In California, hexavalent chromium in drinking water is currently regulated under the
total chromium state MCL of 50 parts per billion (ppb). A maximum contaminant level
(MCL) is the highest concentration of chemicals permitted in drinking water systems.
The total chromium MCL was established in 1977 and regulates both the less-toxic
trivalent form and the hexavalent form. California is the only state to have set its own
total chromium MCL; other states use the total chromium federal MCL of 100 ppb to
regulate chromium. The proposed MCL would regulate hexavalent chromium
separately. source: https://www.waterboards.ca.gov/drinking_water/certlic/drinkingwater/documents/chromium6/Cr6-MCL-FAQ.pdf
If we have a concentration of 0.891 mg/l, we can convert this to ppb using the formula:
ppb = 0.891 * 1000 = 891 ppb
So, 0.891 mg/l is equivalent to 891 ppb.
Now, let’s take it a step further. If we want to express 891 ppb in terms of a different unit, such as per 50 ppb, we can divide 891 by 50:
891 ppb / 50 = 17.82
Therefore, 891 ppb is equivalent to 17.82 times the MCL
when the Table was created I believe a decimal point was missing.
Lab results show chromium level at 178-times the maximum EPA limit!
Some supporters of natural resource conservation are fooled and are mesmerized by idealism and the smoke and mirrors of companies like the Klamath River Renewal Corporation (KRRC), who are arguably engaged in a business model that monetizes what some people term as reckless environmentalism. I call these people ‘idealists’ in the context of this article.
The impacts of dam removal projects extend into both environmental areas and socio-economics, especially when applied to disadvantaged communities such as those living on and around lakes being drained.
Unfortunately and arguably, KRRC does not live up to it’s name in any sense. Why? Because they allowed greed to prioritize profits over the genuine natural resource conservation and renewal of the wild and scenic Klamath River.
Numerous credentialed scientists over the past had warned, even at the risk of losing their jobs, that the sediments in the bottoms of Iron Gate and Copco lakes were not the same as the sediments found behind other dams, and contained toxins. And if allowed to enter the main-stem of the Klamath River, would cause catastrophic damage to the entire river ecosystem, well beyond just killing the fish.
Now we are seeing and experiencing the truth of their sage wisdom, which was ignored and sequestered to favor unbridled greed.
Shades of Erin Brockovich? Hinkley groundwater contamination – Wikipedia
Chromium in the Klamath River tested at 178-times above the maximum EPA limit after the release of the sediments from Iron Gate and Copco Lakes. Scientists warned this was a possibility!
The idealists supporting KRRC and the removal of the Klamath River dams don’t live here, but they want to run Siskiyou County and control the fate of an entire river ecosystem without proper care and consideration of all the science, some of which has been unscrupulously sequestered with whistle-blower scientists being fired, arguably for telling a truth that jams the gears of profiteers.
These idealists think like checkers players and fail to realize what’s coming in the next 10-moves on the environmental chess board. Most have no training or education in science and little understanding of corporate business and PR strategies, and have zero empirical experience. Yet vainly attempt to decipher things beyond their comprehension, and instead, simply march to the beat of people and some corporations who are ruining the planet in the name of ‘environmentalism’. It’s very possible that KRRC and it’s team of contractors are planning a large-scale $-Billion business model based upon dam removals, so the Klamath Dam project is their resume for any such future projects and results.
These idealists are their own worst enemies, assuming they’re actually interested in sustainable natural resource management. I seriously doubt they truly understand the intricate complexities and nuances of an ecosystem as complex as that of the wild and scenic Klamath River.
Please see the attached PDF of the laboratory anaylysis of the Klamath River water after the polluted clay sediments from Iron Gate and Copco Lakes were ignorantly released into the main-stem of the Klamath River.
Boiling water does not mitigate chromium that is now arguably permeating into wells close to the Klamath River.
click the arrows for the 8 page report… ⤵️Klamath-River-Water-Analysis-
The toxicity of chromium at a concentration of 0.891 mg/L can have serious health effects. Chromium is considered a heavy metal and is toxic to humans even at very low concentrations. It is classified as a non-essential heavy metal and can cause various health hazards, including carcinogenesis, mutagenesis, and teratogenesis, among others. Long-term exposure to chromium at this concentration may lead to serious health issues, including the risk of cancer. Therefore, it is important to remove chromium from water before drinking, as it can be harmful to human health.
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