Know Your Environment. Protect Your Health.

1,4-Dioxane

Collingwood LLC Umh Ny

1,4-Dioxane is a solvent classified by the EPA as a likely human carcinogen. It contaminates groundwater in many states due to industrial wastewater discharges, plastic manufacturing runoff and landfill runoff. Read More.

Animal studies show that 1,4-dioxane can target the liver, kidneys and respiratory system, and that prenatal exposure can harm the developing fetus. The State of California has set a Public Heatlh Goal of no more than 1 part per billion of 1,4-dioxane in drinking water. The state of Massachusetts sets a legal limit of 0.3 ppb, and New Hampshire's limit is 3 parts per billion. There is no national drinking water standard for this contaminant.

Click here to read more about 1,4-dioxane.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.00733 ppb82ND - 0.0326 ppb
2022ND40ND
20230.00761 ppb72ND - 0.0304 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.35 ppb

The EWG Health Guideline of 0.35 ppb for 1,4-dioxane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2021-02-24J1B1510-01DIOXANEND
2021-02-24J1B1510-03DIOXANEND
2021-06-29S1F0653-01PFAND
2021-06-29S1F0654-03DIOXANEND
2021-08-31R2108929-001 DIOXANE0.0326 ppb
2021-08-31R2108929-002DIOXANE0.0260 ppb
2021-12-15J1L0993-02DIOXANEND
2021-12-15J1L0993-01DIOXANEND
2022-04-21S2D0453-01PFOND
2022-06-22S2F0535-01PFOND
2022-07-26EHS2200035250-01DIOXND
2022-07-26EHS2200035249-01DIOXND
2023-03-28S3C0266-01DIOXANEND
2023-08-01R2306831-001DIOXND
2023-08-01R2306830-001DIOXND
2023-10-26R2309931-001DIOX0.0229 ppb
2023-10-26R2309932-001DIOXND
2023-11-08R2310335-001DIOX0.0304 ppb
2023-11-08R2310336-001DIOXND