Allergen Cross-Contact PPM Threshold

Estimate allergen cross-contact levels in parts per million (ppm) from shared equipment and production lines to assess FALCPA labeling requirements.

 
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Physical Constants Reference
ConstantSymbolValue
Speed of lightc2.99792458×10⁸
Planck's constanth6.62607015×10⁻³‴
Boltzmann constantkʙ1.380649×10⁻²³
Avogadro's numberNₐ6.02214076×10²³
Gravitational constantG6.6743×10⁻¹¹
Gas constantR8.31446
Elementary chargee1.602176634×10⁻¹⁹
Electron massmₑ9.1093837015×10⁻³¹
Proton massmₚ1.67262192369×10⁻²⁷
Fine-structure constantα7.2973525693×10⁻³
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How It Works

Estimate allergen cross-contact levels in parts per million (ppm) from shared equipment and production lines to assess FALCPA labeling requirements

Each component has a specific meaning:

  • Shared equipment — The shared equipment recorded for the scenario being assessed.
  • Production lines — The production lines recorded for the scenario being assessed.

Note: Interpret the allergen cross-contact ppm result against the thresholds and context described above.

How to Use

Enter the shared equipment, production lines for the scenario you are assessing. Estimate allergen cross-contact levels in parts per million (ppm) from shared equipment and production lines to assess FALCPA labeling requirements. Use the allergen cross-contact ppm result to inform your calculation.

Frequently Asked Questions