Journal Article

GHD | SGS | Chrysos PhotonAssay™ – Emissions, Energy and Waste Assessment for Assay Technology

Zero hazardous waste. 90% less energy used. Zero Scope 1 emissions. See the difference for yourself.

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What this note covers

  • Independent comparison of PhotonAssay™ and fire assay across energy consumption, greenhouse gas emissions and hazardous lead waste

  • Based on ten months of operational data from the SGS Kalgoorlie facility

  • PhotonAssay™ consumes approximately 5x less energy per sample and produces approximately 4x fewer CO₂-equivalent emissions during analysis

  • Fire assay generates approximately 9 tonnes of hazardous lead waste per month; PhotonAssay™ generates none

  • Implications for mining operations reducing their ESG footprint and eliminating lead waste handling

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