Chemical Data Reporting (CDR) Public Database Data Dictionary

These dictionaries are intended to assist users in interpreting and using the 2020 and 2016 CDR data.

• 2020 Chemical Data Reporting (CDR) Public Database Data Dictionary (pdf) (168.75 KB) (May, 2022)
• 2016 Chemical Data Reporting (CDR) Public Database Data Dictionary (pdf) (59.88 KB, April, 2018)