Compare EcoZinc, Reef Safe Australia and ThermaSun for Australian outdoor worksites. This six-point guide helps WHS managers, councils and contractors choose between certified worksite formats, entry-price personal issue, bulk pumps, coastal operations and welding-specific UVC supply. EcoZinc fits standardised site programs, ThermaSun suits high-volume distribution, and Reef Safe Australia fits marine-tourism and guest-facing settings.