Hafnium

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Friday, May 8, 2009

New TCEQ ASARCO reports available on their ASARCO INFO webpage

Expert Reports

James Sher, P.E.
47
10.7MB
Benjamin Costello
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26kb
Benjamin Costello - Attachment 1
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42kb
Benjamin Costello - Attachment 2
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8kb

Asarco groundwater 6,200 times the legal limit for Arsenic.....

"The groundwater at the facility has arsenic, lead, and cadmium concentrations
above the maximum contaminant level (MCL). ......The most prevalent
COC in the groundwater is arsenic. Currently, the highest concentration of
arsenic in the groundwater occurs in onsite well EP-49 with a concentration of
62.5 mg/L, which is approximately 6,200 times the MCL for arsenic. The area of
contaminated groundwater is shown in Figure 5."
http://www.tceq.state.tx.us/assets/public/remediation/variousremediationsites/sher_asarco_expert_report.pdf