As a laser cleaning operator working on chromium-containing alloys like stainless steel, what personal protective equipment (PPE) should I use to minimize Cr(VI) exposure risks?

Question

Accepted Answer

Always wear a NIOSH-approved respirator with a P100 filter or supplied-air system to protect against inhaling Cr(VI) fumes or aerosols generated during laser ablation, as Cr(VI) is a potent carcinogen that can cause lung cancer via respiratory exposure. In addition, use chemical-resistant gloves, full-body coveralls, and safety goggles to prevent skin contact, which can lead to dermatitis or ulceration, and ensure the workspace has local exhaust ventilation to capture airborne particles. Regularly inspect and replace PPE, and follow OSHA's permissible exposure limit of 5 µg/m³ for Cr(VI) over an 8-hour shift to stay within safe thresholds.

Hexavalent Chromium Compound

Chemical Properties

Chemical Identity

Health Effects

Source Contaminants

Chromium Oxide Pitting

Steel Surface Corrosion

Paint Residue / Coating Failure Laser Cleaning

Chemical Conversion Coating

Source Materials

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