev-marinship-sausalito-usmc-1944: industrial hygiene survey","description":"The U.S. Maritime Commission (USMC) conducted a series of industrial hygiene surveys at Pacific Coast shipyards during 1942–1944, documenting asbestos dust exposure among insulators and pipefitters during Liberty Ship and T2 tanker construction. Marinship Corporation (Sausalito, CA) was among the yards surveyed. Surveys recorded dust counts during cutting and fitting of amosite pipe covering and boiler block insulation in confined engine rooms and boiler spaces. The survey series was part of the USMC’s wartime occupational health program and is cited in the White Lung Association’s authoritative review of U.S. shipyard asbestos exposure (Fite, 2004).","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-marinship-sausalito-usmc-1944"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 2"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://www.archives.gov/research/guide-fed-records/groups/178.html","citation":"U.S. Maritime Commission, Industrial Hygiene Survey Series, Pacific Coast Shipyards (1942–1944); cited in Fite, James, ‘U.S. Shipyards: A History of Massive Asbestos Exposure and Disease,’ White Lung Association Conference Paper WS-H-02 (2004). W.A. Simons Trust California Site List (Sep. 2020): MARINSHIP—SAUSALITO, CA, exposure window 01-Jan-40 to 31-Dec-69.","temporalCoverage":"1942–1944 (WWII peak production; survey series conducted by USMC industrial hygienists)","disambiguatingDescription":"The USMC survey series covered multiple Pacific Coast yards; Marinship-specific dust count data has not been separately published. The W.A. Simons Trust site list (2020) independently confirms the high-exposure window (1940–1969), providing corroborating evidence for the survey findings. Original survey series held in NARA RG 178 (U.S. Maritime Commission records). White Lung Association PDF was a secondary compilation; replaced with NARA archival reference."}],"distribution":{"@type":"DataDownload","encodingFormat":"application/ld+json","contentUrl":"https://asbestosatlas.org/shipyard/marinship-sausalito/provenance.json"},"citation":"Asbestos Atlas. (2026). Marinship Corporation — Evidence Provenance Record. U.S. Shipyard Asbestos Exposure Dataset v1.6. https://doi.org/10.5281/zenodo.22313866","isBasedOn":{"@type":"CreativeWork","name":"Asbestos Atlas Methodology and Source Criteria","url":"https://asbestosatlas.org/methodology"}}