{"@context":"https://schema.org","@type":"Dataset","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard#provenance","name":"Portsmouth Naval Shipyard — Evidence Provenance Record","description":"Machine-readable provenance for 11 evidence records documenting historical asbestos exposure at Portsmouth Naval Shipyard in Kittery, ME.","url":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json","mainEntityOfPage":{"@type":"WebPage","@id":"https://asbestosatlas.org/shipyard/portsmouth-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/portsmouth-naval-shipyard#place","name":"Portsmouth Naval Shipyard"},"variableMeasured":[{"@type":"PropertyValue","propertyID":"Evidence records","value":11},{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Direct source URLs","value":8},{"@type":"PropertyValue","propertyID":"Documented asbestos products","value":3}],"hasPart":[{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-naval-shipyard-01","name":"ev-portsmouth-naval-shipyard-01: cohort smr","description":"Rinsky et al. 1981: leukaemia SMR 84 (95% CI 34–174) among radiation workers — null result; no excess leukaemia or any other cause. Cohort: 7,615 radiation workers, 15,585 non-radiation, employed 1952–1977.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-naval-shipyard-01"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"citation":"PMID 6109897","temporalCoverage":"1952–1977","disambiguatingDescription":"Study evaluated radiation/leukaemia hypothesis, not asbestos exposure. No dose-response with radiation. Trade-specific asbestos exposure ranking not in this paper — needs separate source."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-naval-shipyard-02","name":"ev-portsmouth-naval-shipyard-02: cohort other","description":"1988 Case-Control Study (American Journal of Epidemiology): Elevated odds ratios for asbestos exposure among lung cancer cases. Elevated odds ratios for welding byproduct exposure. After controlling for asbestos and welding histories, initial radiation risk estimates were reduced—revealing that asbestos, not radiation, was the primary cancer risk factor.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-naval-shipyard-02"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"citation":"3337077","temporalCoverage":"1988","disambiguatingDescription":" Rinsky et al. 1988, Am J Epidemiol 127(1):55-64. DOI: 10.1093/oxfordjournals.aje.a114791. Case-control of lung cancer in Portsmouth workers; elevated ORs for asbestos/welding exposure."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-naval-shipyard-03","name":"ev-portsmouth-naval-shipyard-03: cohort other","description":"2005 Follow-Up Study (Radiation Research): The positive association between lung cancer risk and ionizing radiation observed previously was no longer present after adjusting for socioeconomic status, welding fume, and asbestos exposures. This conclusively demonstrated asbestos as the primary driver of lung cancer risk.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-naval-shipyard-03"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"citation":"15913392","temporalCoverage":"2005","disambiguatingDescription":" Yiin et al. 2005, Radiat Res 163(4):424-34. Follow-up study confirming asbestos association with lung cancer at Portsmouth; radiation association not supported after controlling for asbestos/welding."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-naval-shipyard-04","name":"ev-portsmouth-naval-shipyard-04: environmental record","description":"EPA Superfund site 1994-2024; delisted February 2024 after 30 years of cleanup. 350+ buildings contained asbestos materials. Toxic Landfill (1945-1978): 25 acres of tidal flats were filled with hazardous waste including asbestos insulation.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-naval-shipyard-04"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"disputed"}],"url":"https://www.navy.mil/Press-Office/News-Stories/Article/3712165/portsmouth-naval-shipyard-celebrates-epa-superfund-site-delisting/","citation":"EPA site ME7170022019 (PORTSMOUTH NAVAL SHIPYARD), listed 1994, deleted 2024. Navy press release: https://www.navy.mil/Press-Office/News-Stories/Article/3712165/portsmouth-naval-shipyard-celebrates-epa-superfund-site-delisting/","temporalCoverage":"1994-2024","disambiguatingDescription":" NOTE: Asbestos is NOT a named COC in any of the 8 Portsmouth RODs (ME7170022019). COCs are PAHs, metals, PCBs, chlorinated dioxins. \"350+ buildings\" and \"Toxic Landfill\" asbestos claims need NAVFAC or NARA source."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-naval-shipyard-05","name":"ev-portsmouth-naval-shipyard-05: fiber measurement","description":"Retrospective asbestos exposure reconstruction for nested case-control study at Portsmouth Naval Shipyard: cumulative asbestos 0.01 to ~20,000 fiber-days/cm³, median 29.0 fiber-days/cm³ (N=4,388)","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-naval-shipyard-05"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://pubmed.ncbi.nlm.nih.gov/19378213/","citation":"19378213","temporalCoverage":"2009","disambiguatingDescription":"PubMed abstract says 'a U.S. naval shipyard' without naming Portsmouth; companion NIOSH/CDC Stacks materials in the same research stream identify Portsmouth Naval Shipyard."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-naval-shipyard-06","name":"ev-portsmouth-naval-shipyard-06: gov survey","description":"NIOSH HHE of Portsmouth Naval Shipyard insulation shop for nosebleeds/irritation related to possible asbestos, fibrous glass, magnesium silicates; asbestos not currently used; TEM/PCM air samples at or below background levels","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-naval-shipyard-06"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://www.cdc.gov/niosh/hhe/reports/pdfs/85-21-1654.pdf","citation":"NIOSH Health Hazard Evaluation Report HETA 85-021-1654, Portsmouth Naval Shipyard (January 1986)","temporalCoverage":"1986","disambiguatingDescription":"Asbestos not currently used at time of investigation; air samples at or below background. Documents historical asbestos use in insulation shop."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-seel-2007","name":"ev-portsmouth-seel-2007: cohort other","description":"Inter-rater agreement study for retrospective asbestos exposure assessment at Portsmouth Naval Shipyard. Mean cumulative asbestos exposure 520 fiber-days/cc; exposures higher in early years, declined mid-1970s; asbestos associated with lung cancer. Explicitly names Portsmouth Naval Shipyard.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-seel-2007"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://pubmed.ncbi.nlm.nih.gov/17846032/","citation":"17846032","temporalCoverage":"~1952–1990s (retrospective reconstruction)","disambiguatingDescription":"Seel EA, Zaebst DD, Hein MJ, et al. Ann Occup Hyg. 2007;51(7):601-10. doi:10.1093/annhyg/mem037. Exposure reconstruction methodology paper; explicitly names PNS. CDC Stacks: https://stacks.cdc.gov/view/cdc/186618"},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-yiin-2007","name":"ev-portsmouth-yiin-2007: cohort other","description":"Nested case-control study of lung cancer risk and ionizing radiation exposure at Portsmouth Naval Shipyard. Cohort of 37,853 civilian workers 1952–1992; adjusts for asbestos among confounders.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-yiin-2007"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://pubmed.ncbi.nlm.nih.gov/17705634/","citation":"17705634","temporalCoverage":"1952–1992","disambiguatingDescription":"Yiin JH, Silver SR, Daniels RD, et al. Radiat Res. 2007;168(3):341-8. doi:10.1667/RR0843.1. Asbestos treated as confounder; confirms exposure at PNS. Largest PNS cohort study."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-rinsky-1988","name":"ev-portsmouth-rinsky-1988: cohort smr","description":"Lung cancer case-control study of Portsmouth Naval Shipyard civilian workers (1952–1977 employment window): elevated odds ratios for asbestos exposure; combined asbestos/welding duration categories significantly elevated; asbestos and welding exposure confounded radiation–lung cancer associations. Named-yard peer-reviewed cohort study.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-rinsky-1988"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://pubmed.ncbi.nlm.nih.gov/3337077/","citation":"3337077","temporalCoverage":"1952-1977","disambiguatingDescription":"Case-control design; asbestos exposure confounded with radiation and welding exposures. Asbestos OR elevated but exact value not reported in abstract; full text required for precise estimate."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-zaebst-2009","name":"ev-portsmouth-zaebst-2009: cohort smr","description":"Retrospective asbestos and welding fume exposure reconstruction for nested case-control study at Portsmouth Naval Shipyard: cumulative asbestos exposure ranged from 0.01 to approximately 20,000 fiber-days/cm³, with median 29.0 fiber-days/cm³ (N=4,388 workers). Provides quantitative exposure estimates supporting dose-response analysis.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-zaebst-2009"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://pubmed.ncbi.nlm.nih.gov/19378213/","citation":"19378213","temporalCoverage":"1952-1990","disambiguatingDescription":"PubMed abstract identifies 'a U.S. naval shipyard' without naming Portsmouth; companion CDC Stacks materials (https://stacks.cdc.gov/view/cdc/187317/cdc_187317_DS1.pdf) in the same NIOSH research stream identify Portsmouth Naval Shipyard."},{"@type":"CreativeWork","@id":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json#ev-portsmouth-naval-shipyard-osha-1987-18057836","name":"ev-portsmouth-naval-shipyard-osha-1987-18057836: osha inspection","description":"OSHA’s 1987 health-complaint inspection identifies Portsmouth Naval Shipyard at Seavey Island, Kittery, with an asbestos emphasis and current serious citations under the then-applicable asbestos construction standard.","identifier":{"@type":"PropertyValue","propertyID":"Asbestos Atlas Evidence ID","value":"ev-portsmouth-naval-shipyard-osha-1987-18057836"},"additionalProperty":[{"@type":"PropertyValue","propertyID":"Evidence tier","value":"Tier 1"},{"@type":"PropertyValue","propertyID":"Verification status","value":"verified"}],"url":"https://www.osha.gov/ords/imis/establishment.inspection_detail?id=18057836","citation":"OSHA Inspection 18057836, Portsmouth Naval Shipyard; asbestos emphasis; current serious citations including 29 CFR 1926.58 H02 I, I02 I, and I03","temporalCoverage":"1987–1988 case record","disambiguatingDescription":"The OSHA inspection display also records deleted citations. This entry describes only the current asbestos-standard citations identified on the page. It does not supply a measured concentration, individual worker information, product source, medical causation, or liability."}],"distribution":{"@type":"DataDownload","encodingFormat":"application/ld+json","contentUrl":"https://asbestosatlas.org/shipyard/portsmouth-naval-shipyard/provenance.json"},"citation":"Asbestos Atlas. (2026). Portsmouth 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"}}