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EPA's guidance range is 4-18 ppb;
- High Exposives Waste Treatment Facility effluent is 4 to 58 ppb;
- Mortandad Canyon perched water 140 to 400 ppb;
- DP Canyon core samples 200 to 1000 ppb;
- In 2003 wastewater from TA-9 over 500 ppb;
- ".. percholorate is present in shallow, intermediate and deep
ground waters underlying the Laboratory." p 4;
- highly, mobile, persists p. 6;
- blocks iodide uptake, may also result in thyroid gland tumors p.
7;
- in June 2000 Los Alamos County water supply well 3.5 ppb p.9;
- effluent at the Radioactive Liquid Waste Treatment Facility was
"several hundred ppb" until March 2002. p. 16;
- Mortandad core samples 300 to 400 ppb down to at least 400 feet;
- TA 21 200 to 1000 ppb down to 280 feet. p. 20;
- TA-35 wastewater treatment plant "constantly beset by problems,
and inadvertent spills..." p. 21; and
- standard treatments don't work p.22
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