title = "Chemical Hazards in Metalworking Operations"

content = """
Metal manufacturing involves a wide array of chemicals at various stages of production, from process
lubricants and cutting fluids to heat treatment salts and surface finishing chemicals. Understanding
the hazards associated with each chemical category is essential for worker health protection.

Cutting Fluids and Metalworking Fluids (MWFs):
MWFs are used extensively in the machining center as coolants and lubricants. They can be water-soluble
emulsions, semi-synthetic, or straight oils. Hazards include: dermatitis from prolonged skin contact,
respiratory sensitization from fine mist inhalation (particularly from high-speed machining), and
potential exposure to biocides and tramp oils that accumulate in sumps. MWF concentration must be
monitored and maintained within the manufacturer's recommended range using a refractometer.

Quench Oils and Quench Polymers:
Oil quench systems in Bay D operate at elevated temperatures that can produce oil mist and thermal
decomposition products. Direct quench of hot parts generates a steam flash; operators must use
appropriate face shields and stand clear of the quench zone during immersion. Polymer quench solutions
require regular concentration checks and disposal in accordance with the facility's waste management plan.

Pickling and Acid Cleaning:
Hydrochloric and sulfuric acid solutions are used for oxide and scale removal on steel surfaces before
plating or finishing operations. These are highly corrosive materials; splash exposure to skin or eyes
requires immediate flush with large quantities of water for at least 15 minutes. Acid cleaning tanks
must be enclosed or operated under local exhaust ventilation. Acid and caustic chemicals must be stored
separately with appropriate secondary containment.

Heat Treatment Salts:
Molten nitrate and nitrite salt baths used for austempering and martempering operations are strong
oxidizers. Contact with organic materials, water, or incompatible metals can cause fires or violent
reactions. Molten salt baths require specialized PPE including face shields, aluminized protective
clothing, and dry footwear. Workpieces must be thoroughly dried before immersion to prevent steam explosions.

Plating Chemicals:
Chrome, nickel, and zinc plating operations involve hexavalent chromium compounds, cyanide-based
solutions, and sulfuric acid among other chemicals. These areas require additional access controls,
enhanced respiratory protection, and dedicated emergency wash stations with eyewash and body shower.
"""

version = "0.0.1"
