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Introduction on HAC Hearing Aids

Introduction on HAC Hearing Aids

HAC is short for Hearing Aid Compatibility which test electromagnetic compatibility of mobile phones and hearing aids. It is divided into two parts RF and T-coi...

Three Substances as Known to Cause Cancer were Added to California 65 Chemicals List

Three Substances as Known to Cause Cancer were Added to California 65 Chemicals List

On January 27, 2023, the Office of Environmental Health Hazard Assessment (OEHHA) issued a notice to update the California 65 Chemicals List. 1-bromo-3-chloropr...