Annual summary of burial ground grid well assays - 1980. [Alpha emitters, beta-gamma emitters, and tritium]

Technical Report · Sat Oct 10 04:00:00 EDT 1981

OSTI ID:5379516

Fenimore, J W

During 1980, 1180 assays were performed on samples of groundwater collected from the grid of 67 ground-water monitoring wells in the original 76 acre SRP burial ground (643-G). A plot of data over the past seven years shows that average concentrations have remained approximately constant and at very low levels. The average alpha concentration, for instance, over the seven-year period is a little less than 1/6th the drinking water concentration guide given in the ERDA Manual, chapter 0524. Beta-gamma average concentration is about 1/78th the guide. Tritium is the only radionuclide which has exceeded drinking water levels. The bulk of leached tritium in groundwater within the fenced burial ground is in three areas. An area in the west section is shown by wells A3, A5, C3, C5, C7, E3 and I7; a middle area is shown by wells C23, G13 and G21; and an area in the east section shown by wells G32 and G34. Average tritium concentration in the burial ground groundwater is about 23 times the drinking water guide. However, after migrating down the flow path to the outcrop, groundwater emerges from the ground at only about 4 times the guide and is shortly reduced by dilution in the stream to less than drinking water levels. 3 figures, 2 tables.

• Research Organization: Du Pont de Nemours (E.I.) and Co., Aiken, SC (USA). Savannah River Lab.
• DOE Contract Number: AC09-76SR00001
• OSTI ID: 5379516
• Report Number(s): DPST-81-643; ON: DE84006522
• Country of Publication: United States
• Language: English

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BETA DECAY RADIOISOTOPES
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NUCLEI
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RADIOACTIVITY
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