Home > New Jersey Radon Testing > New Jersey AccuStar Charcoal LS CLS 100i Short Term Radon Gas Test Kit / 48-96 Hour Testing
New Jersey AccuStar Charcoal LS CLS 100i Short Term Radon Gas Test Kit / 48-96 Hour Testing

New Jersey AccuStar Charcoal LS CLS 100i Short Term Radon Gas Test Kit / 48-96 Hour Testing

Item #: CLS-100iNJ-4Z
$69.99
Your Price: $49.00
Availability: Usually ships the next business day
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Includes pre-addressed postage paid return shipping box, NJ processing fee and lab test results.

The U.S. Environmental Protection Agency (EPA) has verified this product for accurate radon measurement. NELAP, NEHA & NRPP listed. This test kit is for homeowner use only.

Used for the initial screening of a home for Radon gas and assess the performance of a Radon Mitigation System.

Place two test kits side by side, and leave the third kit unopened. Test Kits must remain undisturbed for 48 to 96 hours under closed house conditions.



How to Test

If your home has a basement, open and place the canister anywhere in the basement. Do not place the canister in a garage, root cellar, crawl space or sump pump pit. If your house does not have a basement, place the open canisters in the lowest livable level of your home in any room except the bathroom, kitchen, laundry room or porch.

Do not expose the canisters to noticeable drafts such as near a window, fireplace or open door. Canisters should be placed at least 2 feet above the floor, at least 1 foot away from exterior walls, at least 4 inches away from other objects and at least 3 feet away from windows, doors or other openings. Do not place in cupboard, closet, drawer, etc. Canister should be exposed to the air people breathe.

Remove the cap of the test device and expose to room air for a period of 48 to 96 hours (2-4 days). Do not touch or disturb the test canisters during the test period. Do not expose the devices to the air for longer than 4 days as over exposure will invalidate the results. When exposure time is complete, securely seal the canister with the cap. Complete the information form and place it with the sample test canister in the U.S. postage prepaid package and mail it immediately. The lab must receive the test kit within 8 calendar days to have a valid test.

  • For 12 hours prior to the test and during the testing period, the doors and windows must remain closed to the test area.
  • During the test period, turn off all fans that bring outside air into the house or vent large amounts of air from the house such as whole house fans.
  • Do not operate fireplaces, wood or coal stoves unless a primary source of heating.
  • Do not place directly on granite or slate.
  • Devices that re-circulate indoor air such as humidifiers or air conditioners that are set to re-circulate can be used normally.
  • Avoid blowing air directly over the test device.
  • Tests should not be conducted under severe weather conditions (heavy rains, high winds, extreme heat, cold or humidity, etc.).
  • Mail the test kit within one day of completing the test.
  • Information You Will Provide

  • Name and address.
  • Serial number of the test device.
  • Start and end dates and times of the test.
  • Record the location in your home where the canisters were exposed
  • Indoor conditions: temperature and humidity range
  • Sign the data sheet before sending it in.
  • An incomplete form will be assessed a $10 amendment fee.
  • Receiving the Results

  • Test results are available online the next business day after the lab receives the sample. Enter the serial number of the test and your zip code, and your test results will be displayed and the full report can be printed out.
  • Test results are available through a 24 hour toll free automated phone system the next business days after the lab receives the sample.
  • Test results are either emailed or sent U.S. mail the next business day after the lab receives the sample.


  • How it Works

    The canister is a 6 cm. high by 2.5 cm. diameter high-density polyethylene liquid scintillation vial. The 22-ml capacity vial is designed to hold a small canister near the opening above the scintillating fluid. The canister, made of high-density polyethylene, contains a patented pharmaceutical-grade charcoal-silica adsorption material.

    This patented device configuration produces minimum attenuation of the scintillation signal. Perforated end caps allow air to circulate through the mixture and retain any charcoal dust. A polyethylene cap, capable of sealing tightly, prevents the loss of Radon gas from the vial

    Alpha particles emitted by the breakdown products of Radon create scintillations, or flashes of light, in the cocktail. A photo-multiplier tube detects these scintillation's, the signal is electronically enhanced and the effect of the alpha particles are counted. Background counts are subtracted and the net counts are entered into a formula with other relevant data yielding quantitative results stated in picoCuries per Liter (pCi/L)

    After exposure, the vial is returned to the laboratory for analysis. Scintillation cocktail is added and the Radon allowed an elution period of several hours. The vial is then placed in a shielded chamber for counting.

    AccuStar Labs is a certified National Radon Proficiency Program laboratory registered with the National Environmental Health Association and is registered with every US state that requires registration for Radon testing.






    We specialize in high quality Radon Testing Devices. A Radon Detector or Radon Test Kit can allow you to easily determine if your home is safe from this dangerous, invisible, tasteless and odorless gas. Radon is the #1 source of lung cancer in non-smokers, causing more than 20,000 deaths per year. About one in every fifteen U.S. homes are unsafe, and many more have unhealthy Radon Gas Levels.