{
  "dataset": {
    "name": "OSHA Hydraulic-Fluid Injection, Tissue-Penetration and Direct Jet-Injury Case Set",
    "short_name": "OSHA-HFI v1.0",
    "version": "1.0",
    "publisher": "Memphis Hydraulic Hose Repair Research",
    "publisher_identity": "Memphis Hydraulic Hose Repair Research is the independent research and reference section of memphishydraulichoserepair.com.",
    "created": "2026-07-29",
    "last_verified": "2026-07-29",
    "geographic_coverage": "United States",
    "temporal_coverage": "1991-02-26/2020-05-20",
    "source_agency": "U.S. Occupational Safety and Health Administration",
    "source_system": "OSHA IMIS Accident Investigation Search",
    "record_count": 25,
    "license_note": "The normalized coding and original summaries are supplied for factual research use. Each underlying OSHA record remains attributable to OSHA and is linked at record level.",
    "scope_warning": "This is a reproducible located-case set, not a census of U.S. hydraulic injuries and not an incidence-rate denominator."
  },
  "methodology": {
    "search_universe": [
      "OSHA Accident Investigation Search records returned by multiple hydraulic-fluid, hydraulic-line, injection, injected, puncture, leak, hose and related query combinations",
      "Candidate records found through related-record and title/narrative review"
    ],
    "inclusion_rule": "Include an official OSHA narrative only when it explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury.",
    "exclusion_rule": "Exclude records involving only splash/exposure without penetration, burns without injection, hose whip without fluid entry, crushing or dropped-load mechanisms, non-hydraulic injected substances, and ambiguous narratives that do not establish hydraulic-fluid tissue entry or direct jet tissue injury.",
    "deduplication": "Deduplicate by OSHA Accident Summary Number.",
    "coding_rule": "Code only facts stated in the OSHA narrative. Source silence is recorded as 'not stated,' not as 'no.'",
    "verification_tier": "★ means the OSHA accident-detail narrative was read directly and the row was manually classified.",
    "known_biases": [
      "OSHA accident narratives are not a complete national injury surveillance system.",
      "The search interface is query-dependent and candidate totals contain unrelated mechanisms.",
      "Severe and investigated workplace events are more likely to appear than minor or unreported events.",
      "The observed hospitalization share must not be generalized to all hydraulic injection injuries."
    ]
  },
  "summary_statistics": {
    "qualifying_records": 25,
    "temporal_coverage": {
      "start": "1991-02-26",
      "end": "2020-05-20"
    },
    "hand_or_digit_cases": {
      "count": 23,
      "denominator": 25,
      "percent": 92.0
    },
    "osha_hospitalized_injury_cases": {
      "count": 24,
      "denominator": 25,
      "percent": 96.0,
      "caveat": "This is a characteristic of the located OSHA narrative set and reflects reporting/selection bias; it is not a national hospitalization rate."
    },
    "maintenance_repair_inspection_leak_finding_testing_cases": {
      "count": 17,
      "denominator": 25,
      "percent": 68.0
    },
    "hose_line_tube_fitting_or_coupling_explicit": {
      "count": 20,
      "denominator": 25,
      "percent": 80.0
    },
    "records_stating_pressure": {
      "count": 7,
      "denominator": 25,
      "stated_range_psi": [
        1000,
        10000
      ],
      "values_psi": [
        1000,
        2000,
        2500,
        3000,
        3000,
        3300,
        10000
      ],
      "caveat": "Narratives state system, tool, or operating pressure; they do not necessarily measure pressure at the skin."
    },
    "infection_explicitly_documented": {
      "count": 4,
      "denominator": 25,
      "percent": 16.0,
      "caveat": "A blank or 'not stated' field does not mean infection did not occur."
    },
    "surgery_or_invasive_procedure_explicitly_documented": {
      "count": 6,
      "denominator": 25,
      "percent": 24.0,
      "caveat": "Only explicit narrative documentation was coded; silence was not coded as no."
    },
    "pinhole_or_fine_stream_explicit": {
      "count": 6,
      "denominator": 25,
      "percent": 24.0
    },
    "direct_jet_tissue_injury_without_explicit_injection": {
      "count": 1,
      "denominator": 25
    }
  },
  "records": [
    {
      "record_id": "170200299",
      "event_date": "1991-02-26",
      "establishment": "Rocklin, City, Public Works Dept.",
      "naics": "0",
      "equipment_context": "truck cab jack / hydraulic cylinder in 55-ton press",
      "release_point_class": "cylinder or component body",
      "release_point_detail": "hydraulic cylinder side",
      "failure_mode": "cylinder side split under press load",
      "worker_activity": "repair/testing",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No hydraulic-fluid pressure stated; press capacity stated as 55 tons.",
      "body_region": "left index and middle fingers",
      "hand_case": "yes",
      "mechanism_class": "direct high-pressure jet tissue injury",
      "injury_summary": "Jet removed skin and tissue from two fingers; bone exposed; skin grafts documented.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "yes",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "no",
      "fatality": "no",
      "report_title": "Employee's fingers injured by jet of hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=170200299",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "170170831",
      "event_date": "1991-05-12",
      "establishment": "Harwood Products",
      "naics": "0",
      "equipment_context": "Taylor forklift steering system",
      "release_point_class": "hose",
      "release_point_detail": "steering hose",
      "failure_mode": "hose ruptured while leak was being located",
      "worker_activity": "leak-finding/troubleshooting",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "2500",
      "pressure_note": "OSHA narrative states 2,500 psi system pressure and 3,000 psi hose maximum working pressure.",
      "body_region": "right thumb",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Pressurized hydraulic fluid struck the thumb; OSHA coded a puncture and hospitalization.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's thumb injured when sprayed by hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=170170831",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "741215",
      "event_date": "1994-01-24",
      "establishment": "LA City Water & Power",
      "naics": "0",
      "equipment_context": "self-propelled boom-type aerial platform",
      "release_point_class": "hose",
      "release_point_detail": "high-pressure hydraulic hose",
      "failure_mode": "hose began leaking during platform operation",
      "worker_activity": "equipment operation/responding to leak",
      "activity_group": "operation/production/other",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "left index finger",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Hydraulic fluid penetrated the index finger; complex puncture wound documented.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Puncture wound from leaking hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=741215",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "170812507",
      "event_date": "1995-03-27",
      "establishment": "Lumber Schooner",
      "naics": "0",
      "equipment_context": "Komatsu forklift control hydraulics",
      "release_point_class": "line/tube",
      "release_point_detail": "hydraulic control line",
      "failure_mode": "pinhole leak",
      "worker_activity": "repair/testing",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "thumb",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid entered the thumb when the mast control was actuated; hospitalization for drainage documented.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "yes",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's thumb injected with pressurized hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=170812507",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "170764609",
      "event_date": "1998-09-02",
      "establishment": "Redwood Empire Sawmill",
      "naics": "0",
      "equipment_context": "hydraulic pump/line",
      "release_point_class": "line/tube",
      "release_point_detail": "open hydraulic line",
      "failure_mode": "pressurized discharge from opened line",
      "worker_activity": "maintenance/repair",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "2000",
      "pressure_note": "OSHA narrative states approximately 2,000 psi.",
      "body_region": "hand",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Pressurized fluid punctured the hand and was forced into tissue.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's hand injected with hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=170764609",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "201165370",
      "event_date": "2003-09-16",
      "establishment": "Melroy Co Inc",
      "naics": "238990",
      "equipment_context": "hydraulic core drill motor",
      "release_point_class": "cylinder or component body",
      "release_point_detail": "motor body retaining ring/opening",
      "failure_mode": "retaining ring/blowout during setup or operation",
      "worker_activity": "equipment setup/operation",
      "activity_group": "operation/production/other",
      "pressure_psi": "1000",
      "pressure_note": "OSHA narrative states approximately 1,000 psi.",
      "body_region": "left index finger and hand",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Pressurized oil entered the index finger/hand; employee was treated and released.",
      "osha_degree": "Nonhospitalized injury",
      "hospitalized": "no",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "no",
      "fatality": "no",
      "report_title": "Employee receives high-pressure hydraulic injection injury",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=201165370",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "201116746",
      "event_date": "2003-09-20",
      "establishment": "United Rentals",
      "naics": "238990",
      "equipment_context": "material handler hydraulic system",
      "release_point_class": "hose",
      "release_point_detail": "hydraulic hoses",
      "failure_mode": "leak/release during troubleshooting",
      "worker_activity": "maintenance/troubleshooting",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "3000",
      "pressure_note": "OSHA narrative states approximately 3,000 psi.",
      "body_region": "left thumb",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid entered the thumb; infection, necrotic tissue and surgery were documented.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "yes",
      "infection_explicit": "yes",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's thumb injected with hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=201116746",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "201058203",
      "event_date": "2004-03-15",
      "establishment": "Todd Rutkin Inc",
      "naics": "541490",
      "equipment_context": "forklift hydraulic system",
      "release_point_class": "hose",
      "release_point_detail": "hydraulic hose",
      "failure_mode": "leak/release during troubleshooting",
      "worker_activity": "leak-finding with rag",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "right index finger",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid entered the index finger while a leaking hose was being checked.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's finger injected with hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=201058203",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "201176666",
      "event_date": "2005-02-03",
      "establishment": "Tetrad Services, Inc.",
      "naics": "238290",
      "equipment_context": "hydraulic torque wrench",
      "release_point_class": "fitting/coupling",
      "release_point_detail": "wrench fitting",
      "failure_mode": "fitting leak",
      "worker_activity": "repair/maintenance",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "10000",
      "pressure_note": "OSHA narrative describes a 10,000-psi hydraulic wrench.",
      "body_region": "left hand",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Jet penetrated a leather glove and entered the hand; surgery documented.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "yes",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's hand injected by leaking hydraulic fitting",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=201176666",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "201087293",
      "event_date": "2005-11-29",
      "establishment": "Miller & Company",
      "naics": "238190",
      "equipment_context": "hydraulic wall saw",
      "release_point_class": "hose",
      "release_point_detail": "hydraulic hose",
      "failure_mode": "pinhole leak",
      "worker_activity": "equipment operation/contact with hose",
      "activity_group": "operation/production/other",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "right foot",
      "hand_case": "no",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid penetrated the sole of a boot and entered the foot.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "yes",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's foot injected by hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=201087293",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "201087814",
      "event_date": "2006-05-04",
      "establishment": "Olivera Inc",
      "naics": "111998",
      "equipment_context": "hydraulic steel tubing/system",
      "release_point_class": "line/tube",
      "release_point_detail": "steel hydraulic tubing",
      "failure_mode": "fine-stream leak",
      "worker_activity": "leak-finding/inspection",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "left thumb",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fine stream penetrated the thumb; surgery and hospitalization documented.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "yes",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "yes",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's thumb injected by hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=201087814",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "201614724",
      "event_date": "2011-01-27",
      "establishment": "SP Newsprint Co LLC",
      "naics": "322122",
      "equipment_context": "industrial hydraulic system/sensor installation",
      "release_point_class": "hose",
      "release_point_detail": "hydraulic hoses/line",
      "failure_mode": "residual pressure release while loosening connections",
      "worker_activity": "sensor installation/maintenance",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "hand",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Residual pressure forced hydraulic fluid into the hand.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's hand injected with hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=201614724",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "202633962",
      "event_date": "2011-03-23",
      "establishment": "Cemex Inc - Redlands Plant",
      "naics": "327310",
      "equipment_context": "truck hydraulic system",
      "release_point_class": "unspecified hydraulic system",
      "release_point_detail": "hydraulic leak on truck",
      "failure_mode": "leak/release during investigation",
      "worker_activity": "leak investigation",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "hand",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid entered the hand while the worker investigated a truck leak.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "no",
      "fatality": "no",
      "report_title": "Employee's hand injected with hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=202633962",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "202686648",
      "event_date": "2012-12-10",
      "establishment": "Norwalk Industries L.P.",
      "naics": "423930",
      "equipment_context": "forklift hydraulic system",
      "release_point_class": "hose",
      "release_point_detail": "damaged rubber hydraulic hose",
      "failure_mode": "damaged hose leak",
      "worker_activity": "leak-finding/inspection",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "right middle finger",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid entered the finger; surgery and two-day hospitalization documented.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "yes",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's finger injected with hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=202686648",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "202715553",
      "event_date": "2013-04-26",
      "establishment": "Inland Bobcat, Inc.",
      "naics": "238990",
      "equipment_context": "Bobcat auxiliary hydraulics",
      "release_point_class": "hose",
      "release_point_detail": "rubber hydraulic hose",
      "failure_mode": "hose burst",
      "worker_activity": "leak-finding/inspection",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "3300",
      "pressure_note": "OSHA narrative states 3,300 psi.",
      "body_region": "left ring finger",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Burst hose injected the finger; infection and seven-day hospitalization documented.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "yes",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's finger injected when hydraulic hose bursts",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=202715553",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "96922.015",
      "event_date": "2017-04-04",
      "establishment": "Cac Farms",
      "naics": "111940",
      "equipment_context": "farm equipment hydraulic connection",
      "release_point_class": "hose",
      "release_point_detail": "hydraulic hose",
      "failure_mode": "overpressured hose burst",
      "worker_activity": "disconnecting hoses after field work",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "hand",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Burst hose caused a high-pressure injection wound to the hand.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's hand injured by escaping high-pressure hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=96922.015",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "103388.015",
      "event_date": "2017-09-26",
      "establishment": "Portland Container Repair Corporation",
      "naics": "811310",
      "equipment_context": "Terex reach stacker hydraulic valve",
      "release_point_class": "line/tube",
      "release_point_detail": "hydraulic line at valve",
      "failure_mode": "line blew off while connection was loosened",
      "worker_activity": "valve replacement/repair",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "base of thumb",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Line release forced fluid into the base of the thumb; overnight hospitalization documented.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee injected with hydraulic fluid while replacing valve",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=103388.015",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "106048.015",
      "event_date": "2018-05-21",
      "establishment": "Cargill Meat Solutions",
      "naics": "311611",
      "equipment_context": "industrial hydraulic line",
      "release_point_class": "line/tube",
      "release_point_detail": "hydraulic line",
      "failure_mode": "pressurized leak",
      "worker_activity": "leak-finding with paper towel",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "palm",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid penetrated the palm when a coworker actuated the equipment.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee struck by pressurized hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=106048.015",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "111984.015",
      "event_date": "2018-07-24",
      "establishment": "Amb Ranch Management, Inc.",
      "naics": "115116",
      "equipment_context": "tractor hydraulic system",
      "release_point_class": "line/tube",
      "release_point_detail": "hydraulic line",
      "failure_mode": "pinhole leak",
      "worker_activity": "tractor operation/contact with leaking line",
      "activity_group": "operation/production/other",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "hand",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid entered the hand through a pinhole leak and was surgically removed.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "yes",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "yes",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee forcibly injects hydraulic fluid into hand",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=111984.015",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "119984.015",
      "event_date": "2019-02-21",
      "establishment": "Dynacast, LLC",
      "naics": "331313",
      "equipment_context": "hydraulic press",
      "release_point_class": "unspecified hydraulic system",
      "release_point_detail": "press hydraulic system",
      "failure_mode": "hot pressurized fluid release",
      "worker_activity": "press operation",
      "activity_group": "operation/production/other",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "thumb",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Hot pressurized hydraulic fluid punctured the thumb.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "no",
      "fatality": "no",
      "report_title": "Employee's thumb punctured by hot hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=119984.015",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "116193.015",
      "event_date": "2019-05-02",
      "establishment": "Valet Living, LLC",
      "naics": "561720",
      "equipment_context": "trash compactor hydraulic system",
      "release_point_class": "line/tube",
      "release_point_detail": "hydraulic line",
      "failure_mode": "pinhole leak",
      "worker_activity": "leak-finding/inspection",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "right thumb",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid entered the thumb through a pinhole leak; infection documented.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "yes",
      "pinhole_or_fine_stream_explicit": "yes",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's thumb injected by hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=116193.015",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "117790.015",
      "event_date": "2019-07-08",
      "establishment": "Wanzek Construction",
      "naics": "237990",
      "equipment_context": "hydraulic crimping work",
      "release_point_class": "hose",
      "release_point_detail": "hydraulic hose",
      "failure_mode": "pinhole leak",
      "worker_activity": "equipment operation/crimping",
      "activity_group": "operation/production/other",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "back",
      "hand_case": "no",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid entered the worker's back through a hose pinhole.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "yes",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee injected by hydraulic fluid from pinhole hose",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=117790.015",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "120339.015",
      "event_date": "2019-09-24",
      "establishment": "Mobile Track Solutions",
      "naics": "333120",
      "equipment_context": "hose tension kit",
      "release_point_class": "fitting/coupling",
      "release_point_detail": "hose coupling/O-ring",
      "failure_mode": "loose coupling or O-ring release during final test",
      "worker_activity": "testing/commissioning",
      "activity_group": "maintenance/repair/inspection/leak-finding/testing",
      "pressure_psi": "3000",
      "pressure_note": "OSHA narrative states 3,000 psi.",
      "body_region": "web between thumb and index finger",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Fluid entered the thumb web during a pressure test.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee injected with hydraulic fluid during test",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=120339.015",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "129308.015",
      "event_date": "2020-04-14",
      "establishment": "Outsource Utility Contractor Corp",
      "naics": "238210",
      "equipment_context": "utility work / hydraulic line cut by saw",
      "release_point_class": "line/tube",
      "release_point_detail": "hydraulic line",
      "failure_mode": "line cut and ruptured",
      "worker_activity": "utility work/attempted leak control",
      "activity_group": "operation/production/other",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "right hand",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Worker grabbed a ruptured line after it was cut; fluid entered the hand.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "not stated",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "yes",
      "fatality": "no",
      "report_title": "Employee's hand injected by hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=129308.015",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    },
    {
      "record_id": "126352.015",
      "event_date": "2020-05-20",
      "establishment": "Burndy LLC",
      "naics": "334417",
      "equipment_context": "pressurized hydraulic hand tool",
      "release_point_class": "seal",
      "release_point_detail": "hand-tool seal",
      "failure_mode": "seal leak",
      "worker_activity": "tool operation",
      "activity_group": "operation/production/other",
      "pressure_psi": "",
      "pressure_note": "No pressure stated.",
      "body_region": "finger",
      "hand_case": "yes",
      "mechanism_class": "fluid injection/penetration",
      "injury_summary": "Pressurized fluid lacerated the finger; fluid in the finger caused infection.",
      "osha_degree": "Hospitalized injury",
      "hospitalized": "yes",
      "surgery_or_procedure_explicit": "not stated",
      "infection_explicit": "yes",
      "pinhole_or_fine_stream_explicit": "no",
      "conduit_or_connection_explicit": "no",
      "fatality": "no",
      "report_title": "Employee's finger lacerated by hydraulic fluid",
      "source_agency": "U.S. Occupational Safety and Health Administration",
      "source_url": "https://www.osha.gov/ords/imis/accidentsearch.accident_detail?id=126352.015",
      "verified_on": "2026-07-29",
      "verification_grade": "★ Direct OSHA narrative reviewed",
      "inclusion_reason": "Official OSHA narrative explicitly documents hydraulic fluid entering or penetrating tissue, or a direct high-pressure hydraulic-fluid jet causing tissue injury."
    }
  ]
}