{
  "dataset": "sources",
  "name": "Source registry",
  "description": "Every source cited by the datasets, with its tier and the date it was accessed.",
  "page": "https://silicosislawsuit.com/sources/",
  "license": "CC BY 4.0, attribution to silicosislawsuit.com",
  "record_count": 38,
  "last_verified": "2026-09-12",
  "records": [
    {
      "source_id": "aboutlawsuits-silicosis",
      "title": "Silicosis Lawsuit - Engineered Stone Silica Dust Exposure Lawsuits",
      "publisher": "AboutLawsuits.com",
      "url": "https://www.aboutlawsuits.com/silicosis-lawsuit/",
      "tier": 3,
      "type": "legal_marketing",
      "date": "2026-09",
      "accessed": "2026-09-12",
      "notes": "Legal-marketing site. Used only as a discovery list of companies named in complaints; nothing here is treated as verified."
    },
    {
      "source_id": "aiha-2024-01-04",
      "title": "Cal/OSHA Issues Emergency Temporary Standard on Respirable Crystalline Silica",
      "publisher": "AIHA",
      "url": "https://www.aiha.org/news/240104-cal-osha-issues-emergency-temporary-standard-on-respirable-crystalline-silica",
      "tier": 2,
      "type": "professional_org",
      "date": "2024-01-04",
      "accessed": "2026-09-12",
      "notes": "Industrial hygiene professional association."
    },
    {
      "source_id": "aiha-2025-01-09",
      "title": "California Standards Board Adopts Permanent Silica Standard",
      "publisher": "AIHA",
      "url": "https://www.aiha.org/news/250109-california-standards-board-adopts-permanent-silica-standard",
      "tier": 2,
      "type": "professional_org",
      "date": "2025-01-09",
      "accessed": "2026-09-12",
      "notes": ""
    },
    {
      "source_id": "alangray-2026-07",
      "title": "Artificial Stone Silicosis: Assessing the Mass Tort Potential",
      "publisher": "Alan Gray LLC",
      "url": "https://www.alangray.com/knowledge-base/artificial-stone-silicosis-assessing-the-mass-tort-potential",
      "tier": 3,
      "type": "industry_analysis",
      "date": "2026-07",
      "accessed": "2026-09-12",
      "notes": "Insurance claims consultancy. States no federal MDL identified as of July 2026; cites NIOSH 2018 establishment counts."
    },
    {
      "source_id": "braytonlaw-47m-2026",
      "title": "California Jury Returns $47+ Million Verdict in Artificial Stone Silicosis Case",
      "publisher": "Brayton Purcell LLP",
      "url": "https://www.braytonlaw.com/47-million-artificial-stone-silicosis-verdict-california",
      "tier": 3,
      "type": "press_release",
      "date": "2026-08",
      "accessed": "2026-09-12",
      "notes": "Plaintiff counsel (interested party)."
    },
    {
      "source_id": "braytonlaw-7-1m-2026",
      "title": "Jury Assesses $7.1 Million to Family of Artificial Stone Fabrication Worker Who Died from Silicosis",
      "publisher": "Brayton Purcell LLP",
      "url": "https://www.braytonlaw.com/artificial-stone-silicosis-7-1-million-verdict",
      "tier": 3,
      "type": "press_release",
      "date": "2026-08-28",
      "accessed": "2026-09-12",
      "notes": "Plaintiff counsel (interested party). Names defense counsel and gives fault allocation."
    },
    {
      "source_id": "braytonlaw-court-successes",
      "title": "Court Successes: Artificial Stone Silicosis",
      "publisher": "Brayton Purcell LLP",
      "url": "https://www.braytonlaw.com/court-successes-bp-artificial-stone-silicosis",
      "tier": 3,
      "type": "law_firm",
      "date": "2026",
      "accessed": "2026-09-12",
      "notes": "Plaintiff counsel results page. Source for two confidential settlements with no party names."
    },
    {
      "source_id": "cbs-2026-03-12",
      "title": "Silicosis, lung disease once linked to mining, hits workers in countertops industry",
      "publisher": "CBS News",
      "url": "https://www.cbsnews.com/news/silicosis-lung-disease-workers-countertops-industry/",
      "tier": 2,
      "type": "news",
      "date": "2026-03-12",
      "accessed": "2026-09-12",
      "notes": "Syndication of the KFF Health News report."
    },
    {
      "source_id": "cdph-ess-dashboard",
      "title": "Engineered Stone Silicosis Surveillance Dashboard",
      "publisher": "California Department of Public Health",
      "url": "https://www.cdph.ca.gov/Programs/CCDPHP/DEODC/OHB/Pages/essdashboard.aspx",
      "tier": 1,
      "type": "agency",
      "date": "2026",
      "accessed": "2026-09-12",
      "notes": "Updated weekly. The embedded dashboard cannot be read by this project's tools; figures are taken from CDPH publications and reporting that cites it."
    },
    {
      "source_id": "cdph-reportable-2025-11-17",
      "title": "Silicosis Becomes a Reportable Disease in California (CAHAN advisory)",
      "publisher": "California Department of Public Health",
      "url": "https://www.cdph.ca.gov/Programs/OPA/Pages/CAHAN/Silicosis-Becomes-a-Reportable-Disease-in-California-.aspx",
      "tier": 1,
      "type": "agency",
      "date": "2025-11-17",
      "accessed": "2026-09-12",
      "notes": "Reportable from June 2025; 7-day provider reporting; counts as of 13 Nov 2025 (432 cases, 25 deaths, 48 transplants; LA 226, Orange 86)."
    },
    {
      "source_id": "cidrap-2026-09",
      "title": "Public Health Alerts: Silicosis among workers fabricating engineered stone ('quartz') countertops in California, 2019-2026",
      "publisher": "CIDRAP (University of Minnesota) / NEJM Evidence",
      "url": "https://www.cidrap.umn.edu/misc-emerging-topics/public-health-alerts-silicosis-among-workers-fabricating-engineered-stone",
      "tier": 2,
      "type": "university",
      "date": "2026-09",
      "accessed": "2026-09-12",
      "notes": ""
    },
    {
      "source_id": "congress-hr5437",
      "title": "H.R.5437 - Protection of Lawful Commerce in Stone Slab Products Act (119th Congress)",
      "publisher": "Congress.gov",
      "url": "https://www.congress.gov/bill/119th-congress/house-bill/5437",
      "tier": 1,
      "type": "legislation",
      "date": "2025-09-17",
      "accessed": "2026-09-12",
      "notes": "congress.gov returns 403 to automated fetches; bill status read via the Quiver Quantitative mirror and hearing documents on docs.house.gov."
    },
    {
      "source_id": "dailyjournal-385182",
      "title": "LA County court seeks to coordinate 80 silicosis lawsuits",
      "publisher": "Daily Journal",
      "url": "https://www.dailyjournal.com/articles/385182-la-county-court-seeks-to-coordinate-80-silicosis-lawsuits",
      "tier": 2,
      "type": "news",
      "date": "2025",
      "accessed": "2026-09-12",
      "notes": "Paywalled; not read in full. Reports a coordination petition by Presiding Judge Sergio C. Tapia II covering nearly 80 cases in Los Angeles, Orange and San Francisco counties."
    },
    {
      "source_id": "dailyjournal-385970",
      "title": "Stone countertop makers get jury win in case claiming liability for silicosis",
      "publisher": "Daily Journal",
      "url": "https://www.dailyjournal.com/article/385970-stone-countertop-makes-get-jury-win-in-case-claiming-liability-for-silicosis",
      "tier": 2,
      "type": "news",
      "date": "2025-06",
      "accessed": "2026-09-12",
      "notes": "Legal newspaper; paywalled. Not read in full by this project; cited via search excerpt naming the Torrance courthouse and Judge Eric C. Taylor."
    },
    {
      "source_id": "dir-2026-45",
      "title": "Standards Board Advances Efforts to Protect Workers from Silicosis (News Release 2026-45)",
      "publisher": "California Department of Industrial Relations",
      "url": "https://www.dir.ca.gov/DIRNews/2026/2026-45.html",
      "tier": 1,
      "type": "agency",
      "date": "2026-05",
      "accessed": "2026-09-12",
      "notes": "Not reachable from this project's network; content read via the WorkCompWire reprint."
    },
    {
      "source_id": "docs-house-ju03-2026-01-14",
      "title": "Witness statement of David Michaels, House Judiciary subcommittee hearing, January 14, 2026",
      "publisher": "U.S. House of Representatives (docs.house.gov)",
      "url": "https://docs.house.gov/meetings/JU/JU03/20260114/118817/HHRG-119-JU03-Wstate-MichaelsD-20260114-U9.pdf",
      "tier": 1,
      "type": "government",
      "date": "2026-01-14",
      "accessed": "2026-09-12",
      "notes": ""
    },
    {
      "source_id": "fr-2016-04800",
      "title": "Occupational Exposure to Respirable Crystalline Silica; Final Rule, 81 FR 16286",
      "publisher": "Federal Register / OSHA",
      "url": "https://www.federalregister.gov/documents/2016/03/25/2016-04800/occupational-exposure-to-respirable-crystalline-silica",
      "tier": 1,
      "type": "regulation",
      "date": "2016-03-25",
      "accessed": "2026-09-12",
      "notes": "Verified via the Federal Register API: published 2016-03-25, effective 2016-06-23, Docket OSHA-2010-0034."
    },
    {
      "source_id": "healio-2026-09-11",
      "title": "Engineered stone silicosis 'growing epidemic' in California workers",
      "publisher": "Healio",
      "url": "https://www.healio.com/news/pulmonology/20260911/engineered-stone-silicosis-growing-epidemic-in-california-workers",
      "tier": 2,
      "type": "news",
      "date": "2026-09-11",
      "accessed": "2026-09-12",
      "notes": "Medical news service. Reports the CDPH count as of 13 Aug 2026 (631 cases, 74 transplants, 35 deaths) and the NEJM Evidence figures."
    },
    {
      "source_id": "kff-2026-03-12",
      "title": "As Lung Disease Threatens Workers, Lawmakers Seek Protections for Countertop Manufacturers",
      "publisher": "KFF Health News",
      "url": "https://kffhealthnews.org/news/article/quartz-countertops-silicosis-workers-lung-disease-crystalline-silica/",
      "tier": 2,
      "type": "news",
      "date": "2026-03-12",
      "accessed": "2026-09-12",
      "notes": "Also carried by CBS News. Source for the '370+ lawsuits' figure (attributed to plaintiff attorneys), company statements and CDPH counts as of early March 2026."
    },
    {
      "source_id": "kslaw-2025-06-06",
      "title": "King & Spalding Secures Complete Defense Victory for Caesarstone in Hard-Fought Product Liability Trial",
      "publisher": "King & Spalding LLP",
      "url": "https://www.kslaw.com/news-and-insights/king-spalding-secures-complete-defense-victory-for-caesarstone-in-hard-fought-product-liability-trial",
      "tier": 3,
      "type": "press_release",
      "date": "2025-06-06",
      "accessed": "2026-09-12",
      "notes": "Defense counsel press release (interested party). Gives verdict date, claims tried and nonsuit rulings."
    },
    {
      "source_id": "leginfo-sb20",
      "title": "SB-20 Occupational safety: high-exposure trigger tasks on artificial stone (2025-2026)",
      "publisher": "California Legislative Information",
      "url": "https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260SB20",
      "tier": 1,
      "type": "statute",
      "date": "2025-10-13",
      "accessed": "2026-09-12",
      "notes": "Chaptered 13 Oct 2025, Chapter 734. Amends Labor Code 6302 and 6432; adds Chapter 2.2 (sections 6359.1 to 6359.5)."
    },
    {
      "source_id": "littler-2025-01-15",
      "title": "Cal/OSHA Approves Final Respirable Crystalline Silica Regulation, While Other Potential Limits on Engineered Stone Remain Under Consideration",
      "publisher": "Littler Mendelson",
      "url": "https://www.littler.com/news-analysis/asap/calosha-approves-final-respirable-crystalline-silica-regulation-while-other",
      "tier": 3,
      "type": "law_firm",
      "date": "2025-01-15",
      "accessed": "2026-09-12",
      "notes": "Management-side employment firm. Reports the 19 Dec 2024 adoption and SB 20 introduction."
    },
    {
      "source_id": "niosh-2015-106",
      "title": "OSHA/NIOSH Hazard Alert: Worker Exposure to Silica during Countertop Manufacturing, Finishing and Installation (2015)",
      "publisher": "NIOSH / OSHA",
      "url": "https://www.cdc.gov/niosh/docs/2015-106/default.html",
      "tier": 1,
      "type": "agency",
      "date": "2015",
      "accessed": "2026-09-12",
      "notes": "DHHS (NIOSH) Publication No. 2015-106. Original page now returns 404; superseded by 2026-101."
    },
    {
      "source_id": "niosh-2026-101",
      "title": "OSHA/NIOSH Hazard Alert: Worker Exposure to Silica during Countertop Manufacturing, Finishing, and Installation (2026 update)",
      "publisher": "NIOSH / OSHA",
      "url": "https://www.cdc.gov/niosh/publications/numbered/2026-101.html",
      "tier": 1,
      "type": "agency",
      "date": "2026-02-26",
      "accessed": "2026-09-12",
      "notes": "DHHS (NIOSH) Publication No. 2026-101; OSHA HA-3768-2026. Updates the 2015 alert (2015-106)."
    },
    {
      "source_id": "oshsb-petition-609-eval",
      "title": "Cal/OSHA evaluation of Petition 609 (memorandum dated April 10, 2026)",
      "publisher": "Occupational Safety and Health Standards Board",
      "url": "https://www.dir.ca.gov/oshsb/documents/petition-609-CalOSHAeval.pdf",
      "tier": 1,
      "type": "agency",
      "date": "2026-04-10",
      "accessed": "2026-09-12",
      "notes": "Not reachable from this project's network; existence confirmed via search index."
    },
    {
      "source_id": "phw-2024-08-08",
      "title": "Jury Awards $52.4M in Case Against Artificial-Stone Countertop Makers",
      "publisher": "Public Health Watch",
      "url": "https://publichealthwatch.org/2024/08/08/jury-awards-52-4m-in-case-against-artificial-stone-countertop-makers/",
      "tier": 2,
      "type": "news",
      "date": "2024-08-08",
      "accessed": "2026-09-12",
      "notes": "Non-profit investigative newsroom; reports the verdict, defendant count and plaintiff biography."
    },
    {
      "source_id": "phw-2026-05-21",
      "title": "California Moves Closer to Banning Fabrication of Popular Countertops",
      "publisher": "Public Health Watch",
      "url": "https://publichealthwatch.org/2026/05/21/california-ban-stone-countertops-workplace-epidemic-silicosis/",
      "tier": 2,
      "type": "news",
      "date": "2026-05-21",
      "accessed": "2026-09-12",
      "notes": "Reports the 21 May 2026 Standards Board vote, board members present, and county-level case counts."
    },
    {
      "source_id": "prn-braytonpurcell-2024-08-07",
      "title": "Historic Verdict in Los Angeles, California: Jury Returns a $52,437,366 to Silicosis Victim in Landmark Artificial Stone Case",
      "publisher": "Brayton Purcell LLP via PR Newswire",
      "url": "https://www.prnewswire.com/news-releases/historic-verdict-in-los-angeles-california-jury-returns-a-52-437-366-to-silicosis-victim-in-landmark-artificial-stone-case-302217392.html",
      "tier": 3,
      "type": "press_release",
      "date": "2024-08-07",
      "accessed": "2026-09-12",
      "notes": "Plaintiff counsel press release (interested party)."
    },
    {
      "source_id": "prn-braytonpurcell-2026-05-04",
      "title": "Brayton Purcell LLP announces $17,450,000 Verdict In The First Colorado Artificial Stone Countertop Fabrication Silicosis Case",
      "publisher": "Brayton Purcell LLP via PR Newswire",
      "url": "https://www.prnewswire.com/news-releases/brayton-purcell-llp-announces-17-450-000-verdict-in-the-first-colorado-artificial-stone-countertop-fabrication-silicosis-case-302761811.html",
      "tier": 3,
      "type": "press_release",
      "date": "2026-05-04",
      "accessed": "2026-09-12",
      "notes": "Plaintiff counsel (interested party). Gives case number and damages components."
    },
    {
      "source_id": "pubmed",
      "title": "PubMed",
      "publisher": "National Library of Medicine",
      "url": "https://pubmed.ncbi.nlm.nih.gov/",
      "tier": 1,
      "type": "journal_index",
      "date": "2026",
      "accessed": "2026-09-12",
      "notes": "Every study record was checked against its PubMed entry (PMID, DOI, journal, date) via the NCBI E-utilities API on the last_verified date."
    },
    {
      "source_id": "quiverquant-hr5437",
      "title": "H.R. 5437: Protection of Lawful Commerce in Stone Slab Products Act, bill summary and actions",
      "publisher": "Quiver Quantitative",
      "url": "https://www.quiverquant.com/bills/119/hr-5437",
      "tier": 4,
      "type": "aggregator",
      "date": "2026",
      "accessed": "2026-09-12",
      "notes": "Aggregator mirroring congress.gov actions. Used only to read the action list; discovery-tier."
    },
    {
      "source_id": "safeworkaustralia-ban",
      "title": "Engineered stone ban",
      "publisher": "Safe Work Australia",
      "url": "https://www.safeworkaustralia.gov.au/safety-topic/hazards/silica/engineered-stone-ban",
      "tier": 1,
      "type": "agency",
      "date": "2024-07-01",
      "accessed": "2026-09-12",
      "notes": "WHS ministers agreed the ban on 13 Dec 2023; in force 1 July 2024; engineered stone defined as containing at least 1% crystalline silica."
    },
    {
      "source_id": "sd20-2025-10-14",
      "title": "Governor Newsom signs SB 20, the Silicosis Training, Outreach, and Prevention (STOP) Act",
      "publisher": "Office of Senator Caroline Menjivar",
      "url": "https://sd20.senate.ca.gov/news/governor-newsom-signs-sb-20-silicosis-training-outreach-and-prevention-stop-act",
      "tier": 1,
      "type": "government",
      "date": "2025-10-14",
      "accessed": "2026-09-12",
      "notes": ""
    },
    {
      "source_id": "stoneupdate-2024-08-13",
      "title": "L.A. Jury Finds $52.4 Million in Damages in Silicosis Case",
      "publisher": "Stone Update",
      "url": "https://stoneupdate.com/l-a-jury-finds-52-4-million-in-damages-in-silicosis-case/",
      "tier": 3,
      "type": "industry_press",
      "date": "2024-08-13",
      "accessed": "2026-09-12",
      "notes": "Stone-industry trade publication. Reports fault allocation and damages breakdown; company statements."
    },
    {
      "source_id": "stoneupdate-2026-05-04",
      "title": "Colorado Jury Awards Silicosis Victim $16.8 Million",
      "publisher": "Stone Update",
      "url": "https://stoneupdate.com/colorado-jury-awards-silicosis-victim-16-8-million/",
      "tier": 3,
      "type": "industry_press",
      "date": "2026-05-04",
      "accessed": "2026-09-12",
      "notes": "Industry trade press. Gives court, judge, fault allocation and Cambria's stated intention to appeal. Headline figure excludes the $600,000 consortium award."
    },
    {
      "source_id": "stoneupdate-2026-08-06",
      "title": "Calif. Jury Awards $47 Million in Silicosis Case",
      "publisher": "Stone Update",
      "url": "https://stoneupdate.com/calif-jury-awards-47-million-in-silicosis-case/",
      "tier": 3,
      "type": "industry_press",
      "date": "2026-08-06",
      "accessed": "2026-09-12",
      "notes": "Industry trade press. Gives case name, fault allocation and damages components."
    },
    {
      "source_id": "womble-2026-05",
      "title": "Colorado Jury Finds Cambria Not Negligent, Products Not Defective in Silicosis Case",
      "publisher": "Womble Bond Dickinson",
      "url": "https://www.womblebonddickinson.com/us/insights/press-release/colorado-jury-finds-cambria-not-negligent-products-not-defective-silicosis",
      "tier": 3,
      "type": "press_release",
      "date": "2026-05",
      "accessed": "2026-09-12",
      "notes": "Defense counsel (interested party). Not readable from this network (403); title only."
    },
    {
      "source_id": "workcompwire-2026-05",
      "title": "CA Standards Board Advances Efforts to Protect Workers from Silicosis",
      "publisher": "WorkCompWire (reprinting DIR release 2026-45)",
      "url": "https://www.workcompwire.com/2026/05/ca-standards-board-advances-efforts-to-protect-workers-from-silicosis/",
      "tier": 2,
      "type": "news",
      "date": "2026-05-27",
      "accessed": "2026-09-12",
      "notes": "Reprint of the Department of Industrial Relations news release. dir.ca.gov itself refuses connections from outside the US."
    }
  ]
}