Comment by 0cf8612b2e1e
10 hours ago
If I am reading this correctly, the Erin Brockovich hexavalent chromium was detected in Hinkley at levels of 1.2 to 20 ppb (ug/L). Contrasted here with 10.4 ppb (ug/L). Sounds notable to me if they are regularly flooding the zone with this.
Looking at this: https://www.standardmethods.org/doi/10.2105/SMWW.2882.053:
> in streams it averages about 1 μg/L, and in groundwaters it is generally 100 μg/L
Seems like it's no more polluted than normal water. Somewhere in between groundwater and streams.
I dug up the actual results instead of an article about and article about an article talking about the lab results, they're here: https://www.documentcloud.org/documents/28055380-j2673-1-uds...
That earlier link is to the method they used for detection.
And if it is just sitting there, it is concentrating