MTBE

Quakertown Boro

MTBE was used as gasoline oxygenation additive to boost the octane number. In 2005, MTBE was replaced by ethanol as a gasoline additive. MTBE causes cancers in rats.

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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	N/A	0	0	N/A
2015	0.217 ppb	3	1	ND - 0.650 ppb
2016	0.0670 ppb	10	1	ND - 0.670 ppb
2017	0.0725 ppb	8	1	ND - 0.580 ppb
2018	0.0570 ppb	10	1	ND - 0.570 ppb
2019	ND	10	0	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 13 ppb

The EWG Health Guideline of 13 ppb for MTBE 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 cancer.

ppb = parts per billion

All test results

Date	Lab ID	Result
2015-12-17	13621885	0.650 ppb
2015-12-29	13621909	ND
2015-12-30	13621861	ND
2016-02-11	13858934	0.670 ppb
2016-02-19	13859219	ND
2016-08-17	14721046	ND
2016-08-25	14721139	ND
2016-08-25	14721118	ND
2016-08-25	14721097	ND
2016-08-31	14892169	ND
2016-08-31	14892148	ND
2016-11-10	15214181	ND
2016-12-15	15358531	ND
2017-07-20	16400292	ND
2017-07-20	16400229	0.580 ppb
2017-07-20	16400186	ND
2017-07-20	16400271	ND
2017-07-20	16400250	ND
2017-07-20	16400207	ND
2017-08-17	16551650	ND
2017-08-17	16551629	ND
2018-02-01	T8B0475	ND
2018-06-08	T8F0689	ND
2018-06-08	T8F0689	0.570 ppb
2018-06-08	T8F0689	ND
2018-06-13	T8F0689	ND
2018-06-13	T8F0689	ND
2018-06-13	T8F0689	ND
2018-06-13	T8F0689	ND
2018-06-13	T8F0689	ND
2018-09-27	T8I1279	ND
2019-04-29	T9D0798-02	ND
2019-04-29	T9D0799-01	ND
2019-06-20	T9F1320-01	ND
2019-08-29	T9H1706-01	ND
2019-11-19	T9K0960-02	ND
2019-11-19	T9K0960-03	ND
2019-11-19	T9K0960-04	ND
2019-11-19	T9K0960-05	ND
2019-11-19	T9K0960-06	ND
2019-11-19	T9K0960-01	ND