What the New OSHA Initiative on Silica Dust Exposure Means for Stone Fabrication Industries

stone fabricator

Silica dust exposure has long been recognized as a significant health hazard, especially in industries dealing with stone fabrication and installation. The U.S. Department of Labor (DOL) and Occupational Safety and Health Administration (OSHA) have recently intensified efforts to mitigate the risks associated with silica exposure, particularly in the engineered stone industry. This article explores the new OSHA initiative and what it means for the stone fabricators and their industry.

The Perils of Silica Exposure

Silica dust, a seemingly inconspicuous substance, has dangerous truths. When inhaled, these minuscule particles can lead to severe health conditions such as silicosis, lung cancer, and COPD, fundamentally altering the lives of those exposed.


Silicosis emerges often after 15-20 years of occupational exposure to respirable crystalline silica. It's a condition where the inhaled silica particles induce the formation of scar tissue within the lungs, impeding their ability to intake oxygen. The absence of a cure amplifies the severity of a silicosis diagnosis.

Lung Cancer

Respirable crystalline silica exposure directly links to lung cancer. Lung cancer proliferates abnormal cells that form tumors and can spread to other parts of the body. Most lung cancer cases are resistant to cure, significantly impacting patients and their families.

Chronic Obstructive Pulmonary Disease (COPD)

COPD, encompassing conditions like emphysema and chronic bronchitis, is another formidable adversary linked to silica dust exposure. The primary symptom, shortness of breath, stems from difficulties in inhaling air into the lungs. The condition is typically irreversible and tends to progressively deteriorate over time.

Kidney Disease

The impact of silica doesn’t confine itself to the respiratory system. Studies have shown an alarming connection between silica exposure and kidney disease. Workers exposed to high silica levels, such as abrasive blasters, have manifested kidney failure, particularly when concurrently battling silicosis.

OSHA’s New Initiative: A Closer Look

In the face of the severe and often irreversible consequences of silica dust exposure, OSHA has taken a pivotal step forward with a new initiative, launched in September 2023, to fortify enforcement and compliance in the engineered stone fabrication and installation industries. This initiative not only supplements the OSHA silica standard and the National Emphasis Program for Respirable Crystalline Silica but also casts a spotlight on the urgent need for stringent adherence to safety standards and the provision of essential protections for workers. These are the core components of the initiative:

  • Prioritizing Inspections: OSHA has established meticulous procedures to prioritize inspections, ensuring that hazards are identified and abated promptly in industries where workers are exposed to elevated silica dust levels.
  • Targeting Specific Industries: The initiative zeroes in on industries engaged in Cut Stone and Stone Product Manufacturing, as well as Brick, Stone, and Related Construction Material Merchant Wholesalers, subjecting them to prioritized programmed inspections.
  • Providing Resources: OSHA is disseminating vital resources, including fact sheets on dust control methods and safer work practices for engineered stone manufacturing, finishing, and installation operations, to employers, stone fabricators, and other stakeholders affected by this initiative.

A Response to a Pressing Workplace Danger

The urgency of this initiative is underscored by the poignant stories of workers, such as a 27-year-old in California, who, after being rushed to the emergency room with shortness of breath in 2022, was diagnosed with silicosis. Now reliant on an oxygen tank, he faces not only a personal health crisis but also a financial one, unable to provide for his wife and three young children. His story is a stark reminder of the tangible, devastating impact of silica exposure on workers and their families.

Moreover, a July 2023 study by the American Medical Association, titled "Silicosis Among Immigrant Engineered Stone Countertop Fabrication Workers in California," cited 52 male patients diagnosed with silicosis due to occupational exposure to respirable silica dust from engineered stone. Among these patients, 20 suffered from progressive massive fibrosis, 11 required lung transplants, and 10 succumbed to their exposures, highlighting the dire need for enhanced safety measures in these industries.

Implications for the Stone Fabrication Industry

stone fabrication worker

The new OSHA silica standard initiative has significant implications for the stone fabrication industry, particularly those involved in the manufacturing, finishing, and installation of natural and manufactured stone, including engineered, artificial, or cultured types. The initiative is a structured approach to safeguarding workers from the detrimental health impacts of silica dust exposure.

Adherence to Safety Standards

Employers in the stone fabrication industry are now tasked with a non-negotiable commitment to strictly adhere to all safety standards related to silica dust exposure. This adherence is not limited to the implementation of safety protocols but extends to ensuring that these protocols are consistently followed and updated in alignment with OSHA silica standard, guidelines, and recommendations.

Implementing Dust Control Methods

The initiative underscores the necessity for employers to proactively implement dust control methods and adopt safer work practices as recommended by OSHA. This involves making sure that they are effectively reducing silica dust levels within the workplace. Employers must engage in regular assessments and, where necessary, enhance dust control methods to ensure the ongoing safety of stone fabricators and other workers.

Educating and Training Stone Fabricators

Empowering workers through education and training regarding the risks of silica exposure and the protective measures to be adopted is critical. This should be an ongoing process that ensures all workers, including new hires, are adequately informed and continuously reminded of the risks and safety practices related to silica dust exposure.

Additional Considerations for Employers

  • Prioritized Programmed Inspections: Some industries are subject to prioritized programmed inspections, necessitating employers in these sectors to be especially diligent in maintaining compliance.
  • Outreach Efforts: OSHA’s outreach efforts will encompass additional industries that work with engineered stone, indicating that employers in related sectors should also be vigilant and proactive in adhering to guidelines and recommendations.
  • Addressing the Severity of Silica Dust Exposure: Employers must acknowledge and address the severity of silica dust exposure, which has been highlighted by numerous cases of workers developing severe health conditions, such as silicosis, and even losing their lives.
  • Engaging with Available Resources: Employers should actively engage with resources provided by OSHA, including fact sheets on dust control methods and safer work practices for engineered stone manufacturing, finishing, and installation operations, ensuring that they are leveraging all available information to safeguard their workers.

In light of the new initiative, employers in the stone fabrication industry must navigate through the multifaceted implications, ensuring that they are not only in compliance with OSHA’s guidelines but are also actively engaged in safeguarding the health and well-being of their workers.


1. What is the permissible exposure limit for respirable crystalline silica?

The Occupational Safety and Health Administration (OSHA) has established the permissible exposure limit (PEL) for respirable crystalline silica at 50 micrograms per cubic meter of air, averaged over an 8-hour shift. This OSHA silica standard is applicable to industries and operations where workers may be exposed to respirable crystalline silica, and it is designed to protect workers from the adverse health effects of silica exposure.

2. What happens if you breathe in small amounts of silica dust?

Even breathing in small amounts of silica dust can be harmful over time. When inhaled, the tiny particles of silica can penetrate deep into the lungs and become embedded in the lung tissue. Over time, this can lead to the development of silicosis, a debilitating lung disease characterized by inflammation and scarring of the lung tissue, which reduces the lungs' ability to extract oxygen from the air.

3. How much silica dust exposure is harmful?

Any level of silica exposure carries some risk, and the severity of the risk is generally related to the duration and level of exposure. The OSHA permissible exposure limit is set at 50 micrograms per cubic meter of air over an 8-hour workday. However, even exposures below this level, especially over long periods, can be harmful. It's crucial to minimize exposure to silica dust as much as possible to protect worker health.

4. What is the OSHA fine for silica dust?

OSHA fines for non-compliance with silica exposure regulations can vary significantly depending on the nature and severity of the violation. It's worth noting that fines can be assessed for each individual violation, so non-compliance in multiple areas can result in substantial financial penalties.

5. What is OSHA regulation for silica?

OSHA silica standard or regulation is outlined in the standards 29 CFR 1910.1053 for general industry and 29 CFR 1926.1153 for construction. These standards establish the permissible exposure limit, requirements for exposure assessment, methods for controlling exposure, respiratory protection, medical surveillance, hazard communication, and recordkeeping. The regulations are designed to protect workers from exposure to respirable crystalline silica and reduce their risk of developing silica-related diseases.

The material provided in this article is for general information purposes only. It is not intended to replace professional/legal advice or substitute government regulations, industry standards, or other requirements specific to any business/activity. While we made sure to provide accurate and reliable information, we make no representation that the details or sources are up-to-date, complete or remain available. Readers should consult with an industrial safety expert, qualified professional, or attorney for any specific concerns and questions.


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Author: Herbert Post

Born in the Philadelphia area and raised in Houston by a family who was predominately employed in heavy manufacturing. Herb took a liking to factory processes and later safety compliance where he has spent the last 13 years facilitating best practices and teaching updated regulations. He is married with two children and a St Bernard named Jose. Herb is a self-described compliance geek. When he isn’t studying safety reports and regulatory interpretations he enjoys racquetball and watching his favorite football team, the Dallas Cowboys.