Survey of dioxins in soil

Yokohama City is conducting environmental surveys on dioxins in soil.
From 2000 to 2004, the city of Yokohama was separated by a 1km mesh, and each mesh (340 mesh in the entire city area: point) was surveyed over 5 years.In 2005, the survey results up to that point, We surveyed places with relatively high concentrations.
Since 2006, the entire city area has been divided into 10 districts, and one point has been selected and surveyed.
Since 2023, the entire city area has been divided into five districts, and one point is selected and surveyed.

The survey points were selected for parks with bare land of a certain area suitable for collecting data, and analyzed in accordance with the "Soil Survey and Measure Manual for Dioxins (Ministry of the Environment: Revised March 2022).

FY2023 Survey Results

• FY2022 Survey Results
• FY2021 Survey Results
• FY2020 Survey Results
• FY2019 Survey Results
• FY2018 Survey Results
• FY2017 Survey Results
• FY2016 Survey Results
• FY2015 Survey Results
• 2014 Survey Results
• FY2013 Survey Results
• FY2012 Survey Results
• FY2011 Survey Results
• FY2010 Survey Results
• FY2009 Survey Results
• FY2008 Survey Results
• FY2007 Survey Results
• FY2006 Survey Results
• FY2005 Survey Results
• Fiscal 2004 Survey Results
• Fiscal 2003 Survey Results
• Fiscal 2002 Results
• FY 2001 Survey Results
• FY 2000 Survey Results