Know Your Environment. Protect Your Health.

Thallium

Tesoro Viejo Master Mwc, Inc.

Thalium is a naturally occurring metal released into the environment from metal smelting and coal burning. Exposure to too much thalium can cause hair loss, liver damage, reduced sperm motility and nervous system impairment.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND110ND
2021ND40ND
2022ND30ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for thallium 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 internal organs.

EPA Maximum Contaminant
Level (MCL): 2 ppb

The legal limit for thallium, established in 1992, was based on analytical detection limits at the time that the standard was set.

ppb = parts per billion

All test results

Date Lab ID Result
2018-08-15CA2010017_002_002-201808151055ND
2018-12-06CA2010017_006_006-201812061040ND
2018-12-12CA2010017_001_001-201812121045ND
2019-05-15CA2010017_001_001-201905151345ND
2019-06-12CA2010017_006_006-201906121015ND
2019-08-21CA2010017_002_002-201908210955ND
2020-02-05CA2010017_006_006-202002051000ND
2020-02-19CA2010017_006_006-202002190915ND
2020-03-03CA2010017_003_003-202003031020ND
2020-03-03CA2010017_006_006-202003031015ND
2020-03-04CA2010017_003_003-202003041030ND
2020-03-04CA2010017_006_006-202003041000ND
2020-03-05CA2010017_006_006-202003051020ND
2020-03-05CA2010017_003_003-202003051025ND
2020-06-03CA2010017_002_002-202006031215ND
2020-06-09CA2010017_001_001-202006090845ND
2020-06-15CA2010017_002_002-202006151100ND
2021-02-03CA2010017_006_006-202102031045ND
2021-02-17CA2010017_006_006-202102171035ND
2021-06-09CA2010017_001_001-202106090845ND
2021-06-28CA2010017_002_002-202106280955ND
2022-02-16CA2010017_006_006-202202160920ND
2022-06-08CA2010017_001_001-202206080930ND
2022-07-06CA2010017_002_002-202207060900ND
2023-02-13CA2010017_002_002-202302130630ND
2023-02-14CA2010017_006_006-202302141040ND
2023-06-05CA2010017_001_001-202306051040ND
2023-06-20CA2010017_001_001-202306200755ND