Nearly three hectares of dioxin-contaminated land at Biên Hòa air base… stockbot 0 327 2023.03.08 18:59 https://vietnamnews.vn/politics-laws/1494176/nearly-three-hectares-of-… + 3 https://vietnamnews.vn/rss/politics-laws.rss + 4 This is the first part of the air base completely remediated and accounts for only 4 per cent of the total area that needs to be treated within a project by the US Agency for International Development (USAID).