Know Your Environment. Protect Your Health.

4,4'-dde

City of Spokane

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND120ND
2019N/A00N/A
2020N/A00N/A
2021ND40ND
2022N/A00N/A
2023ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-07-17ND
2018-07-17ND
2018-07-17ND
2018-07-17ND
2018-07-17ND
2018-07-17ND
2018-10-30ND
2018-10-30ND
2018-10-30ND
2018-10-30ND
2018-10-30ND
2018-10-30ND
2021-07-274195378ND
2021-07-274195367ND
2021-07-274205226ND
2021-07-274205225ND
2023-07-254507783ND
2023-07-254507777ND
2023-07-254507788ND