402-R-97-023 ENVIRONMENTAL RADIATION DATA REPORT 92 October - December 1997 United States Environmental Protection Agency Office of Radiation and Indoor Air ------- (This page intentionally left blank) ------- Preface Environmental Radiation Data (ERD) is compiled and published quarterly by the Office of Radiation and Indoor Air's National Air and Radiation Environmental Laboratory (NAREL) in Montgomery, Alabama, and contains data from the Environmental Radiation Ambient Monitoring System (ERAMS). ERD is published in both hard-copy and electronic formats. Electronic reports are available online atwww.epa.gov/narel. The United States Environmental Protection Agency established ERAMS in 1973 with an emphasis on identifying trends in the accumulation of long-lived radionuclides in the environment. ERAMS is comprised of a nationwide network of sampling stations that provide air, precipitation, surface water, drinking water, and milk samples. Sampling locations are selected to provide optimal population coverage while functioning to monitor fallout from nuclear devices and other forms of radioactive contamination of the environment. The radiation analyses performed on these samples include gross alpha and gross beta analyses, gamma analyses, and radionuclide-specific analyses for uranium, plutonium, strontium, iodine, radium, and tritium. This monitoring effort also provides ancillary information on natural background levels and on routine and accidental releases into the environment from stationary sources. The radiochemical procedures used by NAREL to analyze the ERAMS samples are contained in the Eastern Environmental Radiation Facility Radiochemistry Procedures Manual (EPA 520/5-84-006). Station operation and sample collection are in accordance with procedures contained in the ERAMS Manual (EPA 520/5-84-007, 008, 009). vn ------- (This page intentionally left blank) ------- Acknowledgments All sampling for the Environmental Radiation Ambient Monitoring System (ERAMS) is performed by volunteer collectors who are frequently members of the health departments or related environmental agencies of their respective states. The National Air and Radiation Environmental Laboratory (NAREL) on behalf of the U.S. Environmental Protection Agency would like to acknowledge the time and effort of these volunteer collectors, who are so essential to the successful operation of ERAMS. The efforts of the sample collectors are especially appreciated during times of emergency operation when sampling frequencies are increased and schedules are sometimes demanding. IX ------- (This page intentionally left blank) ------- Data Reporting Conventions Every laboratory measurement involves uncertainty. When there is little or no radioactivity in a sample, one consequence of measurement uncertainty is the possibility of obtaining a measured value that is less than zero. Such a negative result occurs when random effects in the measurement process cause the measured value for the sample to be less than that of the blank or background, which is subtracted from it. From April 1991 to December 1995, negative results were reported as "not detected" or "ND," and gamma analysis results that were less than their estimated measurement uncertainties were also reported as "ND." In January 1996 both of these practices were discontinued. Although negative activities are physically impossible, the inclusion of negative results in the report allows better statistical analysis of the data. Results of gamma analyses are still reported as "ND" when gamma-emitting radionuclides are not detected. Measurement Uncertainty Each measured value y is reported with an expanded uncertainty U=k uc(y), which is determined from the combined standard uncertainty uc(y) and the coverage factor k = 2. The interval from^ - U toy+Uis estimated to have a level of confidence of approximately 95%. Significant Figures Expanded uncertainties are reported to two significant figures. Measurement results are rounded to the corresponding number of decimal places. Detection Capability The minimum detectable concentrations (MDCs) for each radionuclide are shown in Table 1. The MDC is defined as the minimum concentration that gives a 95% probability of detection when the detection criteria are chosen to give only a 5% probability of false detection in a blank sample. XI ------- (This page intentionally left blank) ------- Table 1 Reporting Units and Minimum Detectable Concentrations for Radionuclide Analyses Radionuclide Gross Alpha Gross Beta Tritium * Plutonium-23 8,23 9/240 f Uranium-234,235,238 Radium-226 Strontium-90 {Iodine-131 Cesium- 137 { Barium-140 Potassium Potassium-40 Media Water Air Water Precipitation Water Milk Air Water Air Water Water Milk Water Milk (gamma) Water (gamma) Water Milk Water Milk Water Milk Water Water Reporting Unit pCi/L pCi/m3 pCi/L pCi/L pCi/L pCi/L aCi/m3 pCi/L aCi/m3 pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L pCi/L g/L g/L pCi/L Minimum Detectable Concentration 2 0.0015 2 2 150 150 0.75 0.1 0.75 0.1 0.02 2 1 4 4 0.3 5 5 15 15 0.06 0.06 50 * The MDC for air is based on an assumed total sample volume of 120,000 m3. Measurement by alpha spectrometry includes combined activities of 239Pu and 240Pu, since the relative contributions of these two isotopes cannot be determined. f The MDC for air is based on an assumed total sample volume of 120,000 m3. J Activity as of the day of counting. Xlll ------- (This page intentionally left blank) ------- 1. Air Program Airborne Participates and Precipitation Gross beta radioactivity measurements and certain specific analyses are performed on air particulates and precipitation samples as indicator measurements in assessing the general (national) impact of all contributing sources on environmental levels of radiation. Airborne particulates are collected continuously at field stations representing wide geographic coverage, including present and potential sources of environmental radioactivity. Sampling sites are located throughout the United States. Filters (10-cm diameter synthetic fiber) from air samplers are changed twice weekly and field measurements are made with a G-M survey meter at 5 hours after collection to allow for decay of natural radon isotopes and their progeny. Field estimates are reported to appropriate EPA officials by telephone or mail depending on the activity levels found. The filters are sent to NAREL for more sensitive analyses in a low background beta counter. Gamma scans are performed on all filters showing gross beta counts greater than 1 pCi/m3. The laboratory obtained values are usually lower than the field estimates due to the decay of naturally occurring radionuclides between the times of the two measurements. From this ERD forward and until further notification, NAREL will no longer report 214Bi/214Pb by gamma scan on the monthly composites of the precipitation samples. Precipitation samples are collected at most field stations collecting air filters. These samples are also sent to NAREL where they are composited monthly for gamma scans, tritium, and gross beta activity measurements. A compilation of individual measurements is available from the National Air and Radiation Environmental Laboratory, 540 South Morris Avenue, Montgomery, AL 36115-2601. ------- Table 2 Gross Beta in Airborne Particulates October 1997 Location AK: Fairbanks AZ: Phoenix CA: Berkeley CA: Los Angeles CO: Denver CT: Hartford DE: Wilmington FL: Jacksonville FL: Miami HI: Honolulu IA: Iowa City ID: Boise ID: Idaho Falls IN: Indianapolis KS: Topeka ME: Augusta MI: Lansing MN: Welch MS: Jackson NC: Charlotte NC: Wilmington ND: Bismarck NH: Concord NV: Las Vegas NY: Albany NY: New York City NY: Syracuse NY: Yaphank OH: Paine sville OH: Ross PA: Harrisburg SC: Barnwell SC: Columbia TN: Knoxville TN: Nashville TN: Oak Ridge/Bethel TN: Oak Ridge/K25 TN: Oak Ridge/Melton Number of Samples 1 4 9 9 6 8 9 1 4 9 8 9 9 9 8 6 9 13 9 7 3 3 9 8 5 9 2 9 7 9 9 2 9 9 8 9 9 9 5 -hour Field Estimate Max Min Avg (pCi/m3) 0.0 0.0 0.0 0.8 0.2 0.5 0.2 0.0 0.1 0.2 0.0 0.1 1.2 0.2 0.7 0.2 0.1 0.1 0.5 0.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.1 0.1 0.7 0.2 0.4 1.2 0.1 0.5 0.7 0.0 0.4 1.3 0.4 0.7 0.4 0.1 0.1 0.4 0.1 0.2 1.4 0.0 0.4 0.9 0.1 0.3 0.2 0.0 0.1 1.3 0.1 0.7 0.3 0.0 0.2 0.4 0.1 0.3 0.2 0.0 0.1 0.2 0.0 0.1 0.0 0.0 0.0 0.9 0.0 0.3 0.3 0.1 0.2 0.6 0.2 0.4 0.0 0.0 0.0 0.4 0. 0.2 1.7 0. 0.8 0.6 0. 0.3 1.2 0. 0.7 1.9 0. 1.0 1.9 0.2 0.9 NAREL Lab Measurement Max Min Avg (pCi/m3) 0.008 0.008 0.008 0.023 0.012 0.018 0.016 0.005 0.009 0.037 0.010 0.017 0.015 0.008 0.011 0.012 0.004 0.008 0.021 0.005 0.012 0.018 0.018 0.018 0.017 0.008 0.012 0.004 0.002 0.003 0.023 0.005 0.015 0.022 0.005 0.012 0.028 0.006 0.014 0.033 0.011 0.018 0.021 0.007 0.014 0.011 0.004 0.008 0.031 0.005 0.013 0.023 0.005 0.012 0.019 0.010 0.014 0.032 0.008 0.018 0.018 0.013 0.015 0.013 0.008 0.010 0.014 0.004 0.009 0.038 0.008 0.019 0.018 0.008 0.012 0.017 0.006 0.011 0.017 0.006 0.011 0.016 0.004 0.010 0.031 0.006 0.014 0.031 0.008 0.017 0.030 0.005 0.014 0.016 0.010 0.013 0.051 0.009 0.021 0.043 0.010 0.025 0.032 0.009 0.019 0.033 0.010 0.017 0.029 0.008 0.018 0.026 0.008 0.017 ------- Table 2 (continued) Gross Beta in Airborne Particulates October 1997 Location TN: Oak Ridge/Y12 E TN:OakRidge/Y12W TX: Austin TX: El Paso VA: Lynchburg WA: Olympia WA: Spokane WI: Madison Number of Samples 9 9 9 9 9 3 7 9 5 -hour Field Estimate Max Min Avg (pCi/m3) 1.7 0.1 0.9 0.8 0.1 0.5 0.3 0.0 0.2 1.6 0.1 1.0 1.0 0.1 0.6 0.0 0.0 0.0 0.6 0.1 0.2 0.6 0.2 0.4 NAREL Lab Measurement Max Min Avg (pCi/m3) 0.029 0.008 0.017 0.030 0.007 0.018 0.018 0.007 0.012 0.034 0.012 0.020 0.031 0.007 0.016 0.005 0.002 0.004 0.023 0.004 0.011 0.023 0.005 0.014 ------- Table 3 Gross Beta in Airborne Particulates November 1997 Location AL: Montgomery AR: Little Rock AZ: Phoenix CA: Berkeley CA: Los Angeles CO: Denver CT: Hartford DE: Wilmington FL: Jacksonville FL: Miami HI: Honolulu IA: Iowa City ID: Boise ID: Idaho Falls IN: Indianapolis KS: Topeka ME: Augusta MI: Lansing MN: Welch MS: Jackson NC: Charlotte NC: Wilmington ND: Bismarck NH: Concord NV: Las Vegas NY: Albany NY: New York City NY: Syracuse NY: Yaphank OH: Columbus OH: Paine sville OH: Ross PA: Harrisburg SC: Barnwell SC: Columbia TN: Knoxville TN: Nashville TN: Oak Ridge/Bethel Number of Samples 5 1 4 8 7 7 8 8 5 4 8 5 8 6 7 7 6 8 8 7 4 4 6 8 7 4 7 2 7 2 6 7 8 2 6 8 7 8 5 -hour Field Estimate Max Min Avg (pCi/m3) 0.0 0.0 0.0 0.4 0.4 0.4 1.0 0.7 0.8 0.1 0.0 0.1 0.3 0.2 0.2 0.8 0.2 0.4 0.1 0.0 0.1 0.3 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.1 0.1 0.8 0.0 0.3 1.0 0.0 0.5 0.5 0.0 0.2 1.8 0.2 1.0 0.2 0.0 0.1 0.3 0.1 0.1 1.5 0.1 0.5 0.2 0.1 0.2 0.0 0.0 0.0 2.2 0.2 0.9 0.1 0.0 0.1 0.5 0.2 0.3 0.1 0.0 0.1 0.2 0.0 0.1 0.0 0.0 0.0 0.2 0.0 0.1 0.4 0.1 0.2 0.0 0.0 0.0 0.3 0.0 0.2 1.5 0.1 0.5 0.2 0.1 0.1 0.9 0.1 0.4 NAREL Lab Measurement Max Min Avg (pCi/m3) 0.031 0.021 0.026 0.035 0.035 0.035 0.034 0.020 0.028 0.016 0.003 0.007 0.031 0.006 0.014 0.020 0.010 0.014 0.015 0.003 0.008 0.018 0.005 0.010 0.015 0.007 0.011 0.013 0.005 0.009 0.021 0.003 0.006 0.046 0.009 0.020 0.022 0.005 0.011 0.025 0.003 0.014 0.035 0.013 0.021 0.041 0.009 0.019 0.017 0.006 0.010 0.028 0.007 0.017 0.049 0.006 0.023 0.032 0.010 0.017 0.020 0.013 0.016 0.022 0.007 0.013 0.075 0.012 0.031 0.018 0.004 0.009 0.027 0.012 0.020 0.026 0.010 0.016 0.026 0.005 0.012 0.020 0.010 0.015 0.013 0.003 0.008 0.028 0.015 0.021 0.022 0.007 0.013 0.028 0.012 0.018 0.022 0.006 0.013 0.014 0.009 0.012 0.020 0.009 0.014 0.039 0.013 0.025 0.036 0.009 0.020 0.022 0.008 0.015 ------- Table 3 (continued) Gross Beta in Airborne Particulates November 1997 Location TN: Oak Ridge/K25 TN: Oak Ridge/Melton TN: Oak Ridge/Y12 E TN:OakRidge/Y12W TX: Austin TX: El Paso VA: Lynchburg WA: Olympia WA: Spokane WI: Madison Number of Samples 8 7 9 8 7 7 7 4 8 8 5 -hour Field Estimate Max Min Avg (pCi/m3) 4.6 0.1 0.9 1.1 0.1 0.4 0.8 0.1 0.3 0.3 0.0 0.2 0.2 0.1 0.1 1.5 0.2 0.9 0.6 0.1 0.3 0.1 0.0 0.1 0.3 0.1 0.1 0.9 0.1 0.3 NAREL Lab Measurement Max Min Avg (pCi/m3) 0.021 0.008 0.015 0.023 0.012 0.016 0.023 0.007 0.015 0.027 0.008 0.018 0.025 0.007 0.014 0.033 0.015 0.022 0.019 0.006 0.010 0.011 0.003 0.006 0.032 0.004 0.013 0.039 0.005 0.021 ------- Table 4 Gross Beta in Airborne Particulates December 1997 Location AK: Fairbanks AL: Montgomery AR: Little Rock AZ: Phoenix CA: Berkeley CA: Los Angeles CO: Denver CT: Hartford DE: Wilmington FL: Jacksonville FL: Miami HI: Honolulu IA: Iowa City ID: Boise IN: Indianapolis KS: Topeka ME: Augusta MI: Lansing MN: Welch MS: Jackson NC: Charlotte NC: Wilmington ND: Bismarck NH: Concord NV: Las Vegas NY: Albany NY: New York City NY: Syracuse NY: Yaphank OH: Columbus OH: Paine sville OH: Ross PA: Harrisburg SC: Barnwell SC: Columbia SD: Pierre TN: Knoxville TN: Nashville Number of Samples 2 9 5 3 8 9 8 9 9 6 5 8 4 9 9 8 8 9 8 8 7 3 4 9 9 5 5 2 6 5 8 9 9 2 8 4 7 8 5 -hour Field Estimate Max Min Avg (pCi/m3) 0.0 0.0 0.0 0.1 0.0 0.0 0.2 0.0 0.1 0.3 0.1 0.2 0.3 0.0 0.1 0.3 0.0 0.1 0.3 0.0 0.1 0.1 0.0 0.1 0.1 0.0 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.2 0.1 0.1 0.6 0.0 0.3 0.8 0.2 0.4 0.8 0.0 0.2 0.5 0.2 0.3 0.1 0.0 0.1 0.2 0.1 0.1 0.3 0.0 0.1 0.3 0.0 0.1 0.1 0.0 0.0 0.7 0.2 0.4 0.1 0.0 0.1 0.4 0.1 0.2 0.1 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.1 0.0 0.0 0.0 0.2 0.0 0.1 0.3 0.1 0.2 0.0 0.0 0.0 0.4 0.0 0.1 0.2 0.1 0.2 0.7 0.0 0.3 0.2 0.1 0.1 NAREL Lab Measurement Max Min Avg (pCi/m3) 0.017 0.016 0.017 0.044 0.014 0.026 0.022 0.016 0.018 0.030 0.017 0.023 0.018 0.004 0.008 0.014 0.005 0.011 0.018 0.008 0.013 0.016 0.004 0.008 0.023 0.007 0.012 0.018 0.009 0.012 0.010 0.006 0.008 0.006 0.001 0.003 0.030 0.017 0.020 0.034 0.004 0.016 0.031 0.009 0.020 0.026 0.010 0.015 0.019 0.007 0.012 0.020 0.005 0.014 0.018 0.003 0.012 0.020 0.013 0.015 0.029 0.009 0.016 0.014 0.010 0.011 0.018 0.009 0.015 0.014 0.005 0.009 0.026 0.003 0.015 0.018 0.008 0.013 0.018 0.007 0.011 0.012 0.010 0.011 0.015 0.007 0.009 0.025 0.013 0.018 0.018 0.006 0.013 0.031 0.009 0.018 0.025 0.008 0.014 0.014 0.012 0.013 0.019 0.009 0.013 0.022 0.009 0.015 0.045 0.014 0.030 0.035 0.010 0.021 ------- Table 4 (continued) Gross Beta in Airborne Particulates December 1997 Location TN: Oak Ridge/Bethel TN: Oak Ridge/K25 TN: Oak Ridge/Melton TN: Oak Ridge/Y12 E TN:OakRidge/Y12W TX: Austin TX: El Paso UT: Salt Lake City VA: Lynchburg WA: Olympia WA: Spokane WI: Madison Number of Samples 9 9 9 9 9 8 6 5 7 4 8 8 5 -hour Field Estimate Max Min Avg (pCi/m3) 0.6 0.0 0.2 0.6 0.0 0.3 0.5 0.0 0.2 0.9 0.0 0.3 0.3 0.0 0.1 0.3 0.0 0.1 2.0 0.0 0.7 1.1 0.0 0.3 1.3 0.2 0.4 0.0 0.0 0.0 0.1 0.1 0.1 0.2 0.1 0.2 NAREL Lab Measurement Max Min Avg (pCi/m3) 0.035 0.009 0.016 0.031 0.008 0.015 0.033 0.007 0.016 0.035 0.009 0.017 0.036 0.009 0.017 0.017 0.009 0.012 0.031 0.001 0.015 0.021 0.004 0.015 0.024 0.006 0.013 0.010 0.001 0.006 0.033 0.004 0.014 0.021 0.007 0.015 ------- Table 5 Gross Beta and Specific Gamma in Precipitation October 1997 Location CO: Denver CT: Hartford DE: Wilmington FL: Jacksonville FL: Miami HI: Honolulu IA: Iowa City ID: Idaho Falls ME: Augusta MI: Lansing MN: Minneapolis NC: Charlotte NC: Wilmington ND: Bismarck NE: Lincoln NH: Concord NM: Santa Fe NY: Albany NY: Syracuse NY: Yaphank OH: Painesville OR: Portland PA: Harrisburg SC: Barnwell SC: Columbia TN: Knoxville TN: Nashville TX: Austin UT: Salt Lake City VA: Lynchburg WA: Olympia WI: Madison Gross Beta Activity pCi/L ±2u 5.18 1.03 1.12 0.48 1.11 0.50 0.51 0.70 0.58 0.66 0.29 0.38 0.97 0.55 2.30 2.31 6.18 1.68 0.37 31.8 2.05 1.23 1.25 1.77 0.61 0.81 1.49 0.25 0.97 4.50 0.23 1.05 0.53 0.28 0.27 0.24 0.29 0.27 0.28 0.27 0.25 0.30 0.29 0.24 0.28 0.31 0.41 0.37 0.58 0.33 0.23 1.2 0.38 0.34 0.29 0.36 0.25 0.26 0.32 0.31 0.30 0.48 0.22 0.33 Specific Gamma Activity Nuclide pCi/L ± 1u Be7 Be7 Be7 K40 Pb212 Be7 Be7 Be7 Be7 Pb212 Pb212 ND 53 53 65 58 ND ND ND ND ND 137 51 ND ND ND ND 19 41 3.4 6.3 ND ND 94 68 83 49 ND ND 76 38 35 37 ND ND 6.1 3.2 ND ND ND ND 6.9 3.9 ND ND Note: ND = Not Detected ------- Table 6 Gross Beta and Specific Gamma in Precipitation November 1997 Location CO: Denver CT: Hartford DE: Wilmington FL: Jacksonville FL: Miami HI: Honolulu IA: Iowa City ID: Boise ID: Idaho Falls ME: Augusta MI: Lansing MN: Minneapolis MN: Welch NC: Charlotte NC: Wilmington ND: Bismarck NH: Concord NM: Santa Fe NV: Las Vegas NY: Albany NY: Syracuse NY: Yaphank OH: Paine sville OR: Portland PA: Harrisburg SC: Barnwell SC: Columbia TN: Knoxville TN: Nashville TX: Austin TX: El Paso VA: Lynchburg WA: Olympia WI: Madison Gross Beta Activity pCi/L ±2u 0.19 1.45 1.38 1.19 1.17 1.87 0.51 1.49 1.86 0.55 1.34 4.68 .31 .08 2.19 .69 .93 .18 16.8 0.73 0.14 1.18 4.79 1.64 2.59 1.18 1.07 2.97 1.20 1.11 0.78 6.18 0.46 1.69 0.23 0.32 0.30 0.31 0.31 0.34 0.24 0.31 0.36 0.26 0.30 0.50 0.30 0.30 0.38 0.33 0.35 0.31 1.3 0.26 0.20 0.30 0.48 0.33 0.38 0.29 0.28 0.41 0.29 0.29 0.28 0.54 0.24 0.33 Specific Gamma Activity Nuclide pCi/L ± 2u Pb212 T1208 Be7 T1208 Ra224 Pb212 Be7 Be7 K40 Be7 Pb212 Be7 K40 Pb212 T1208 Be7 Be7 Be7 Pb212 Be7 Pb212 Be7 3.8 5.2 1.5 1.6 27 24 2.6 1.5 46 53 3.9 2.8 ND ND ND ND 27 28 68 41 10 13 ND 35 25 ND 6.1 5.0 ND 44 41 39 59 ND 4.5 3.1 1.6 1.7 ND 103 28 49 35 62 28 4.0 3.0 24 25 5.4 2.9 76 29 ND ND ND ND ND Note: ND = Not Detected ------- Table 7 Gross Beta and Specific Gamma in Precipitation December 1997 Location AR: Little Rock AZ: Phoenix CO: Denver CT: Hartford DE: Wilmington FL: Jacksonville FL: Miami HI: Honolulu IA: Iowa City ID: Idaho Falls MN: Minneapolis MS: Jackson NC: Charlotte NC: Wilmington NM: Santa Fe NY: Albany NY: Yaphank OH: Paine sville OR: Portland PA: Harrisburg SC: Columbia TN: Knoxville TN: Nashville TX: Austin TX: El Paso UT: Salt Lake City VA: Lynchburg WA: Olympia WI: Madison Gross Beta Activity pCi/L ±2u 0.86 1.46 3.12 3.97 1.84 0.50 0.33 1.52 0.94 3.12 6.22 1.35 0.89 0.16 1.46 1.06 1.34 5.29 0.97 2.57 5.48 0.27 1.08 0.63 1.76 1.19 1.76 0.65 1.76 0.34 0.32 0.42 0.50 0.36 0.25 0.28 0.33 0.35 0.42 0.60 0.34 0.27 0.20 0.38 0.29 0.31 0.54 0.28 0.38 0.56 0.29 0.34 0.30 0.39 0.32 0.34 0.25 0.38 Specific Gamma Activity Nuclide pCi/L ± 2u ND ND ND Be7 70 38 Be7 47 33 T1208 1.6 1.5 ND ND ND ND ND Be7 93 35 ND ND ND Be7 35 29 Pb212 4.3 3.4 ND Be7 44 27 ND ND Be7 55 29 ND ND ND T1208 1.6 1.6 ND ND ND ND ND Note: ND = Not Detected 10 ------- Table 8 Tritium in Precipitation October - December 1997 Location AR: Little Rock AZ: Phoenix CO: Denver CT: Hartford DE: Wilmington FL: Jacksonville FL: Miami HI: Honolulu IA: Iowa City ID: Boise ID: Idaho Falls ME: Augusta MI: Lansing MN: Minneapolis MN: Welch MS: Jackson NC: Charlotte NC: Wilmington ND: Bismarck NE: Lincoln NH: Concord NM: Santa Fe NV: Las Vegas NY: Albany NY: Syracuse NY: Yaphank OH: Painesville OR: Portland PA: Harrisburg SC: Barnwell SC: Columbia TN: Knoxville TN: Nashville TX: Austin TX: El Paso UT: Salt Lake City VA: Lynchburg WA: Olympia October 1997 pCi/L ±2u NS NS -15 85 4 90 23 91 -65 84 4 90 -22 85 NS NS -7 86 31 91 37 88 -44 84 NS NS -13 88 -12 89 -43 85 -14 83 -54 88 -5 86 NS -6 89 71 93 61 92 NS -41 84 43 92 133 91 -15 89 15 90 -17 89 -36 85 NS -41 84 8 90 -46 84 November 1997 pCi/L ±2u NS NS 69 84 -17 81 278 93 -27 84 -51 80 38 82 92 84 -7 80 25 81 -40 80 22 81 43 83 7 81 NS 97 86 2 82 23 82 NS -10 82 -27 79 23 82 -31 81 66 84 22 83 45 83 17 81 45 84 990 120 26 82 -33 80 17 83 -8 80 -12 80 NS 25 83 -10 80 December 1997 pCi/L ±2u -2 91 -72 87 -15 90 10 92 58 94 -25 84 -40 90 -2 91 -29 90 NS -31 89 NS NS 11 91 NS -55 89 -25 90 -25 90 NS NS NS -23 90 NS 6 91 NS -11 91 -46 89 -44 89 -27 90 NS -19 91 -4 92 -4 91 -13 90 -13 90 -84 87 -25 90 -23 89 Note: NS = No Sample 11 ------- Table 8 (continued) Tritium in Precipitation October - December 1997 Location WI: Madison October 1997 pCi/L ±2u NS November 1997 pCi/L ±2u -2 81 December 1997 pCi/L ±2u -58 90 Note: NS = No Sample 12 ------- Plutonium and Uranium in Airborne Particulates and Precipitation Environmental radiation levels of plutonium and uranium are determined by the analysis of annually composited samples (air filters) collected from the continuously operating airborne paniculate samplers. Concentrations of plutonium-23 8, combined plutonium-239 and 240, anduranium-234,235, and 23 8 are determined by alpha spectrometry following chemical separation. The volume of air represented by the annual composite ranges from 120,000 to 500,000 cubic meters. Plutonium and uranium results are published when they become available. 13 ------- Table 9 Plutonium and Uranium in Airborne Particulates January - December 1997 Composites Location AK: Fairbanks AL: Montgomery AR: Little Rock AZ: Phoenix CA: Berkeley CA: Los Angeles CO: Denver CT: Hartford DE: Wilmington FL: Jacksonville FL: Miami HI: Honolulu IA: Iowa City ID: Boise ID: Idaho Falls IN: Indianapolis KS: Topeka ME: Augusta MI: Lansing MN: Minneapolis MN: Welch MN: Welch MS: Jackson NC: Charlotte NC: Wilmington ND: Bismarck NH: Concord NJ: Trenton NM: Santa Fe NV: Las Vegas NY: New York City NY: Syracuse NY: Yaphank OH: Columbus OH: Paine sville OH: Ross PA: Harrisburg SC: Barnwell SC: Columbia SD: Pierre aCi/m3 ±2u -0.43 0.39 0.30 0.93 -0.10 0.42 -0.5 2.0 0.29 0.50 0.37 0.92 0.20 0.58 0.43 0.40 0.02 0.35 0.16 0.30 0.47 0.42 0.24 0.31 0.32 0.49 0.23 0.54 -0.10 0.44 0.46 0.70 0.12 0.58 0.25 0.63 0.22 0.69 -0.11 0.38 0.00 0.36 0.05 0.16 0.57 0.68 -0.37 0.59 -0.10 0.30 1.21 0.87 0.21 0.24 -0.2 2.1 0.5 1.3 0.6 2.3 0.05 0.30 -0.09 0.29 0.44 0.33 -0.48 0.38 0.20 0.40 3.9 1.5 0.24 0.33 -0.12 0.19 0.18 0.36 -0.03 0.39 239-240pu aCi/m3 ±2u 0.02 0.18 0.48 0.61 0.22 0.30 -0.24 0.61 0.14 0.26 0.26 0.39 0.49 0.44 0.03 0.13 0.14 0.18 0.000 0.099 0.05 0.16 0.19 0.19 0.22 0.24 0.08 0.23 0.15 0.28 0.19 0.42 0.06 0.24 0.07 0.15 0.16 0.30 0.09 0.21 0.12 0.19 0.012 0.038 -0.17 0.15 0.06 0.26 0.08 0.15 0.11 0.24 0.000 0.055 0.6 1.1 0.44 0.58 0.8 1.1 0.09 0.14 -0.015 0.031 0.15 0.15 0.00 0.18 -0.06 0.12 0.11 0.35 0.08 0.18 0.14 0.11 0.10 0.24 0.13 0.17 234U aCi/m3 ±2u 13.3 2.5 19.7 4.2 22.9 4.6 66 12 8.7 2.3 26.8 5.9 35.6 5.3 14.0 3.0 14.7 2.9 10.5 2.1 10.1 2.4 3.01 0.91 19.1 3.1 22.6 3.9 16.8 3.5 26.8 3.7 17.1 2.8 25.0 4.1 14.7 2.5 9.3 1.6 14.5 2.2 4.25 0.79 17.9 4.5 22.9 5.2 23.1 2.4 17.1 3.4 9.9 2.0 19.3 4.9 35.2 5.1 44.4 7.2 13.1 2.9 10.1 1.7 6.9 1.4 20.7 2.6 11.2 1.9 34.4 5.0 10.7 2.2 13.1 1.9 33.4 5.4 14.1 2.5 235U aCi/m3 ±2u 1.79 0.99 2.5 1.6 1.6 1.3 6.3 3.9 0.64 0.71 2.4 1.9 3.7 1.8 1.9 1.1 2.7 1.3 0.56 0.50 0.78 0.81 0.47 0.40 2.5 1.2 0.94 0.88 1.4 1.1 2.5 1.1 2.5 1.1 2.8 1.4 1.25 0.79 1.04 0.55 1.75 0.82 0.24 0.23 2.9 1.9 .6 1.6 .20 0.51 .7 1.2 .29 0.74 .1 1.4 2.2 1.3 2.9 1.9 0.47 0.55 1.01 0.56 0.41 0.36 1.86 0.79 0.90 0.57 2.3 1.4 0.84 0.64 1.29 0.59 2.5 1.5 0.96 0.71 238U aCi/m3 ±2u 11.6 2.3 15.7 3.7 21.6 4.4 50 10 6.3 2.0 20.5 4.9 31.9 4.9 12.3 2.7 12.8 2.7 9.7 2.0 9.2 2.2 2.33 0.78 14.9 2.7 19.7 3.6 19.6 3.8 22.8 3.4 15.6 2.6 22.1 3.8 13.0 2.4 6.6 1.3 15.5 2.3 4.22 0.79 17.1 4.4 21.3 5.0 20.6 2.3 15.9 3.3 9.6 2.0 16.0 4.4 31.5 4.8 32.8 6.0 14.5 3.0 10.3 1.7 5.7 1.3 17.2 2.4 9.6 1.7 30.7 4.7 11.5 2.3 11.2 1.7 31.9 5.3 11.3 2.2 Note: NA = No Analysis 14 ------- 15 ------- Table 9 (continued) Plutonium and Uranium in Airborne Particulates January - December 1997 Composites Location TN: Knoxville TN: Nashville TN: Oak Ridge/Bethel TN: Oak Ridge/K25 TN: Oak Ridge/Melton TN: Oak Ridge/Y12 E TN:OakRidge/Y12W TX: Austin TX: El Paso UT: Salt Lake City VA: Lynchburg WA: Olympia WA: Spokane WI: Madison 238pu aCi/m3 ±2u 0.35 0.75 0.62 0.85 0.47 0.40 0.34 0.31 0.007 0.099 0.24 0.52 0.48 0.50 0.29 0.38 -0.4 1.5 0.2 1.3 0.11 0.21 0.09 0.19 -0.17 0.70 0.15 0.39 239-240pu aCi/m3 ±2u 0.14 0.24 0.21 0.36 0.08 0.17 0.13 0.14 0.022 0.043 0.00 0.15 0.12 0.22 0.06 0.16 0.08 0.73 0.47 0.66 0.21 0.18 0.09 0.11 0.14 0.39 0.02 0.18 234U aCi/m3 ±2u 24.1 5.5 17.2 3.5 11.5 1.9 19.6 1.9 7.6 1.1 27.5 3.6 84.2 6.4 9.8 1.8 57 10 35.4 7.1 86.2 8.5 3.8 1.1 16.6 3.4 10.7 1.6 235U aCi/m3 ±2u 2.6 2.1 1.4 1.1 2.14 0.85 1.34 0.46 0.40 0.27 2.8 1.2 5.5 1.3 0.60 0.48 2.8 2.6 1.8 1.6 4.1 1.2 0.29 0.41 1.8 1.2 1.03 0.50 238U aCi/m3 ±2u 17.7 4.7 16.2 3.4 7.4 1.5 23.1 2.1 7.0 1.0 17.6 2.8 29.8 3.1 8.6 1.7 48.6 9.3 30.1 6.4 10.1 1.8 2.29 0.85 13.4 3.0 11.9 1.7 Note: NA = No Analysis 16 ------- (This page intentionally left blank) 2. Water Program The ERAMS water program provides data on radionuclide concentrations in the nation's rivers, streams, and drinking water supplies. Surface Water Quarterly grab samples are taken downstream from nuclear facilities in as many as 58 stations. Surface water samples are analyzed for tritium quarterly and gamma-emitting radionuclides annually. Tritium is a primary potential radioactive pollutant from nuclear power plants and weapons production activities. From this ERD forward and until further notification, NAREL will no longer report 214Bi/214Pb by gamma scan on the surface water samples. 17 ------- Table 10 Tritium in Surface Water October - December 1997 Location AL: Decatur AL: Gordon AL: Scottsboro AR: Little Rock CA: Clay Station CA: Diablo Canyon CA: Eureka CA: San Onofre CO: Platteville CT: E. Haddam CT: Waterford FL: Crystal River FL: Ft. Pierce FL: Homestead GA: Baxley IA: Cedar Rapids ID: Buhl IL: Morris IL: Zion LA: New Orleans MA: Plymouth MD: Conowingo MD: Lusby ME: Wiscasset MI: Bridgman MI: Charlevoix MI: Monroe MI: S. Haven MN: Monticello MN: Red Wing MS: Port Gibson NC: Charlotte NC: Southport NV: Boulder City NY: Chelsea NY: Croton-On-Hudson NY: Oswego OR: Bradwood PA: Danville PA: Philadelphia Source Tennessee River Chattahoochee River Tennessee River Arkansas River Folsom S. Canal Pacific Ocean Humboldt Bay Pacific Ocean South Platte River Connecticut River Long Island Sound Gulf Of Mexico Atlantic Ocean Biscayne Bay Altamaha River Cedar River Snake River Illinois River Lake Michigan Mississippi River Cape Cod Bay Susquehanna River Chesapeake Bay Montseway Bay Lake Michigan Lake Michigan Lake Erie Lake Michigan Mississippi River Mississippi River Mississippi River Catawba River Atlantic Ocean Colorado River Hudson River Hudson River Lake Ontario Columbia River Susquehanna River Delaware River - Baxter Date Collected 10/07/97 10/01/97 10/06/97 10/09/97 10/14/97 12/29/97 10/17/97 11/20/97 10/10/97 10/21/97 10/21/97 11/03/97 10/27/97 10/15/97 10/07/97 10/07/97 10/08/97 10/20/97 12/31/97 10/31/97 10/08/97 10/21/97 10/14/97 10/14/97 10/13/97 10/08/97 10/13/97 10/13/97 10/27/97 10/20/97 10/07/97 10/08/97 10/09/97 10/31/97 10/22/97 10/24/97 11/05/97 10/28/97 10/22/97 10/24/97 3H pCi/L ±2u 12 86 -46 86 104 89 56 83 -2 81 73 84 7 81 -29 83 101 86 93 82 51 81 -15 83 -21 83 -57 81 89 84 10 83 115 84 269 96 62 80 -17 82 34 81 105 83 26 83 19 83 153 85 69 82 157 87 1720 130 -27 83 178 89 73 82 110 85 5 81 -6 83 102 83 65 87 156 91 -4 84 73 81 54 81 18 ------- Table 10 (continued) Tritium in Surface Water October - December 1997 Location PA: Philadelphia PA: Philadelphia SC: Columbia SC: Columbia TN: Daisy TN: Oak Ridge TN: Oak Ridge TX: Matagorda VA: Doswell VA: Newport News VT: Vernon WA: Northport WA: Richland WI: Two Creeks WI: Victory WV: Wheeling Source Schuylkill River - Belmont Schuylkill River - Queen Broad River Broad River Tennessee River Clinch River Clinch River Colorado River North Anna River James River Connecticut River Columbia River Columbia River Lake Michigan Mississippi River Ohio River Date Collected 10/24/97 10/24/97 10/20/97 10/21/97 11/07/97 10/09/97 11/15/97 10/08/97 10/01/97 10/13/97 11/26/97 11/18/97 10/06/97 10/14/97 10/13/97 10/07/97 3H pCi/L ±2u 363 92 730 110 140 85 268 89 -17 83 86 84 151 88 39 83 2360 150 10 84 -19 83 115 84 27 85 87 85 39 83 -58 80 19 ------- Table 11 Surface Water Annual Gamma Analysis January - December 1997 Location AL: Decatur AL: Gordon AL: Scottsboro AR: Little Rock CA: Clay Station CA: Diablo Canyon CA: Eureka CA: San Onofre CO: Platteville CT: E. Haddam CT: Waterford FL: Crystal River FL: Ft. Pierce FL: Homestead GA: Baxley IA: Cedar Rapids ID: Buhl IL: Moline IL: Morris IL: Zion KS: Le Roy LA: New Orleans MA: Plymouth MD: Conowingo MD: Lusby ME: Wiscasset MI: Bridgman MI: Charlevoix MI: Monroe MI: S. Haven MN: Monticello Source Tennessee River Chattahoochee River Tennessee River Arkansas River Folsom S. Canal Pacific Ocean Humboldt Bay Pacific Ocean South Platte River Connecticut River Long Island Sound Gulf Of Mexico Atlantic Ocean Biscayne Bay Altamaha River Cedar River Snake River Mississippi River Illinois River Lake Michigan Neosho River Mississippi River Cape Cod Bay Susquehanna River Chesapeake Bay Montseway Bay Lake Michigan Lake Michigan Lake Erie Lake Michigan Mississippi River Date Collected 04/22/97 04/09/97 04/21/97 04/07/97 04/22/97 07/29/97 04/08/97 04/17/97 04/22/97 04/14/97 04/17/97 04/17/97 04/08/97 04/07/97 04/10/97 04/22/97 04/15/97 04/11/97 06/20/97 04/07/97 05/15/97 06/24/97 04/28/97 04/15/97 04/08/97 04/08/97 04/15/97 04/13/97 04/09/97 04/07/97 04/13/97 04/14/97 Specific Gamma Activity Nuclide pCi/L ± 2u ND K40 202 46 ND ND ND ND K40 387 47 K40 321 92 Pb212 3.6 8.2 K40 352 60 T1208 2.4 1.8 T1208 2.9 3.2 ND K40 253 58 T1208 3.7 2.2 ND ND K40 363 47 T1208 6.9 4.7 ND K40 16 39 ND K40 42 58 Pb212 7.1 5.5 T1208 2.4 2.7 ND ND ND ND ND K40 36 45 K40 162 57 ND ND Pb212 2.0 5.4 ND ND Note: ND = Not Detected 20 ------- Table 11 (continued) Surface Water Annual Gamma Analysis January - December 1997 Location MN: Red Wing MS: Port Gibson NC: Charlotte NC: Southport NE: Rulo NJ: Bayside NJ: Oyster Creek NY: Chelsea NY: Croton-On-Hudson NY: Oswego OH: Toledo OR: Bradwood PA: Danville PA: Philadelphia SC: Allendale SC: Columbia SC: Hartsville TN: Kingston TN: Oak Ridge TX: Matagorda VA: Doswell VA: Newport News VT: Vernon WA: Northport WA: Richland WI: Two Creeks WI: Victory Source Mississippi River Mississippi River Catawba River Atlantic Ocean Missouri River Delaware River Oyster Creek Hudson River Hudson River Lake Ontario Lake Erie Columbia River Susquehanna River Schuylkill River - Belmont Delaware River - Baxter Schuylkill River - Queen Lane Savannah River Broad River Lake Robinson Clinch River Clinch River Colorado River North Anna River James River Connecticut River Columbia River Columbia River Lake Michigan Mississippi River Date Collected 04/07/97 04/15/97 04/16/97 04/04/97 04/29/97 06/24/97 06/23/97 04/07/97 06/24/97 06/18/97 04/02/97 04/09/97 04/09/97 04/11/97 04/11/97 04/11/97 04/29/97 04/14/97 04/08/97 04/07/97 06/03/97 04/03/97 05/14/97 04/03/97 04/09/97 04/08/97 04/14/97 04/15/97 04/07/97 Specific Gamma Activity Nuclide pCi/L ± 1u ND Pb212 7.2 8.1 Pb212 4.4 5.5 T1208 2.0 4.2 K40 190 110 Ra224 59 47 K40 43 89 T1208 2.7 2.1 K40 242 62 ND K40 54 52 Pb212 7.6 7.7 Ra224 54 44 ND Pb212 7.1 5.9 T1208 2.6 3.6 ND ND ND Pb212 5.3 7.6 K40 31 53 T1208 1.8 2.0 Pb212 4.1 7.2 Ra224 44 45 ND ND K40 29 39 ND Pb212 7.0 7.0 ND ND ND ND ND K40 17 39 Pb212 4.1 8.4 T1208 4.2 2.9 Note: ND = Not Detected 21 ------- Table 11 (continued) Surface Water Annual Gamma Analysis January - December 1997 Location WV: Wheeling Source Ohio River Date Collected 04/03/97 Specific Gamma Activity Nuclide pCi/L ± 1u ND Note: ND = Not Detected 22 ------- Drinking Water This program monitors ambient radiation levels in drinking water in as many as 78 sites. These data serve to assess trends and anomalies in concentrations, and to compare with standards set forth in the EPA "National Interim Primary Drinking Water Regulations." These regulations provide for approval of supplies when the combined radium-226 and radium-228 levels do not exceed 5 pCi/L, when the gross alpha (excluding radon and uranium) levels do not exceed 15 pCi/L, when tritium levels do not exceed 20,000 pCi/L, when the strontium-90 levels do not exceed 8 pCi/L, and when the gross beta levels do not exceed 50 pCi/L. Grab samples are taken at the 78 sites which are either major population centers or selected nuclear facility environs. The analyses include (a) tritium on a quarterly basis; (b) gross alpha, gross beta, strontium-90, and gamma on annual composites; (c) radium-226 if the gross alpha exceeds 2 pCi/L and radium-228 if the radium-226 falls between 3 and 5 pCi/L; (d) iodine-131 on one quarterly sample per year for each station; and (e) an annual composite for plutonium-238, combined plutonium-239 and 240, and uranium-234, 235, and 238 for stations that demonstrate gross alpha levels greater than 2 pCi/L. From this ERD forward and until further notification, NAREL will no longer report 214Bi/214Pb by gamma scan on the annual composites of the drinking water samples. 23 ------- Table 12 Tritium in Drinking Water October - December 1997 Location AK: Fairbanks AL: Dothan AL: Montgomery AL: Muscle Shoals AL: Scottsboro AR: Little Rock CA: Berkeley CA: Los Angeles CO: Denver CO: Denver CT: Hartford DE: Dover FL: Miami FL: Tampa GA: Baxley GA: Savannah HI: Honolulu IA: Cedar Rapids ID: Boise ID: Idaho Falls IL: Morris IL: W. Chicago KS: Topeka LA: New Orleans MA: Lawrence MD: Baltimore ME: Augusta MI: Detroit MI: Grand Rapids MN: Minneapolis MN: Minneapolis MO: Jefferson City MS: Jackson MS: Port Gibson MT: Helena NC: Charlotte NC: Raleigh ND: Bismarck NE: Lincoln NH: Concord Date Collected 11/04/97 10/01/97 10/23/97 10/07/97 10/06/97 10/09/97 10/07/97 10/06/97 10/10/97 10/10/97 10/06/97 10/14/97 10/07/97 10/30/97 10/07/97 11/20/97 10/03/97 10/13/97 10/06/97 10/20/97 10/03/97 11/03/97 10/03/97 10/03/97 10/09/97 10/03/97 10/07/97 10/09/97 10/16/97 10/20/97 10/27/97 10/06/97 10/08/97 10/07/97 10/22/97 10/08/97 10/09/97 10/07/97 10/24/97 10/03/97 3H pCi/L ±2u -29 -76 40 77 26 58 -58 -41 98 36 14 163 -36 -17 -86 300 -50 12 -62 0 -97 -34 10 -35 -19 -29 9 168 40 -25 63 -46 -43 -94 87 274 69 -63 75 -22 83 85 85 88 87 83 83 82 86 84 89 87 84 83 82 91 86 81 83 85 83 82 84 86 80 83 84 88 86 80 81 77 84 83 82 92 84 78 82 83 24 ------- Table 12 (continued) Tritium in Drinking Water October - December 1997 Location NJ: Trenton NJ: Waretown NM: Santa Fe NV: Las Vegas NY: Niagara Falls NY: Syracuse OH: Cincinnati OH: Columbus OH: E. Liverpool OH: Painesville OH: Toledo OK: Oklahoma City OR: Portland PA: Columbia PA: Harrisburg PA: Harrisburg PA: Philadelphia - Belmont PA: Philadelphia - Baxter PA: Philadelphia - Queen PA: Pittsburgh PC: Corozal RI: Providence SC: Columbia SC: Columbia SC: Jenkinsville SC: Seneca TN: Chattanooga TN: Knoxville TN: Oak Ridge - Anderson Co #768 TN: Oak Ridge - Anderson Co #772 TN: Oak Ridge - Knox Co #371 TN: Oak Ridge - Roane Co #360 TN: Oak Ridge - Roane Co #4442 TX: Austin VA: Doswell WA: Richland WA: Seattle WI: Madison WI: Madison Date Collected 12/16/97 12/16/97 10/28/97 10/06/97 10/20/97 10/20/97 12/01/97 12/10/97 11/26/97 10/06/97 10/06/97 10/22/97 10/06/97 10/24/97 10/21/97 10/24/97 10/24/97 10/24/97 10/24/97 11/26/97 10/07/97 10/03/97 10/06/97 10/13/97 10/08/97 10/02/97 10/06/97 10/06/97 11/12/97 11/12/97 11/12/97 11/13/97 11/13/97 10/09/97 12/29/97 10/06/97 10/06/97 10/08/97 10/13/97 3H pCi/L ±2u -16 -38 4 37 123 35 -30 38 7 108 72 31 -70 21 111 4 579 29 620 29 -87 26 400 -29 111 29 27 -93 61 79 67 44 132 33 28 150 12 -54 -27 80 80 84 78 84 86 82 82 84 88 88 80 81 85 86 84 98 80 100 84 82 81 100 81 84 89 89 82 82 83 82 81 85 82 81 86 84 79 80 25 ------- Table 13 Iodine-131 in Drinking Water January - December 1997 Location AK: Fairbanks AL: Dothan AL: Dothan AL: Montgomery AL: Muscle Shoals AL: Scottsboro AR: Little Rock CA: Berkeley CA: Los Angeles CO: Denver CO: Platteville CT: Hartford DC: Washington DE: Dover DE: Dover FL: Miami FL: Miami FL: Tampa GA: Baxley GA: Baxley GA: Savannah HI: Honolulu IA: Cedar Rapids ID: Boise ID: Boise ID: Idaho Falls IL: W. Chicago KS: Topeka KS: Topeka LA: New Orleans MA: Lawrence MD: Baltimore MD: Conowingo ME: Augusta ME: Augusta ME: Augusta MI: Detroit MI: Grand Rapids MN: Minneapolis MN: Minneapolis MN: Red Wing Date Collected 01/07/97 04/09/97 07/03/97 01/23/97 01/22/97 07/16/97 01/03/97 10/07/97 01/06/97 01/10/97 01/10/97 04/02/97 01/08/97 04/09/97 07/15/97 01/22/97 07/02/97 10/30/97 04/22/97 07/09/97 03/26/97 10/03/97 10/13/97 04/07/97 10/06/97 01/30/97 01/10/97 01/02/97 07/02/97 07/07/97 02/18/97 07/02/97 01/21/97 01/09/97 03/20/97 04/10/97 04/04/97 10/16/97 10/20/97 10/27/97 07/14/97 Blj pCi/L ± 0.039 0.03 -0.04 -0.02 -0.34 0.014 0.05 0.00 -0.09 0.05 0.03 -0.10 0.21 0.08 0.043 0.08 -0.02 0.13 -0.01 -0.25 -0.13 -0.09 0.14 -0.050 0.06 -0.017 -0.9 -0.03 0.02 0.02 0.11 0.10 0.081 0.21 -0.07 0.14 -0.03 -0.17 -0.03 0.012 -0.02 2u 0.086 0.12 0.11 0.16 0.34 0.090 0.27 0.11 0.10 0.28 0.12 0.14 0.27 0.11 0.098 0.13 0.11 0.14 0.26 0.25 0.11 0.15 0.20 0.095 0.13 0.092 1.3 0.23 0.11 0.17 0.13 0.10 0.091 0.14 0.12 0.11 0.12 0.41 0.11 0.074 0.11 26 ------- Table 13 (continued) Iodine-131 in Drinking Water January - December 1997 Location MO: Jefferson City MO: Jefferson City MS: Jackson MS: Port Gibson MT: Helena MT: Helena NC: Charlotte NC: Raleigh NC: Wilmington ND: Bismarck NE: Lincoln NH: Concord NJ: Trenton NJ: Waretown NM: Santa Fe NV: Las Vegas NY: Albany NY: Niagara Falls NY: Niagara Falls NY: Syracuse OH: Cincinnati OH: E. Liverpool OH: E. Liverpool OH: E. Liverpool OH: Painesville OH: Painesville OH: Painesville OH: Toledo OK: Oklahoma City OR: Portland PA: Columbia PA: Harrisburg PA: Philadelphia - Baxter PA: Philadelphia - Queen Lane PA: Philadelphia PA: Pittsburgh PC: Corozal RI: Providence RI: Providence SC: Barnwell SC: Columbia Date Collected 01/02/97 04/02/97 01/10/97 10/07/97 06/04/97 10/22/97 01/08/97 10/09/97 07/11/97 01/02/97 01/30/97 01/02/97 12/16/97 12/16/97 04/09/97 01/06/97 07/07/97 01/02/97 10/20/97 01/17/97 02/25/97 02/13/97 03/20/97 04/18/97 01/09/97 03/20/97 04/04/97 01/03/97 05/14/97 01/08/97 01/23/97 01/23/97 01/10/97 01/10/97 04/11/97 02/13/97 10/07/97 04/07/97 10/03/97 01/14/97 01/02/97 Blj pCi/L ± 0.18 0.09 -0.10 0.06 0.34 0.09 -0.083 0.01 0.16 0.05 0.030 0.15 0.17 0.29 0.05 -0.02 0.03 0.06 0.03 -0.01 -0.02 0.43 0.26 0.39 0.17 0.07 0.19 0.00 0.14 0.05 0.07 0.01 0.08 -0.08 0.36 -0.01 0.02 0.01 0.59 -0.01 0.23 2u 0.22 0.14 0.28 0.11 0.12 0.18 0.076 0.26 0.11 0.32 0.095 0.28 0.33 0.32 0.13 0.10 0.15 0.21 0.14 0.10 0.13 0.11 0.13 0.12 0.13 0.11 0.18 0.26 0.12 0.14 0.12 0.13 0.30 0.28 0.11 0.13 0.11 0.10 0.25 0.29 0.20 27 ------- Table 13 (continued) Iodine-131 in Drinking Water January - December 1997 Location SC: Columbia SC: Jenkinsville SC: Jenkinsville SC: Seneca TN: Chattanooga TN: Knoxville TN: Oak Ridge - Roane Co #360 TN: Oak Ridge - Roane Co #4442 TN: Oak Ridge - Anderson Co #768 TN: Oak Ridge - Knox Co #371 TN: Oak Ridge - Anderson Co #772 TX: Austin VA: Doswell VA: Doswell WA: Richland WA: Seattle WI: Madison WI: Madison WI: Madison Date Collected 04/04/97 04/24/97 07/08/97 07/02/97 01/06/97 01/02/97 03/26/97 03/26/97 06/18/97 06/18/97 11/12/97 02/24/97 01/23/97 12/29/97 04/14/97 01/02/97 04/09/97 07/03/97 10/13/97 Blj pCi/L ±2u -0.04 0.00 0.09 0.15 0.08 0.14 0.06 0.02 0.30 0.139 -0.01 0.14 0.00 0.04 -0.045 -0.20 0.02 -0.007 0.14 0.11 0.32 0.23 0.10 0.46 0.26 0.11 0.11 0.12 0.095 0.11 0.19 0.11 0.19 0.089 0.31 0.11 0.097 0.20 28 ------- Table 14 Plutonium and Uranium Analyses Selected Drinking Water Composite Samples January - December 1997 Location CA: Los Angeles GA: Baxley ID: Idaho Falls IL: Morris IL: W. Chicago MN: Red Wing NE: Lincoln NM: Santa Fe NV: Las Vegas SC: Jenkinsville WI: Genoa WI: Madison pCi/L ± 1u 0.006 0.013 0.006 0.012 -0.003 0.013 0.009 0.018 0.014 0.027 0.033 0.031 -0.0040 0.0064 0.009 0.013 0.0001 0.0086 -0.0047 0.0060 0.010 0.011 0.002 0.010 239-240p pCi/L ± 1u 0.0000 0.0043 0.0000 0.0037 0.0018 0.0057 -0.0015 0.0022 0.0041 0.0081 -0.0104 0.0074 -0.0006 0.0011 0.0024 0.0054 0.0011 0.0035 0.0042 0.0056 -0.0005 0.0011 0.0035 0.0054 234U pCi/L ± 1u 1.78 0.19 0.144 0.042 0.80 0.13 0.60 0.11 1.42 0.24 0.43 0.12 5.11 0.46 6.57 0.52 2.76 0.32 0.596 0.089 0.63 0.12 1.25 0.17 235U pCi/L ± 1u 0.098 0.043 0.035 0.022 0.027 0.025 0.033 0.027 0.040 0.040 0.028 0.039 0.358 0.099 0.285 0.077 0.061 0.043 0.027 0.020 0.115 0.056 0.016 0.018 238U pCi/L ± 1u 1.48 0.17 0.065 0.028 0.306 0.075 0.030 0.024 0.140 0.070 0.113 0.062 3.26 0.33 3.65 0.33 1.55 0.22 0.277 0.059 0.345 0.088 0.255 0.069 Note: NA = No Analysis 29 ------- Table 15 Drinking Water Alpha, Beta, and Sr-90 Concentrations January - December 1997 Composites Location AK: Fairbanks AL: Dothan AL: Montgomery AL: Muscle Shoals AL: Scottsboro AR: Little Rock CA: Berkeley CA: Los Angeles CO: Denver CO: Platteville CT: Hartford DC: Washington DE: Dover FL: Miami FL: Tampa GA: Baxley GA: Savannah HI: Honolulu IA: Cedar Rapids ID: Boise ID: Idaho Falls IL: Morris IL: W. Chicago KS: Topeka LA: New Orleans MA: Lawrence MD: Baltimore MD: Conowingo ME: Augusta MI: Detroit MI: Grand Rapids MN: Minneapolis MN: Red Wing MO: Jefferson City MS: Jackson MS: Port Gibson MT: Helena Total Solids (mg/L) 65.3 66.8 25.3 33.3 42.7 16.5 39.7 76.7 82.0 5.0 13.1 71.0 78.2 55.4 90.2 81.5 54.2 63.0 60.7 36.9 85.0 67.0 74.1 86.1 75.8 44.8 44.1 82.4 37.5 40.5 60.1 43.7 79.1 93.2 43.0 57.9 34.9 Gross Beta pCi/L ± 1u 3.71 0.68 1.87 0.68 1.12 0.48 1.25 0.57 1.46 0.48 0.46 0.43 0.76 0.47 8.5 1.7 2.09 0.60 0.3 2.0 1.04 0.46 2.08 0.58 3.17 0.97 2.05 0.71 3.00 0.94 2.98 0.68 1.89 0.56 1.56 0.66 2.30 0.60 1.83 0.57 4.5 1.1 13.0 2.4 14.6 1.8 7.8 1.5 3.20 0.79 1.88 0.56 2.12 0.60 3.15 0.89 1.46 0.55 1.59 0.52 1.88 0.57 2.05 0.58 14.2 1.7 7.2 1.2 2.20 0.55 1.7 1.0 1.53 0.51 Gross Alpha pCi/L ± 1u 0.18 0.47 0.11 0.94 0.02 0.21 -0.17 0.27 -0.253 0.048 -0.02 0.16 0.43 0.44 5.9 2.8 0.52 0.76 0.7 1.8 -0.06 0.18 -0.33 0.32 0.3 1.0 1.05 0.81 0.9 1.1 3.2 1.5 0.06 0.41 0.25 0.69 -0.10 0.31 0.97 0.58 4.1 2.1 11.4 4.2 20.7 4.3 0.8 1.8 -0.31 0.95 0.98 0.63 0.29 0.44 0.73 0.96 -0.01 0.30 -0.05 0.27 0.21 0.50 0.10 0.39 27.4 4.6 1.7 1.5 -0.08 0.21 1.6 1.4 0.48 0.43 90Sr pCi/L ± 1u 0.06 0.24 -0.10 0.24 0.02 0.29 0.31 0.32 -0.09 0.27 0.02 0.25 0.08 0.21 0.11 0.21 0.16 0.24 0.35 0.26 0.05 0.20 -0.03 0.83 0.21 0.42 -0.13 0.21 0.01 0.32 -0.23 0.25 NR NR -0.06 0.19 0.11 0.19 -0.12 0.21 -0.13 0.22 -0.19 0.45 -0.11 0.18 0.01 0.20 0.06 0.24 0.37 0.37 -0.11 0.54 0.10 0.23 0.17 0.24 0.30 0.25 0.25 0.25 -0.01 0.21 0.08 0.18 0.22 0.23 0.27 0.25 -0.16 0.30 0.14 0.25 Note: NR = No Result 30 ------- Table 15 (continued) Drinking Water Alpha, Beta, and Sr-90 Concentrations January - December 1997 Composites Location NC: Charlotte NC: Wilmington ND: Bismarck NE: Lincoln NH: Concord NJ: Trenton NJ: Waretown NM: Santa Fe NV: Las Vegas NY: Albany NY: Niagara Falls NY: Syracuse OH: Cincinnati OH: Columbus OH: E. Liverpool OH: Paine sville OH: Toledo OK: Oklahoma City OR: Portland PA: Columbia PA: Harrisburg PA: Philadelphia - Belmont PA: Philadelphia - Queen PA: Philadelphia - Baxter PA: Pittsburgh PC: Corozal RI: Providence SC: Barnwell SC: Columbia SC: Jenkinsville SC: Seneca TN: Chattanooga TN: Knoxville TN: Oak Ridge - Anderson Co #768 TN: Oak Ridge - Anderson Co #772 TN: Oak Ridge - Roane Co #4442 TN: Oak Ridge - Roane Co #360 Total Solids (mg/L) 21.4 60.9 87.8 79.9 42.4 47.4 27.0 82.4 96.1 36.5 49.8 49.2 74.0 72.9 67.3 47.0 37.6 32.6 11.5 8.6 94.6 82.4 72.0 35.6 61.0 38.1 32.7 25.5 40.0 54.9 15.2 37.1 47.9 48.0 65.2 55.2 35.0 Gross Beta pCi/L ± 1u 1.52 0.52 3.07 0.65 4.4 1.0 10.1 1.6 1.02 0.50 1.75 0.56 2.37 0.59 7.4 1.3 5.9 1.9 1.06 0.51 2.19 0.59 3.03 0.65 2.29 0.69 4.6 1.2 1.66 0.65 2.37 0.71 1.63 0.51 2.72 0.59 1.48 0.51 0.53 0.58 1.84 0.84 1.8 1.1 4.1 1.1 1.62 0.98 2.49 0.86 0.59 0.43 1.14 0.48 1.41 0.55 2.24 0.60 3.38 0.80 1.06 0.48 1.89 0.57 2.22 0.60 2.41 0.60 2.22 0.61 3.86 0.70 2.60 0.62 Gross Alpha pCi/L ± 1u 0.12 0.27 -0.05 0.45 0.7 1.2 9.9 3.3 0.06 0.54 0.65 0.54 0.50 0.43 9.6 2.8 4.8 3.6 -0.01 0.33 0.30 0.47 1.67 0.79 0.32 0.66 1.4 1.4 0.27 0.59 0.16 0.74 0.21 0.36 0.64 0.44 0.99 0.50 0.30 0.37 0.3 1.1 -0.6 2.4 0.0 1.1 0.00 0.83 0.62 0.82 0.13 0.35 0.03 0.25 0.59 0.49 0.08 0.38 3.8 1.3 0.26 0.31 0.71 0.49 0.34 0.44 1.05 0.67 1.37 0.94 0.88 0.72 0.73 0.61 90Sr pCi/L ± 1u -0.17 0.30 0.55 0.33 0.03 0.21 0.11 0.23 0.10 0.22 0.30 0.37 -0.13 0.46 0.02 0.25 -0.02 0.23 0.05 0.26 -0.07 0.29 0.42 0.28 0.48 0.48 0.35 0.94 0.20 0.87 0.60 0.51 0.69 0.56 0.37 0.28 0.05 0.22 0.20 0.21 -0.02 0.19 -0.06 0.19 0.13 0.18 0.13 0.22 0.03 0.20 0.01 0.19 0.16 0.21 0.01 0.20 0.29 0.21 0.06 0.23 0.26 0.25 0.05 0.20 0.16 0.23 0.14 0.26 0.02 0.27 0.42 0.28 -0.20 0.22 31 ------- 32 ------- Table 15 (continued) Drinking Water Alpha, Beta, and Sr-90 Concentrations January - December 1997 Composites Location TN: Oak Ridge - Knox Co #371 TX: Austin VA: Doswell VA: Lynchburg WA: Richland WA: Seattle WI: Genoa WI: Madison Total Solids (mg/L) 55.7 63.5 73.1 30.5 31.5 13.3 74.0 64.9 Gross Beta pCi/L ± 1u 1.88 0.58 3.34 0.77 5.17 0.90 0.79 0.44 1.92 0.58 1.34 0.52 1.63 0.55 2.41 0.94 Gross Alpha pCi/L ± 1u 1.73 0.89 0.46 0.64 0.39 0.83 -0.06 0.17 0.70 0.55 1.07 0.51 2.5 1.1 4.5 1.9 90Sr pCi/L ± 1u -0.06 0.23 -0.01 0.19 -2.1 2.9 0.57 0.52 -0.15 0.28 0.04 0.24 -0.03 0.23 0.11 0.22 33 ------- Table 16 Drinking Water Radium and Gamma-Emitting Radionuclides January - December 1997 Composites Location AK: Fairbanks AL: Dothan AL: Montgomery AL: Muscle Shoals AL: Scottsboro AR: Little Rock CA: Berkeley CA: Los Angeles CO: Denver CO: Platteville CT: Hartford DC: Washington DE: Dover FL: Miami FL: Tampa GA: Baxley GA: Savannah HI: Honolulu IA: Cedar Rapids ID: Boise ID: Idaho Falls IL: Morris IL: W. Chicago KS: Topeka LA: New Orleans MA: Lawrence MD: Baltimore MD: Conowingo ME: Augusta MI: Detroit MI: Grand Rapids MN: Minneapolis MN: Red Wing MO: Jefferson City 226Ra pCi/L ±2u NA NA NA NA NA NA NA 0.146 0.015 NA NA NA NA NA NA NA 1.573 0.059 NA NA NA NA 0.087 0.011 1.664 0.057 6.89 0.22 NA NA NA NA NA NA NA NA NA 3.77 0.11 NA 228Ra pCi/L ±2u NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Specific Gamma Activity Nuclide pCi/L ± 2u ND ND K40 10 13 Pb212 5.4 6.7 ND ND ND ND ND ND ND ND ND T1208 4.4 4.4 ND ND ND ND ND ND K40 57 68 K40 12 14 Pb212 4.4 3.2 T1208 2.6 2.0 T1208 2.0 2.1 ND ND ND ND ND ND ND ND ND ND ND Note: ND = Not Detected NA = No Analysis 34 ------- 35 ------- Table 16 (continued) Drinking Water Radium and Gamma-Emitting Radionuclides January - December 1997 Composites Location MS: Jackson MS: Port Gibson MT: Helena NC: Charlotte NC: Wilmington ND: Bismarck NE: Lincoln NH: Concord NJ: Trenton NJ: Waretown NM: Santa Fe NV: Las Vegas NY: Albany NY: Niagara Falls NY: Syracuse OH: Cincinnati OH: Columbus OH: E. Liverpool OH: Painesville OH: Toledo OK: Oklahoma City OR: Portland PA: Columbia PA: Harrisburg PA: Philadelphia - Belmont PA: Philadelphia - Queen PA: Philadelphia - Baxter PA: Pittsburgh PC: Corozal RI: Providence SC: Barnwell SC: Columbia SC: Jenkinsville 226Ra pCi/L ±2u NA NA NA NA NA NA 0.059 0.0091 NA NA NA 0.137 0.013 0.161 0.014 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.294 0.018 228Ra pCi/L ±2u NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Specific Gamma Activity Nuclide pCi/L ± 2u ND ND ND ND ND Pb212 3.8 5.5 ND ND ND ND ND K40 11 13 T1208 1.6 2.1 Pb212 4.0 3.5 Pb212 4.9 3.5 ND T1208 1.8 2.1 K40 11 12 Pb212 3.2 3.3 ND ND K40 18 28 ND T1208 1.8 2.2 ND K40 24 42 ND K40 26 37 T1208 2.9 4.6 ND ND ND ND ND ND ND Note: ND = Not Detected NA = No Analysis 36 ------- 37 ------- Table 16 (continued) Drinking Water Radium and Gamma-Emitting Radionuclides January - December 1997 Composites Location SC: Seneca TN: Chattanooga TN: Knoxville TN: Oak Ridge - Anderson Co #768 TN: Oak Ridge - Anderson Co #772 TN: Oak Ridge - Roane Co #4442 TN: Oak Ridge - Roane Co #360 TN: Oak Ridge - Knox Co #371 TX: Austin VA: Doswell VA: Lynchburg WA: Richland WA: Seattle WI: Genoa WI: Madison 226Ra pCi/L ±2u NA NA NA NA NA NA NA NA NA NA NA NA NA 0.592 0.028 0.503 0.026 228Ra pCi/L ±2u NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA Specific Gamma Activity Nuclide pCi/L ± 2u ND K40 23 42 ND ND ND ND ND K40 64 64 ND ND ND K40 29 56 ND ND ND Note: ND = Not Detected NA = No Analysis 38 ------- (This page intentionally left blank) 3. Milk Program Pasteurized Milk Milk is a reliable indicator of the general population's intake of radionuclides since it is consumed fresh by a large segment of the population and can contain several of the biologically significant radionuclides that result from environmental releases from nuclear activities. A primary function of this program is to obtain reliable monitoring data relative to current radionuclide concentrations and determine any long-term trends. Monthly samples are collected at approximately 55 sampling sites. The samples are composited, according to production, from the major milk suppliers representing more than 80 percent of the milk consumed in a given population center. The samples are analyzed for gamma-emitting nuclides, including iodine-131, barium-140, cesium-137, and potassium-40. Total potassium concentrations in g/L are determined from potassium-40 activities assuming natural isotopic abundances. All samples collected in July are analyzed for strontium-90. Iodine-131, barium-140, cesium-137, and potassium-40 are determined by gamma spectral analysis. Strontium-90 is determined by beta counting a total strontium precipitate that has been chemically separated by ion exchange. 39 ------- Table 17 Radionuclides in Pasteurized Milk October 1997 Location AR: Little Rock AZ: Phoenix CA: Los Angeles CA: Sacramento CA: San Francisco CO: Denver DE: Dover FL: Tampa GA: Atlanta HI: Honolulu IA: Des Moines IN: Indianapolis KS: Wichita KY: Louisville MA: Boston MD: Baltimore MI: Detroit MI: Grand Rapids MO: Kansas City MS: Jackson NC: Charlotte ND: Minot NJ: Trenton NM: Albuquerque NV: Las Vegas NY: Buffalo NY: Syracuse OH: Cincinnati OH: Cleveland OR: Portland OR: Portland PA: Philadelphia PC: Cristobal PR: San Juan SC: Charleston TN: Knoxville TX: Austin TX: Ft. Worth VT: Montpelier Date Collected 10/08/97 10/29/97 10/06/97 10/15/97 10/09/97 10/14/97 10/27/97 10/07/97 10/27/97 10/27/97 10/13/97 10/14/97 10/15/97 10/15/97 10/10/97 10/02/97 10/07/97 10/06/97 10/14/97 10/07/97 10/06/97 10/06/97 10/06/97 10/07/97 10/06/97 10/10/97 10/06/97 10/15/97 10/06/97 10/02/97 10/31/97 10/09/97 10/20/97 10/10/97 10/08/97 10/21/97 10/07/97 10/20/97 10/22/97 K g/L ±2u 1.621 0.049 1.668 0.093 1.704 0.093 1.644 0.093 1.668 0.050 1.680 0.083 1.609 0.082 1.644 0.049 1.656 0.082 1.56 0.12 1.632 0.049 1.644 0.048 1.656 0.049 1.621 0.080 1.609 0.048 1.609 0.050 1.656 0.049 1.621 0.088 1.597 0.048 1.656 0.049 1.656 0.049 1.656 0.049 1.597 0.049 1.585 0.048 1.668 0.050 1.609 0.088 1.668 0.049 1.632 0.084 1.644 0.049 1.716 0.050 1.740 0.069 1.740 0.050 1.668 0.082 1.597 0.048 1.644 0.049 1.609 0.079 1.644 0.049 1.668 0.081 1.632 0.082 137Cs pCi/L ±2u ND ND ND ND ND ND ND 2.8 1.7 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 9.3 2.4 ND ND ND ND ND ND 140Ba pCi/L ±2u ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND Blj pCi/L ±2u ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND Note: ND = Not Detected 40 ------- Table 17 (continued) Radionuclides in Pasteurized Milk October 1997 Location WA: Seattle WA: Spokane WV: Charleston Date Collected 10/06/97 10/07/97 10/06/97 K g/L ±2u 1.644 0.049 1.585 0.049 1.63 0.15 137Cs pCi/L ±2u ND ND ND 140Ba pCi/L ±2u ND ND ND Blj pCi/L ±2u ND ND ND Note: ND = Not Detected 41 ------- Table 18 Radionuclides in Pasteurized Milk November 1997 Location AL: Montgomery AR: Little Rock CA: Los Angeles CA: Sacramento CA: San Francisco CO: Denver DE: Dover FL: Tampa GA: Atlanta HI: Honolulu IA: Des Moines IL: Chicago KS: Wichita KY: Louisville MA: Boston MD: Baltimore ME: Portland MI: Detroit MI: Grand Rapids MN: St. Paul MO: Kansas City MS: Jackson NC: Charlotte ND: Minot NJ: Trenton NV: Las Vegas NY: Buffalo NY: Syracuse OH: Cincinnati OH: Cleveland PA: Philadelphia PA: Pittsburgh PC: Cristobal PR: San Juan SC: Charleston TN: Chattanooga TN: Knoxville TX: Austin VA: Norfolk Date Collected 11/06/97 11/05/97 11/05/97 11/12/97 11/05/97 11/12/97 11/19/97 11/05/97 11/24/97 11/13/97 11/10/97 11/06/97 11/05/97 11/10/97 11/05/97 11/07/97 11/13/97 11/10/97 11/07/97 11/03/97 11/13/97 11/04/97 11/04/97 11/07/97 11/07/97 11/03/97 11/07/97 11/06/97 11/10/97 11/12/97 11/06/97 11/04/97 11/13/97 11/06/97 11/07/97 11/03/97 11/03/97 11/05/97 11/04/97 K g/L ±2u 1.597 0.048 1.597 0.080 1.692 0.050 1.609 0.049 1.668 0.050 1.58 0.15 1.609 0.082 1.668 0.084 1.549 0.069 1.597 0.088 1.644 0.068 1.585 0.080 1.656 0.067 1.561 0.080 1.644 0.049 1.68 0.15 1.692 0.050 1.609 0.082 1.68 0.12 1.644 0.049 1.621 0.049 1.621 0.049 1.644 0.049 1.621 0.081 1.621 0.048 1.597 0.048 1.656 0.090 1.621 0.088 1.644 0.049 1.668 0.049 1.644 0.090 1.561 0.091 1.668 0.049 1.668 0.049 1.609 0.048 1.597 0.078 1.632 0.068 1.609 0.048 1.621 0.093 137Cs pCi/L ±2u ND ND ND ND ND ND ND 5.1 2.4 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 7.2 1.5 ND ND ND ND ND ND 140Ba pCi/L ±2u ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND Blj pCi/L ±2u ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND Note: ND = Not Detected 42 ------- Table 18 (continued) Radionuclides in Pasteurized Milk November 1997 Location VT: Montpelier WA: Seattle WV: Charleston Date Collected 11/24/97 11/04/97 11/04/97 K g/L ±2u 1.609 0.081 1.644 0.050 1.585 0.089 137Cs pCi/L ±2u ND ND ND 140Ba pCi/L ±2u ND ND ND Blj pCi/L ±2u ND ND ND Note: ND = Not Detected 43 ------- Table 19 Radionuclides in Pasteurized Milk December 1997 Location AL: Montgomery AR: Little Rock CA: Los Angeles CA: Sacramento CA: San Francisco CO: Denver CT: Hartford DE: Dover FL: Miami FL: Tampa GA: Atlanta HI: Honolulu IL: Chicago IN: Indianapolis KS: Wichita KY: Louisville MA: Jamaica Plains MD: Baltimore MI: Detroit MI: Grand Rapids MN: St. Paul MO: Kansas City MS: Jackson NC: Charlotte ND: Minot NJ: Trenton NM: Albuquerque NV: Las Vegas NY: Buffalo NY: Syracuse OH: Cincinnati OH: Cleveland OR: Portland PA: Philadelphia PA: Pittsburgh PR: San Juan SC: Charleston TN: Chattanooga TN: Chattanooga Date Collected 12/03/97 12/03/97 12/10/97 12/29/97 12/04/97 12/07/97 12/01/97 12/09/97 12/17/97 12/09/97 12/19/97 12/05/97 12/04/97 12/08/97 12/09/97 12/03/97 12/08/97 12/05/97 12/02/97 12/08/97 12/01/97 12/09/97 12/02/97 12/02/97 12/04/97 12/03/97 12/15/97 12/04/97 12/04/97 12/08/97 12/15/97 12/01/97 12/02/97 12/04/97 12/10/97 12/19/97 12/15/97 12/08/97 12/31/97 K g/L ±2u 1.621 0.083 1.621 0.082 1.668 0.089 1.573 0.080 1.621 0.092 1.51 0.15 1.632 0.069 1.644 0.093 1.561 0.091 1.680 0.084 1.549 0.082 1.609 0.080 1.561 0.089 1.573 0.080 1.644 0.069 1.632 0.094 1.609 0.088 1.58 0.12 1.67 0.12 1.740 0.083 1.573 0.093 1.597 0.089 1.50 0.12 1.668 0.083 1.609 0.083 1.704 0.070 1.573 0.088 1.597 0.068 1.632 0.083 1.585 0.079 1.656 0.069 1.64 0.15 1.704 0.081 1.573 0.089 1.585 0.092 1.716 0.083 1.621 0.089 1.585 0.089 1.716 0.081 137Cs pCi/L ±2u ND ND ND ND ND ND ND ND 5.5 2.6 4.3 2.6 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 140Ba pCi/L ±2u ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND Blj pCi/L ±2u ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND Note: ND = Not Detected 44 ------- Table 19 (continued) Radionuclides in Pasteurized Milk December 1997 Location TN: Knoxville TN: Knoxville TN: Memphis TX: Austin TX: Ft. Worth VA: Norfolk VT: Burlington WA: Seattle WA: Spokane WV: Charleston Date Collected 12/15/97 12/31/97 12/15/97 12/23/97 12/17/97 12/03/97 12/23/97 12/02/97 12/08/97 12/02/97 K g/L ±2u 1.573 0.080 1.573 0.092 1.585 0.089 1.621 0.092 1.573 0.082 1.56 0.15 1.632 0.082 1.644 0.094 1.704 0.084 1.57 0.15 137Cs pCi/L ±2u ND ND ND ND ND ND ND ND ND ND 140Ba pCi/L ±2u ND ND ND ND ND ND ND ND ND ND Blj pCi/L ±2u ND ND ND ND ND ND ND ND ND ND Note: ND = Not Detected 45 ------- (This page intentionally left blank) 46 ------- For More Information Environmental Radiation Data (ERD) is published quarterly by the U.S. Environmental Protection Agency's Office of Radiation and Indoor Air. Requests for information concerning the operation of ERAMS and the data that are generated should be directed as follows: For System Operations For Analytical Information and Data- Rhonda Sears John Griggs National Air and Radiation Environmental National Air and Radiation Environmental Laboratory Laboratory 540 South Morris Avenue 540 South Morris Avenue Montgomery, Alabama 36115-2601 Montgomery, Alabama 36115-2601 e-mail: sears.rhonda@epa.gov e-mail: griggs.john@epa.gov Requests for information concerning publication and distribution of ERD should be directed to: Charles M. Petko Office of the Director National Air and Radiation Environmental Laboratory 540 South Morris Avenue Montgomery, Alabama 36115-2601 e-mail: petko.charles@epa.gov Requests for information concerning policies of the Office of Radiation and Indoor Air should be directed to: William C. Conklin USEPA - ORIA Center for Emergency Preparedness and Clean Materials Radiation Protection Division (MC66085) 501 Third Street, N.W. Washington, DC 20001 e-mail: conklin.craig@epa.gov *** ------- (This page intentionally left blank) ------- Contents Page List of Tables v Preface vii Acknowledgments ix Data Reporting Conventions xi 1. Air Program 1 Airborne Particulates and Precipitation 1 Plutonium and Uranium in Airborne Particulates and Precipitation 13 2. Water Program 17 Surface Water 17 Drinking Water 23 3. Milk Program 37 Pasteurized Milk 37 in ------- (This page intentionally left blank) ------- List of Tables Table Page 1 Reporting Units and Minimum Detectable Concentrations xiii 2 Gross Beta in Airborne Particulates: October 1997 2 3 Gross Beta in Airborne Particulates: November 1997 4 4 Gross Beta in Airborne Particulates: December 1997 6 5 Gross Beta and Specific Gamma in Precipitation: October 1997 8 6 Gross Beta and Specific Gamma in Precipitation: November 1997 9 7 Gross Beta and Specific Gamma in Precipitation: December 1997 10 8 Tritium in Precipitation: October - December 1997 11 9 Plutonium and Uranium in Airborne Particulates: January - December 1997 Composites 14 10 Tritium in Surface Water: October - December 1997 18 11 Surface Water Annual Gamma Analysis: January -December 1997 20 12 Tritium in Drinking Water: October - December 1997 24 13 Iodine-131 in Drinking Water: January - December 1997 26 14 Plutonium and Uranium Analyses of Selected Drinking Water Composite Samples: January - December 1997 29 15 Alpha, Beta, and Sr-90 Concentrations in Drinking Water: January - December 1997 Composites 30 16 Radium-226, -228 and Gamma-Emitting Radionuclides in Drinking Water: January - December 1997 Composites 33 17 Radionuclides in Pasteurized Milk: October 1997 38 18 Radionuclides in Pasteurized Milk: November 1997 40 19 Radionuclides in Pasteurized Milk: December 1997 42 ------- (This page intentionally left blank) ------- |