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EWG's Tap Water Database

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Xylenes (total)

Boone County PWSD 9

Xylenes are solvents used in industrial and consumer products, such as cleaning agents and paint thinners. Xylenes cause nervous system damage and may harm developing fetuses.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012ND40ND
2013N/A00N/A
2014N/A00N/A
2015ND50ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 1,800 ppb

The health guideline of 1,800 ppb for xylenes was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 10,000 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)10,000 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2012-02-07AB66759ND
2012-02-07AB66761ND
2012-02-08AB66758ND
2012-02-08AB66760ND
2015-02-18AC42741ND
2015-02-18AC42745ND
2015-02-18AC42744ND
2015-02-18AC42743ND
2015-02-18AC42742ND