{"@context":"https://schema.org","@type":"Dataset","@id":"https://asbestosatlas.org/shipyard/long-beach-naval-shipyard#provenance","name":"Long Beach Naval Shipyard — Evidence Provenance Record","description":"Machine-readable provenance for 4 evidence records documenting historical asbestos exposure at Long Beach Naval Shipyard in Long Beach, CA.","url":"https://asbestosatlas.org/shipyard/long-beach-naval-shipyard/provenance.json","mainEntityOfPage":{"@type":"WebPage","@id":"https://asbestosatlas.org/shipyard/long-beach-naval-shipyard#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/long-beach-naval-shipyard#place","name":"Long Beach Naval Shipyard"},"variableMeasured":[{"@type":"PropertyValue","propertyID":"Evidence records","value":4},{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Direct source URLs","value":4},{"@type":"PropertyValue","propertyID":"Documented asbestos products","value":2}],"hasPart":[{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/long-beach-naval-shipyard/provenance.json#ev-long-beach-01","name":"ev-long-beach-01: cohort other","description":"Chest x-ray survey of 6,640 Long Beach Shipyard employees (88.6% of workforce): 1,061 (16.0%) had asbestos-related radiographic abnormalities; positives rose with age (to 38.2% at ≥65) and service length (to 37.0% at 22–26 years)","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-long-beach-01"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://pubmed.ncbi.nlm.nih.gov/294186/","citation":"294186","temporalCoverage":"1979","disambiguatingDescription":"Radiographic prevalence study; does not report mortality or mesothelioma incidence rates."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/long-beach-naval-shipyard/provenance.json#ev-long-beach-02","name":"ev-long-beach-02: environmental record","description":"CERCLA Record of Decision for Former Long Beach Naval Shipyard IR Site 9 (Building 129 spills); addresses PCE/TCE/vinyl chloride contamination","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-long-beach-02"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://media.defense.gov/2022/Apr/07/2002972568/-1/-1/0/LBNC_200508_ROD_IR_SITE_9.PDF","citation":"Dept. of the Navy. Record of Decision/Remedial Action Plan, IR Site 9, Former Long Beach Naval Complex (August 2005). LBNC IR Site 9 ROD/RAP","temporalCoverage":"2005","disambiguatingDescription":"Environmental cleanup document for solvent contamination; not an asbestos-disease document. Included as primary environmental record for the named yard."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/long-beach-naval-shipyard/provenance.json#ev-long-beach-naval-shipyard-02","name":"ev-long-beach-naval-shipyard-02: cohort other","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-long-beach-naval-shipyard-02"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://pubmed.ncbi.nlm.nih.gov/4003623/","citation":"Kilburn KH, Lilis R, Anderson HA, et al. Asbestos disease in family contacts of shipyard workers. Am J Public Health. 1985;75(6):615-617. PMID 4003623. DOI 10.2105/AJPH.75.6.615","disambiguatingDescription":"Study names 'shipyards in Los Angeles County' collectively — does not isolate Long Beach Naval Shipyard specifically. MeSH terms include California and Michigan. Correction note published Am J Public Health 1985 Dec;75(12):1397. Claimed WWII period is unsupported; study is a 1980s radiographic survey with ≥20-year latency from hire."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/long-beach-naval-shipyard/provenance.json#ev-long-beach-naval-shipyard-osha-1989-18192260","name":"ev-long-beach-naval-shipyard-osha-1989-18192260: osha inspection","description":"OSHA’s asbestos sample search identifies 1989 bulk-result rows for the named Long Beach Naval Shipyard at Terminal Island, including a 20-percent result (Lab B41577), alongside lower-result and non-detect rows.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-long-beach-naval-shipyard-osha-1989-18192260"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://www.osha.gov/ords/samp/sampling_search.search?establishment=Us%20Navy%2C%20Long%20Beach%20Naval%20Shipyard&substance=Asbestos","citation":"OSHA Chemical Exposure Health Data asbestos query for U.S. Navy, Long Beach Naval Shipyard, Inspection 18192260; Lab B41577 and related 1989 records","temporalCoverage":"1989","disambiguatingDescription":"The cited result is a bulk-material result. OSHA’s inspection page lists a complaint but no citations. The records do not identify a worker, work task, yard-wide conditions, product source, medical causation, or liability."}],"distribution":{"@type":"DataDownload","encodingFormat":"application/ld+json","contentUrl":"https://asbestosatlas.org/shipyard/long-beach-naval-shipyard/provenance.json"},"citation":"Asbestos Atlas. (2026). Long Beach Naval Shipyard — 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"}}