No significant health risk

possible health risk

high health risk

 

12T-501
Click on the name of the contaminant for more information about possible health risks associated with that contaminant

Metal Contaminants

Danger
Name
Amount
Safe Limit*
Aluminum 66.0 1000
Arsenic 2.3 10
Barium 87.9 1000
Cadmium 0.0 5
Chromium 0.0 100
Iron 571.0 300
Lead 0.0 15
Mercury 0.019 2
Selenium 31.7 50
Thallium 0.0 2

all numbers are in micrograms per Liter

Radioactive Contaminants

Danger
Name
Amount
Safe Limit*
Lead-210 0.40 0.047*
Radium-226 0.20 5
Radium-228 0.00 5
Thorium-228 0.30 0.21*
Thorium-230 0.30 1.3*
Thorium-232 0.30 1.5*
Uranium-234 5.00 20
Uranium-235 0.10 20
Uranium-238 2.20 20
Alpha particles

7.90

 15
Beta paricles 3.90

50

all numbers are in picocuries per Liter

* The Safe Limit values for Lead-210, Thorium-228, Thorium-230, and Thorium-232 are based on the Preliminary Remediation Goals(PRG) for cleaning up contaminated sites. All other Safe Limit values are based on Maximum Contaminant Levels(MCL). Both values are determined by the USEPA.

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