Middlesex Sampling Plant and Middlesex Municipal Landfill. Annual site environmental report, calendar year 1985. Formerly Utilized Sites Remedial Action Program (FUSRAP). [FUSRAP]

Technical Report · Fri Aug 01 04:00:00 EDT 1986

OSTI ID:5366558

The monitoring program at the Middlesex Sampling Plant (MSP) and Middlesex Municipal Landfill (MML) measures uranium and radium concentrations in surface water, groundwater, and sediment; radon gas concentrations in air; and external gamma radiation dose rates. Potential radiation doses to the public are also calculated. During 1985, the highest annual average radon levels in air at the MML and MSP were 10% and 17%, respectively, of the Derived Concentration Guides (DCG). The highest annual average gamma dose rate at the MSP was 167 mrem/y; at the MML the highest annual average dose rate was 13 mrem/y. The highest average annual concentrations of uranium in surface water monitored at the MSP and MML were 13% and 1%, respectively, of the DOE DCG. The highest annual average concentrations of /sup 226/Ra in surface water were 3.3 and 0.8%, respectively, of the applicable DOE DCG. The highest annual average uranium concentration in groundwater at the MSP was about 9% of the DCG; the highest /sup 226/Ra concentration was 0.7% of the respective DCG. The corresponding values for the MML were 0.5 and 3.3%. The highest annual average concentrations of uranium and /sup 226/Ra in sediments at the MSP were 7.7 and 3.5 pCi/g, respectively. The highest uranium concentration at the MML was 3.3 pCi/g, while the highest /sup 226/Ra concentration was 0.7 pCi/g. The calculated total radiation dose to the maximally exposed individual at the MSP, considering several pathways, was 10.5 mrem or 11% of the radiation protection standard; at the MML, it was 0.14 mrem or less than 1% of the radiation protection standard.

• Research Organization: Bechtel National, Inc., Oak Ridge, TN (USA). Advanced Technology Div.
• DOE Contract Number: AC05-81OR20722
• OSTI ID: 5366558
• Report Number(s): DOE/OR/20722-97; ON: DE86015151
• Country of Publication: United States
• Language: English

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ELEMENTS
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SEDIMENTS
STORAGE
SURFACE WATERS
THORIUM 232
THORIUM ISOTOPES
URANIUM
USA
WASTE MANAGEMENT
WASTE STORAGE
WATER
YEARS LIVING RADIOISOTOPES