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Title: H-Area Acid/Caustic Basin groundwater monitoring report. Third quarter 1994

Technical Report ·
DOI:https://doi.org/10.2172/10110944· OSTI ID:10110944

During third quarter 1994, samples collected from the four HAC monitoring wells at the H-Area Acid/Caustic Basin were analyzed for selected heavy metals, herbicides/pesticides, indicator parameters, major ions, radionuclide indicators, and other constituents. Monitoring results that exceeded the final Primary Drinking Water Standards (PDWS) or the Savannah River Site (SRS) flagging criteria or turbidity standard during third quarter are the focus of this report. Tritium exceeded the final PDWS in all four HAC wells during third quarter 1994. Carbon tetrachloride exceeded the final PDWS in well HAC 4. Aluminum exceeded its Flag 2 criterion in all four HAC wells. Iron was elevated in wells HAC 1, 2, and 3. Manganese exceeded its Flag 2 criterion in well HAC 3, and total organic halogens was elevated in well HAC 2. No well samples exceeded the SRS turbidity standard. Groundwater flow direction in the water table beneath the H-Area Acid/Caustic Basin was to the northwest during third quarter 1994. This data is consistent with previous quarters, when the flow direction has been to the northwest or the north-northwest.

Research Organization:
Savannah River Site (SRS), Aiken, SC (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC09-89SR18035
OSTI ID:
10110944
Report Number(s):
WSRC-TR-94-0491; ON: DE95005893
Resource Relation:
Other Information: PBD: Dec 1994
Country of Publication:
United States
Language:
English