About Purina Mills Richmond Missouri

Corporate Background

Ralston Purina was founded in St. Louis in 1894 and grew into one of North America’s largest animal nutrition companies, operating multiple Missouri facilities at its peak. Key corporate transitions that affect where liability attaches today:

  • 1986: Ralston Purina spun off its agricultural division through a leveraged buyout
  • 1999: Purina Mills, Inc. filed for bankruptcy
  • Present: Land O’Lakes acquired the facility and brand assets

Each of those transitions shifts legal liability to a different entity. An experienced asbestos attorney Missouri traces exposure history through every corporate successor to identify all potentially responsible parties—not just the most obvious ones. Regional context: Workers at Monsanto Chemical (Sauget, IL/St. Louis, MO), Granite City Steel/U.S. Steel (Granite City, IL), Laclede Steel (Alton, IL), and regional power plants were allegedly exposed to the same asbestos-containing materials during the same operational period under comparable conditions. —

Industrial Infrastructure and Asbestos-Containing Materials

**Boiler Systems and Steam Distribution The Richmond plant’s steam infrastructure allegedly included:

  • Industrial boilers and miles of insulated distribution piping covered with calcium silicate insulation , pipe covering, pipe and block insulation , pipe covering (Carey Manufacturing), pipe insulation , block insulation, and Pabco ( Corporation)
  • Flanges, valves, and fittings sealed with gaskets and packing asbestos gaskets and asbestos packing
  • Systems comparable in scope to Labadie Energy Center, Portage des Sioux Power Plant, Rush Island Energy Center, and Sioux Energy Center

**Process Equipment

  • Dryers and kilns for feed pelleting and drying, insulated with refractory materials from, Refractories**, refractory productsRefractories, and **General Refractories Company
  • Grinding and milling equipment managing heat through asbestos-insulated piping
  • Conveyors and elevators with asbestos-containing thermal insulation and lubricant seals

**Electrical Systems

  • Switchgear and control panels containing Square D Company asbestos arc chutes
  • Asbestos-insulated components from General Electric Company and **Westinghouse Electric CorporationMaintenance Infrastructure
  • Shop areas where workers regularly handled asbestos gasket materials, insulation products, and refractory cements from, gaskets and packing, and

General Equipment at Purina Mills Richmond Missouri

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.

Recovery Boilers View crosswalk › Power Boilers View crosswalk › Digesters View crosswalk › Dryer Felts View crosswalk › Steam Traps View crosswalk › Pipe Insulation View crosswalk › Pulp Lines View crosswalk › Lime Kilns View crosswalk ›

Documented Asbestos Evidence

The records below are verified, state-documented asbestos removals at this facility. Each entry represents a regulated abatement project where the Missouri Department of Natural Resources (Missouri 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 Missouri 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:

Thermal System Insulation View crosswalk › Asbestos-Cement Board View crosswalk › Pipe Insulation View crosswalk › Roofing & Flashing View crosswalk › Spray Fireproofing View crosswalk › Floor Tile & Mastic View crosswalk › Ceiling Tile View crosswalk › Gaskets & Packing View crosswalk ›

Critical Filing Deadline & Next Steps

Missouri law gives mesothelioma and asbestos-disease claimants 5 years from the date of medical diagnosis to file a personal-injury lawsuit (Mo. Rev. Stat. § 516.120). For wrongful-death claims after an asbestos-related death, the filing window is 3 years from the date of death (Mo. Rev. Stat. § 537.100). The two deadlines run on separate tracks — preserving one does not extend the other.

The personal-injury clock runs from diagnosis, not from exposure. Mesothelioma latency is typically 20 to 50 years, so workers exposed in the 1950s–1980s are being diagnosed today.

Practical first steps

  1. Document what you remember. Pay stubs, W-2s, union cards, photographs, coworker names, and dates of employment. The WorkChain widget on this page can save a copy you can email yourself.
  2. Preserve medical records. Pathology reports, biopsy results, imaging, and pulmonary-function tests are central to both civil claims and trust-fund filings.
  3. Identify household members. Spouses who laundered work clothing and children of plant workers are eligible for secondary-exposure claims when diagnosed with an asbestos-related disease.
  4. Speak with an asbestos attorney with Missouri experience. The first conversation is free and confidential. Asbestos trust-fund claims and civil claims run on different tracks — both can be pursued in parallel.

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:

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.