First, Melvin W.

Melvin W. First (1914–2010) was an American industrial hygienist and Harvard School of Public Health professor whose research on airborne particulates, ventilation, and asbestos dust control helped shape modern occupational exposure standards. He published widely on aerosol measurement, filtration, and the assessment of dust concentrations in workplaces where asbestos and other hazardous materials were used.

Origin

First spent most of his career at the Harvard School of Public Health, where he served as Professor of Environmental Health Engineering beginning in the 1950s and continued research into the 2000s. He authored hundreds of papers on industrial hygiene topics, including studies relevant to historical asbestos exposure levels and the engineering controls available to industry during the twentieth century.

Significance in Asbestos Context

First's research is frequently cited in asbestos litigation because it documents what was scientifically known, and technologically achievable, regarding dust control during the decades when patients were being exposed. His work supports the conclusion that industry had access to measurement techniques and engineering controls (ventilation, wetting, enclosure) long before many companies adopted them. For patients, this matters because expert witnesses on both sides may reference First's publications when explaining whether a defendant should have known about, and acted on, the hazards of airborne asbestos at the time of exposure.

Example Sentence

The plaintiff's industrial hygiene expert cited Melvin First's mid-century work on dust suppression to show that the shipyard had feasible options to reduce asbestos exposure decades before it did so.

Related Terms

Industrial Hygiene, Threshold Limit Value (TLV), State of the Art, Dust Counts, Engineering Controls, Occupational Exposure Limit

Notes

• If your case involves workplace exposure, ask your legal team whether industrial hygiene literature from First's era is being used to establish what your employer or product manufacturers knew about dust control.
• Preserve any old workplace documents (exposure surveys, ventilation reports, dust count records) because they can be compared against the standards and methods First and his contemporaries published.
• Industrial hygiene history is typically presented through expert witnesses; ask whether your case has retained an industrial hygienist who can speak to the feasibility of controls during your exposure years.