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  • APNGA American Portable Nuclear Gauge Association

    Accepted Everywhere, Every State. American Portable Nuclear Gauge Association provides a website and association focused on portable nuclear gauge owners and operators. We strive to offer the most in-depth and comprehensive coverage of regulations, issues, references and resources to cover material pertaining to moisture density gauges.

  • 6 Nuclear Density Test Asphalt Test -

    May 02, 2017· About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How works Test new features Press Copyright Contact us Creators ...

  • Geotechnical Field/Lab Technician Resume Example Company ...

    The testing performed includes slump testing, air content using pressure or volumetric methods, unit weight, temperature and molding cylinders. Asphalt testing was performed to ensure the product met the project specification requirements. Temperature and compaction tests using a nuclear density gauge

  • nuclear density gauges are not accurate - Soil testing ...

    Oct 07, 2009· When I get the gauges calibrated (usually 2 or 3 on a job at one time in case 1 goes down) I always ask for the R² value to be included with the calibration. Where this is outside of 95%, re-calibrate the gauge, get a different one and/or look at the material under assessment and see what could be causing the big errors in repetitive readings.

  • Nuclear Density Gauge, Moisture Density Gauge, Nuke Gauge

    Fast and EaZy, full-service Nuclear Gauge Calibration, Leak Tests and Repairs!. Humboldt maintains a complete ISO/IEC 17025: 2005 accredited calibration and repair facility in Raleigh, North Carolina. Here we provide calibrations, repairs and leak tests for all Humboldt gauges, as

  • CMT Technician - Jacksonville

    May 11, 2021· JOBS. Back to Job Search. ... Perform soil density testing using both nuclear gauge and sand cone in accordance with ASTM and project specifications ... Perform Laboratory Testing on soil ...

  • 20 Best nuclear construction jobs (Hiring Now!) | SimplyHired

    1,703 nuclear construction jobs available. See salaries, compare reviews, easily apply, and get hired. New nuclear construction careers are added daily on SimplyHired. The low-stress way to find your next nuclear construction job opportunity is on SimplyHired. There are over 1,703 nuclear construction careers waiting for you to apply!

  • The Importance of Securing Nuclear Density Gauges ...

    Dec 03, 2019· There were two stolen nuclear density gauges used to determine soil compaction in Las Vegas. In addition, Connecticut State Police had to track down a gauge used to test soil density that was stolen along with the vehicle of a lab employee, who had the gauge in the vehicles trunk. ... When the gauge is not in use at a temporary job site, it ...

  • Minimum Job Acceptance Sampling Requirements

    minimum one (1) test per 150 CY; minimum one (1) test per work shift at each location and whenever there is a change in material or compaction equipment/method. One test per 1,500 CY with a minimum one test every 10 days of production . One per 15,000 CY, minimally perform one test in first 5

  • Radiation health hazards with field nuclear densiometer test

    Apr 29, 2011· RE: Radiation health hazards with field nuclear densiometer test Ron (Structural) 24 Mar 11 17:53 Nuclear density gauges emit low levels of radiation, but because of their relatively continuous close proximity and use by the operator, generally require monitoring by the use of dosimeters, film badges or similar.

  • Device Comparison for Determining Field Soil Moisture

    devices tested were the electrical density gauge, and the soil density gauge. The chemical device tested was the S peedy Calcium Carbide soil moisture test. The nuclear device tested was the nuclear density gauge, included for comparison purposes. This investigation consisted of full -scale construction

  • Materials Test Manual | Nevada Department of Transportation

    T102I Method of Test For In-Place Density of Treated and Untreated Soils and Aggregates; T103G Method of Test For Density and Moisture Content of Soils and Aggregates by The Use of Nuclear Density Gauges; T104E Method of Test For Apparent Specific Gravity of Coarse Aggregates; T106B Method of Test For Fabricating Paper Baskets For Stabilometer Specimens; T107B Method of Test


    the soil or soilaggregate mixture to be tested is a clayey material which will not easily mix with water, or where the soil material is fragile and will break apart from the repeated blows of the compaction rammer, it may be necessary to prepare individual portions for each density point.

  • Welcome to Pioneer Laboratory

    Pioneer Laboratory is an independent private testing laboratory based in Doha-Qatar. When it comes to material testing laboratories, Pioneer Laboratory is one for convenience and reliable results that you'll use to make important business decisions. All laboratory testing and calibration work is documented in detailed certified reports.

  • Construction Material Testing Contractor | PA & NY | CCT Labs

    In addition, CCT Labs employs technicians trained to operate and perform in-place field density testing with portable nuclear gauges for compaction and moisture control. CCT Labs provides an unmatched level of performance, accuracy, quality and experience.

  • 12 Nuclear Gauge Testing - Indiana

    12 Nuclear Gauge Testing Nuclear Gauge Basic Gauge Components Source Rod Daily Standard Count Procedure Frequency ... includes making visits to job-sites to observe the handling, transportation, and storage of gauges. Every gauge is required to be ... soil, asphalt, concrete are the choices. INDOT tests are in the soil mode.

  • Southern Engineering Solutions Personal Service ...

    Trained in onsite & in house soil testing. Project involvement has included the testing of onsite compaction of soils with Nuclear gauge, testing of footing with (DCP) Dynamic Cone Penetrometer, and lab testing consisting of Sieve Analysis, Atterberg Limits, Moisture Content, Proctors, Clay Content, & Soil Cement Mix Designs.

  • Construction Material Testing Contractor | PA & NY | CCT Labs

    CCT Labs is a specialized firm that provides independent concrete and soil testing services throughout Western and Central Pennsylvania. CCT Labs is staffed with individuals that have many years experience in concrete construction, concrete testing and field inspection service industries.

  • Nuclear densitometry - Wikipedia

    Nuclear densitometry is a technique used in civil construction and the petroleum industry, as well as for mining and archaeology purposes, to measure the density and inner structure of the test material.The processes uses a nuclear density gauge, which consists of a radiation source that emits particles and a sensor that counts the received particles that are either reflected by the test ...

  • Code of Practice Acceptance of Field Compaction

    4.3. Nuclear Gauge Testing 4.3.1. General The modes or type of gauge shall not be interchanged for the assessment of a test lot. It is preferable to use the same method of compaction assessment for a total job. When testing with a nuclear gauge, the nuclear gauge shall be seated on either fines of the material under test, or fine sand

  • Humboldt EZ Moisture Density Gauge, Nuclear Gauge

    Humboldts durable HS-5001EZ Nuclear Moisture/Density Gauge is easy to operate, easy to power and easy to service. The gauge features a menu-driven control panel with built-in test routines and auto features, making testing a quick and accurate operation.

  • SMAC Testing, Inc | LinkedIn

    SMAC Testing, Inc | 38 followers on LinkedIn. SMAC Testing, Inc. provides construction testing and observation services for owners, engineers, architects and contractors on a wide variety of projects.

  • Soil Testing Equipment, Soil Density Testing

    Humboldt provides a complete line of soil testing products for field applications. These items include nuclear gauges and the electrical density gauge for soil compaction. Humboldt also provides plate load testers, shelby tubes, lightweight deflectometers and a large offering of penetrometers for all applications.


    B. Campbell Pacific Nuclear Portaprobe Percent Test Nuclear Soil Gauge, Model MC-2 Radiological Specification Gamma Source - Cesium/137, CPN-131 Sealed Capsule, 10 mCi/capsule/4caps Neutron Source - Americium/241, CPN-131 Sealed Capsule, 50 mCi/capsule/4 caps

  • 03.17 H-4114SD - Construction Materials Testing Equipment

    area of the Job Site where the material to be tested has already been placed and compacted or a similar site, which has identical compacted material in place. To quantify readings made with the EDG while developing the soil model, it is necessary to run a conventional method test (Nuclear Gauge, Sand

  • 11 Soils Field Procedures Using the Sand Cone Method

    District. Typically, representative samples of the soil are retained at the job-site in small jars and compared to field test site soil. This comparison is made by color, texture, and plasticity to determine which soil samples more closely represent the layer being tested and thus which target density should be

  • USDA | OHSEC | Radiation Safety Division | Nuclear Gauges

    A nuclear gauge (also called a nuclear density gauge, a soil moisture gauge, or a moisture density gauge) is a tool used for civil engineering projects and construction that measures soil density or soil water content. Nuclear gauges are also used for industrial, mining, and scientific purposes.

  • Nuclear Gauges | RadTown | US EPA

    Apr 19, 2021· Nuclear gauges use radioactive sources to identify the thickness, density or make up of a wide variety of material or surfaces. These gauges, which are safe to use when the proper safety measures are followed, help people build safe buildings,

  • Nuclear Gauge Density Technician Jobs, Employment | Indeed

    416 Nuclear Gauge Density Technician jobs available on Indeed. Apply to Quality Technician, Entry Level Field Engineer, Soil Technician and more!

  • Construction Inspection and Materials Testing Technician ...

    Project experience in general construction, field density testing, concrete testing, soil sampling, and materials testing as well as experience with Microsoft Word and Excel programs is preferred but not required. Pioneer will provide on the job training to perform field testing and laboratory testing tasks. Candidate must have a valid Class D ...

  • 5 Nuclear Density Test- Aggregate Test -

    May 02, 2017· About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How works Test new features Press Copyright Contact us Creators ...

  • Geotechnical Technician, Greater Sudbury, Ontario

    Familiar with concrete testing/sampling. Familiar with compaction testing using a nuclear gauge. Familiar with field work- soil drilling supervision and soil sampling. Familiar with soil laboratory testing. Must have good documentation skills for field notes. Good computer skills and familiar with the following software programs - WordPerfect ...

  • Gauge Basics APNGA

    There are currently 5 gauge manufacturers; CPN (recently purchased by InstroTek), Humboldt, InstroTek, Seaman and Troxler, which collectively have more than 20 different gauge models that measure soil, asphalt and concrete density and soil and rooftop moisture. Mechanically, all soils and asphalt moisture density gauges work the same. The gauges have a source rod that lowers into the


    Jun 22, 2015· T191 Density of Soil in Place by the Sand Cone Method T310 Density of Soil in Place by the Nuclear Gauge SOIL DENSITY TESTING FLOW CHART Setting Target Values Laboratory Proctor One Point Proctor Running Field Tests Speedy Moisture Test Drying Moisture Test

  • Construction Material Testing (CMT) Technician II (Soil ...

    Apr 13, 2021· Perform field and/or laboratory testing, observation, and inspection of construction materials (e.g. soils, aggregates, concrete, asphalt, and steel). Communicate with project manager, engineering technicians, client representative, contractors representative and others as applicable regarding the construction site, project requirements, and ...

  • Basic Gauge Operation - troxlerlabs

    Basic Gauge Operation The following is a basic guide on using Troxlers nuclear density gauges on typical compacted con-struction materials. Please refer to your operators manual for more detailed information. There are some basic parameters that need to be set in the gauge

  • CORRECTION FACTORS, Nuclear Moisture-Density

    from all subsequent gauge moisture contents on that material to yield the corrected moisture content. This type of factor results from hydrogenous materials in the soil and is constant regardless of the moisture of the soil at the time of testing. 7. If the Average Nuclear Moisture (line "N") is lower than the Average Oven Dry or Open Pan ...