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pdf Solubility Evaluation of Plutonium and Americium in Waste Material
In 1991, GEL began offering radioanalytical services and today is widely regarded as one of the largest, most proficient, and best equipped commercial radiochemistry laboratories in the United States. GEL specializes in providing radioanalytical services to customers who need accurate data to make informed decisions. We have developed innovative methods that provide information for routine to highly customized analysis. GEL has been involved in studies to determine cesium 137 in bee pollen, thorium isotopes in automotive headlamps, and the amount of trace plutonium in uranium compounds removed from a decommissioning project. Our flexibility in meeting special needs has been proven throughout our company history and extensive testing has been conducted to verify the reliability and accuracy of our procedures now in use at major radiological sites across the United States.

GEL has pioneered the development of many proprietary radiochemistry methods based on DOE and EPA reference methods. GEL supplies a full range of analyses in the areas of :
  • Alpha spectrometry
  • Liquid scintillation counting
  • Gamma spectrometry
  • Gas flow proportional counting
  • X-Ray spectrometry
  • Radon emanation
  • Laser kinetic phosphorimetry
  • ICP-MS
These analyses are available on a wide variety of matrices including water, air, filters, sediment, vegetation, milk, biota, bioassay, and waste materials.

Instrumentation:
Radiological instrumentation is maintained to the exacting standards of the regulatory community. With careful attention to calibration intervals and close scrutiny of daily performance, GEL can offer highly defensible and reliable data able to withstand the rigors of any data validation required. We believe that redundancy in equipment is the best manner to ensure client commitments are met. Currently our count rooms are equipped with 26 high purity germanium detectors, 250 alpha spectrometers, 8 liquid scintillation counters, 2 kinetic phosphorescence analyzers and 66 gas flow proportional counters. This capacity allows for a large quantity of samples processed in a short time interval.



Below is a list of the analyses and methods performed at GEL:
Analysis Methods
The Determination of Gross Alpha And Gross Non-Volatile Beta in Water 900.0, 9310
The Determination of Gross Alpha And Gross Non-Volatile Beta in Soil, Filters, Solid Matrices and Direct Count Air Filters 900.0(M), 9310
The Determination of Gross Alpha in Water by Co-precipitation 520/5-84-006 Method 00-02
The Determination of Tritium 600/4-80-032, 906.0(M)
The Determination of Carbon-14 in Water, Soil, Vegetation and Other Solid Matrices N/A
The Determination of Strontium 89/90 in Water, Soil, Milk, Filters, Vegetation and Tissues 905.0(M), DOE RP501 Rev1(M), HASL 300(M)
The Determination of Technitium-99 HASL 300(M) TC-02-RC, DOE RP550(M)
The Determination of Radiometric Iodine 901.1(M), HASL 300(M) I-01
The Determination of Radon-222 in Water SM 7500 Rn-B
The Determination of Radium-226 903.1(M), HASL 300(M) Ra-04-RC
The Determination of Radium-228 in Water and Solids 904.0(M)
Total Alpha Radium Isotopes in Soil and Water 900.1(M)
The Isotopic Determination of Americium, Curium, Plutonium, and Uranium DOE RP800 1997(M), HASL-300 U-02-RC(M)
The Determination of Gamma Isotopes 901.1 (M), HASL-300 (M) Sec. 4.5.2.3
The Determination of Radiometric Polonium HASL-300, Po-01-RC
The Determination of Iodine-131 in Water 902.0, 7500 I- B
The Determination of Lead-210 in Liquid and Solid Matrices N/A
Determination of Phosphorus-32 in Soil and Water N/A
The Determination of Promethium-147 in Soil and Water N/A
Soil Sample Preparation for the Determination of Radionuclides N/A
Soil Sample Ashing for the Determination of Radionuclides N/A
Determination of Ni-59 and Ni-63 N/A
Total Uranium in Environmental Samples by Kinetic Phosphorescence ASTM D 5174-91, 5174-97, 5174-02
The Preparation of Special Matrices for the Determination of Radionuclides N/A
Radium-226 in Drinking Water by EPA Method 903.1 EPA 903.1
The Determination of Strontium-89/90 in Drinking Water by EPA Method 905.0 EPA 905.0
Determination of Radium-228 in Aqueous Samples 904.0, 9320
The Determination of Selenium and Tellurium N/A
The Isotopic Determination of Neptunium/Thorium N/A
Determination of Chlorine-36 in Soil and Water Samples N/A
The Isotopic Determination of Plutonium-241 HASL-300 Pu-11-RC (M)
The Isotopic Determination of Americium, Curium, and Plutonium in Large Soil Samples DOE RP800(M), HASL 300 E-U-04
Radium-226 and Radium-228 in Drinking Water by Sulfate Precipitation and Gamma-Ray Spectrometry N/A
The Isotopic Determination of Thorium/Uranium DOE RP800(M), HASL-300(M) Pu-02-RC, Pu-03-RC
The Determination of Fe-55 in Liquid and Solid Matrices by Liquid Scintillation Counter N/A
The Determination of Total Activity in Solids and Liquids N/A
The Determination of Plutonium, Uranium and Thorium HASL 300
Total Alpha Radium Isotopes In Drinking Water 903.0, 9315, HASL 300(M)
The Isotopic Determination of Plutonium, Uranium, Americium, Curium and Thorium HASL-300 (M)
The Determination of Radium-224 and Radium-226 by Alpha Spectroscopy N/A
48 Hour Rapid Gross Alpha Test N.J.A.C. 7:18, EPA 600/4-80-032, 900.0(M)
The Determination of Calcium-45 in Soils and Waters N/A
The Determination of Sulfur-35 in Liquid Matrices NAS-NS-3054
The Determination of Tritium in Drinking Water Samples 600/4-80-032, 906.0
The Rapid Determination of Strontium 89/90 by Cerenkov Counting N/A
The Determination of Organically Bound Tritium 600\4-80-032, 906.0
Isotopic Determination of Plutonium in Large Water Resin Samples HASL 300 Pu-11-RC
The Sequential Determination of Isotopic Americium, Curium, Californium, Plutonium, Strontium and Uranium in Urine N/A
The Determination of Polonium-210 or Radium-226 in Bioassay Samples N/A
The Determination of Isotopic Thorium and Uranium in Urine Samples N/A
The Determination of Gross Alpha Activity in Nasal Swipes N/A
Bioassay Countroom Alpha Spectroscopy System N/A
The Determination of Thorium in Fecal Samples N/A
The Determination of Tritium in Urine EPA 906
The Ashing of Fecal, Bone, and Tissue Samples N/A
Sequential Determination of Americium, Plutonium, Strontium, Plutonium-241, and Uranium in Fecal, Bone, and Tissue Samples N/A
The Preparation of Synthetic Urine and Fecal Material N/A
The Determination of Technetium-99 in Urine N/A
The Determination of Neptunium in Urine N/A
Operation of the Chemchek Automatic KPA N/A
Total Uranium in Bioassay Samples by Kinetic Phosphorescence ASTM D 5174-02
The Determination of Ni-59 and Ni-63 in Urine N/A
The Determination of Gross Alpha and Gross Non-volatile Beta in Urine EPA 900.0, 9310, EERF 00-01, USGS R-1120-76
The Determination of Carbon-14 in Urine EERF C-01(M)
The Combination and Preservation of Urine Samples N/A
Bioassay Data Review, Validation and Data Package Assembly N/A
Specific Gravity in Urine ASTM D5057
The Determination of Radiometric Iodine in Urine N/A
The Preparation and Determination of Gamma Isotopes in Urine and Fecal Samples EPA 901.1, HASL 300
Bioassay/REMP Quality Control Package Assembly N/A
Concentration of Tritium by Electrolysis HASL H-02-RC, EML-95-110 Rev 2
Bioassay Count Room Alpha Spectrometry Instrument Calibration N/A
The Determination of Metals in Urine by ICP-MS N/A
The Preparation of Urine Samples for Total Uranium Analysis by ICP-MS N/A


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