You worked at Boone County Hospital — as a boilermaker, pipefitter, insulator, electrician, HVAC mechanic, or maintenance hand — sometime between the 1930s and early 1980s. That work may have exposed you to asbestos-containing materials on a daily basis.
Mesothelioma takes 20 to 50 years to appear after first exposure. A diagnosis today traces directly to work you performed decades ago.
Under Iowa Code § 614.1(2), you have two years from your diagnosis date to file a claim. Not two years from when symptoms appeared. Not two years from when you identified the products. Two years from diagnosis — and that clock is already running. Every day you delay is a day you cannot recover. Call an asbestos attorney before that window closes permanently.
General Equipment at Asbestos Exposure at Boone County Hospital — Boone, Iowa: Information for Workers and Tradesmen
The equipment below represents the systems and infrastructure documented or typically present at this facility during the era when asbestos-containing materials were specified in industrial construction. This is general facility-equipment reference — not a legal attribution of any specific product, manufacturer, or exposure event to this facility. Material-category and manufacturer information is addressed in the AsbestosIndex Product Crosswalk linked under the records table below.
Documented Asbestos Evidence
The records below are verified, state-documented asbestos removals at this facility. Each entry represents a regulated abatement project where the Iowa Department of Natural Resources (Iowa DNR) was notified under federal NESHAP rules, the work was logged, and the asbestos-containing material was confirmed and removed under regulated conditions. These are not allegations or estimates — they are paper records tying documented asbestos-containing material to this specific site.
No Iowa DNR NESHAP abatement notifications have been identified for this facility in current public records. Per the framing above, absence of state-agency documentation should not be read as absence of asbestos — only as absence of a formal, regulated abatement event meeting reporting thresholds. Workers who recall encountering pipe insulation, block insulation, gaskets, or other asbestos-era construction materials at this facility may still have viable claims regardless of whether a state record exists.
Material Categories in Documented Records
The materials documented above (and similar asbestos-containing materials commonly encountered in records of this type) appear in the AsbestosIndex catalog with historical manufacturer and trust-fund information. Click a category to view manufacturers historically associated with that material:
Who May Have Been Exposed at Asbestos Exposure at Boone County Hospital — Boone, Iowa: Information for Workers and Tradesmen
Boilermakers
Boilermakers installed, repaired, and rebuilt boilers at the center of this facility’s mechanical plant — potentially, Cleaver-Brooks, or equipment. That work required scraping and reapplying block insulation and cement that may have contained asbestos, often in confined boiler rooms with no ventilation. Iowa boilermakers working in this region may have belonged to Boilermakers Local 83, which reportedly represented members across central Iowa industrial and institutional facilities, including hospitals, power plants, and manufacturing sites throughout the Des Moines and Boone County area.
Pipefitters and Steamfitters
Pipefitters cut, fitted, and connected steam distribution lines reportedly wrapped in Thermobestos** and similar asbestos-containing pipe covering. They disturbed that insulation every time they made a connection, repaired a leak, or rerouted a line — working in confined pipe chases and tunnels where disturbed fibers had nowhere to go but into their lungs. They also handled asbestos-containing gaskets and packing materials from and gaskets and packing by hand. Iowa pipefitters working in the Boone and central Iowa region may have belonged to Pipefitters Local 33, which reportedly dispatched members to hospitals, industrial plants, and institutional facilities throughout the area, including worksites in Polk County and surrounding counties.
Heat and Frost Insulators
No trade in the building reportedly touched more asbestos-containing product than the insulators. They mixed, troweled, and applied insulating cement by hand. They cut pre-formed pipe covering with saws and knives. They allegedly sprayed fireproofing compounds — potentially including spray-applied fireproofing** — without modern containment or respiratory protection. Iowa insulators working in this region may have belonged to Asbestos Workers Local 12, the Iowa local that reportedly represented heat and frost insulators dispatched to hospital, industrial, and commercial projects throughout central Iowa, including work at facilities in Polk, Story, Boone, and surrounding counties.
HVAC Mechanics and Air Conditioning Technicians
HVAC mechanics installed and serviced air handling equipment with reportedly asbestos-lined interiors. They cut into ductwork reportedly insulated with, ceiling tile, or materials. They worked in duct shafts and plenum spaces where disturbed fibers accumulated without dissipating. They handled asbestos-containing sealants and adhesives at every joint and penetration. In Iowa, HVAC mechanics at institutional facilities of this type frequently worked alongside insulators and pipefitters dispatched from the same union halls, creating overlapping bystander exposure across multiple trades — a well-documented pattern in central Iowa asbestos litigation.
Electricians
Electricians ran conduit through pipe chases reportedly insulated with asbestos-containing products. They cut through transite board — asbestos-cement panels from — to seat outlet boxes and panel enclosures. They worked above suspended ceilings that may have contained asbestos tiles from and ceiling tile. That cutting and drilling may have generated clouds of asbestos dust at face level throughout the course of routine electrical work. Iowa electricians working at Boone County Hospital and similar central Iowa institutional facilities may have belonged to IBEW Local 347, which reportedly represented electrical workers dispatched to hospitals, industrial plants, and commercial construction throughout central Iowa.
Maintenance Workers, Stationary Engineers, and Facility Staff
Maintenance workers and stationary engineers employed directly by Boone County Hospital performed ongoing repairs to boiler, steam, HVAC, and electrical systems over years and decades of continuous employment. They may have worked with materials from, Armstrong, and without asbestos training or respiratory protection. Their exposure was potentially chronic — day after day, year after year — which toxicological evidence links to higher cumulative fiber dose than short-term trade work. Unlike union tradesmen who rotated between multiple jobsites, hospital maintenance employees and stationary engineers allegedly remained in the same mechanical spaces indefinitely, compounding fiber dose over entire careers. That prolonged, repeated exposure pattern is precisely what plaintiffs’ attorneys document when building an Iowa mesothelioma claim — and it is the kind of work history that has supported substantial recoveries in asbestos trust fund and civil litigation throughout Iowa.
⚠️ Critical Filing Deadline
Iowa law gives mesothelioma and asbestos-disease victims 2 years from the date of medical diagnosis to file a personal injury lawsuit (Iowa Code § 614.1(2A)). For wrongful death claims after an asbestos-related death, the filing window is 2 years from the date of death (Iowa Code § 614.1(2)). Miss either deadline by a single day and the right to file is permanently gone. No exceptions, no extensions.
About the two deadlines: Iowa keeps the personal-injury clock (Iowa Code § 614.1(2A)) and the wrongful-death clock (Iowa Code § 614.1(2)) on separate tracks. The 2 years personal-injury deadline runs from the date of diagnosis and applies to the diagnosed person's own claim while they are alive. The 2 years wrongful-death deadline runs from the date of death and applies to surviving family members. The two are independent — preserving one does not extend the other, and an asbestos attorney with experience in Iowa can keep both options open as the situation evolves.
The personal-injury clock runs from the date of medical diagnosis — not from the date of asbestos exposure. Mesothelioma can take 20 to 50 years to develop after exposure. Many workers are only now receiving diagnoses from exposures that occurred decades ago.
Treat the 2 years deadline as a hard outer limit, not a planning horizon.
⚠️ Why You Must Act Now
Iowa's filing window may sound like ample time. It is not. Every month that passes after a mesothelioma diagnosis is a month in which your case gets harder to build and your options narrow.
Witnesses Become Harder to Reach
The tradespeople who worked alongside mesothelioma victims at facilities of this era are now in their 70s and 80s. Witnesses from many years ago are harder and harder to contact by the day — coworkers who can testify about which asbestos-containing materials were used, who supplied them, and how the work was done are increasingly difficult to locate. Once first-hand testimony becomes unavailable, that record is gone.
Records Disappear
Employment records, union records, purchasing records, and product invoices that document exactly which asbestos-containing materials were used at this facility are being lost every year. Plants close. Corporate owners change. Storage facilities are cleared. Records that existed five years ago may not exist today.
Mesothelioma Cases Are Complex to Build
Identifying every responsible manufacturer and every jobsite across a tradesperson's career requires intensive investigation by experienced toxic-tort counsel. A case against the manufacturers who supplied asbestos-containing materials to this facility may involve dozens of defendants. That investigation takes time that waiting families do not have.
Asbestos Trust Fund Claims Run on a Separate Track
More than 60 asbestos bankruptcy trusts exist to compensate victims whose exposures came from manufacturers that have since gone bankrupt — including the Manville Personal Injury Settlement Trust, established after the 1982 Johns-Manville bankruptcy. Each trust has its own claim forms, exposure criteria, documentation requirements, and processing timelines. Pursuing trust-fund compensation in parallel with a lawsuit takes months. The trust-fund process should start now, not after you decide whether to file suit.
What To Do Next
If you or a family member has been diagnosed with mesothelioma, asbestosis, or another asbestos-related disease — and you worked at this facility, lived with someone who did, or worked at neighboring industrial sites in the corridor — the practical next steps are:
- Speak with an asbestos attorney with experience in Iowa. The first conversation is free, confidential, and creates no obligation. An experienced attorney will help you understand which trust-fund claims may apply, which civil claims are viable, and what documentation you should start gathering.
- Gather what you can about your work history. Pay stubs, W-2s, union cards, photographs, names of coworkers, and dates of employment all become important evidence. The WorkChain widget on this page can help you organize and email yourself a copy of your facility list.
- Preserve your medical records. Pathology reports, biopsy results, imaging, and pulmonary-function tests all become part of the legal record. Ask your treating physicians for full copies of everything in your chart.
- Identify household members who may also have been exposed. Spouses who laundered work clothing and children who hugged a parent returning from the plant are eligible for secondary-exposure claims when they have been diagnosed with an asbestos-related disease.
- Act before the filing deadline runs. Iowa's statute of limitations is a hard outer limit. Even if you are still in the middle of treatment decisions, beginning the legal process early preserves your options.
Get a free case evaluation from an asbestos attorney with experience in Iowa →
Asbestos-Related Diseases
Asbestos fiber exposure can cause several specific diseases that typically appear decades after the original exposure. The latency period — the gap between exposure and diagnosis — usually runs 20 to 50 years. That's why workers exposed in the 1960s, 1970s, and 1980s are receiving diagnoses today.
Mesothelioma
A rare, aggressive cancer that affects the lining of the lungs (pleural mesothelioma), abdomen (peritoneal), or heart (pericardial). Mesothelioma is almost exclusively caused by asbestos exposure, which is why a mesothelioma diagnosis often points directly to historical workplace exposure. Average latency from first exposure to diagnosis is 30-50 years.
Asbestosis
A chronic, non-cancerous scarring of lung tissue caused by inhaled asbestos fibers. Asbestosis causes progressive shortness of breath, persistent cough, and reduced lung function. It does not improve with treatment, and it is a recognized basis for compensation under most trust schedules and civil claims.
Lung Cancer
Asbestos exposure significantly increases the risk of lung cancer, particularly when combined with a history of smoking. Asbestos-related lung cancer is compensable under the same trust schedules and civil claim avenues as mesothelioma.
Other Recognized Diseases
Pleural plaques, pleural thickening, laryngeal cancer, ovarian cancer, and certain gastrointestinal cancers are also recognized as asbestos-related under various trust schedules and case-law authorities, though eligibility and proof requirements vary by claim type.
If you have any of these diagnoses and you worked at this facility, lived with someone who did, or were exposed in any documented capacity, you may have a claim worth pursuing. Speak with an attorney before assuming you don't qualify.
Data Sources
Information about facility equipment, industrial materials, and occupational records referenced on this page is drawn from publicly available sources where applicable, including:
- EPA ECHO Facility Compliance Database — enforcement and compliance records for industrial facilities
- OSHA Establishment Search — federal workplace inspection history
- EIA Form 860 Plant Data — power-plant equipment and ownership records (where applicable)
- Iowa Department of Natural Resources NESHAP asbestos abatement notification records
- Published asbestos trial and trust fund records (publicly filed court documents)
- AsbestosIndex Product & Manufacturer Crosswalk — historical asbestos-containing product schedules linked to manufacturers
If specific equipment or product claims in this article are sourced from a non-public database, the source is identified parenthetically within the text above.