Anticipated effect of discharging 242-S evaporator cooling water to the ground

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The discharge of cooling water, in the amount of 1 to 1.2 billion gallons per year for a period of three years, from the 242-S Evaporator- Crystallizer to the groundwater system will have a measurable effect on the altitude of the water table beneath and directly adjacent to the 200 West Area of the Hanford Reservation. The probability is high that the water levels in well 299-W23-4 and well 699-35-75 adjacent to the 216-U-10 pond will rise from their present altitude of 478 feet to a minimum altitude of 500 feet, a water-table rise of 22 feet. Furthermore, a maximum ... continued below

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Pages: 15

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Veatch, M.D. September 17, 1971.

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Description

The discharge of cooling water, in the amount of 1 to 1.2 billion gallons per year for a period of three years, from the 242-S Evaporator- Crystallizer to the groundwater system will have a measurable effect on the altitude of the water table beneath and directly adjacent to the 200 West Area of the Hanford Reservation. The probability is high that the water levels in well 299-W23-4 and well 699-35-75 adjacent to the 216-U-10 pond will rise from their present altitude of 478 feet to a minimum altitude of 500 feet, a water-table rise of 22 feet. Furthermore, a maximum water-table altitude of 510 to 515 feet may be realized in the above-mertioned wells because the sediments above a general altitude of 500 feet become finer textured and, therefore, possess a lower water transmitting capability. This resultant water-table rise is of a local nature when considered in relation to the physical boundaries of the regional groundwater system beneath the Hanford Reservation. Based on an average pore volume of 25 percent, total infiltration of three billion gallons and an average rise in the water table of one foot, the area affected would be described by a 4.3 mile radius circle; if a 25 foot rise resulted the radius of the area affected would be about 4500 feet. The historical rise of the water table beneath and adjacent to the 200 Area Chemical Separations Facilities has been monitored since 1944. This monitoring program has provided the hydrogeologic data (drillers' logs, bore hole samples, and water-level measurements) upon which the analysis is based. (auth)

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Pages: 15

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Dep. NTIS

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  • Other Information: Orig. Receipt Date: 30-JUN-74

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  • Report No.: ARH--2214
  • Grant Number: None
  • DOI: 10.2172/4365104 | External Link
  • Office of Scientific & Technical Information Report Number: 4365104
  • Archival Resource Key: ark:/67531/metadc1023755

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • September 17, 1971

Added to The UNT Digital Library

  • Oct. 15, 2017, 10:09 p.m.

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Veatch, M.D. Anticipated effect of discharging 242-S evaporator cooling water to the ground, report, September 17, 1971; United States. (digital.library.unt.edu/ark:/67531/metadc1023755/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.