Process and apparatus for detecting presence of plant substances

Patent · Tue Jan 01 00:00:00 EST 1991

OSTI ID:867780

Kirby, John A ^[1]

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1. Las Vegas, NV

An apparatus and process for detecting the presence of plant substances in a particular environment which comprises the steps of: measuring the background K40 gamma ray radiation level in a particular environment with a 1.46 MeV gamma ray counter system; measuring the amount of K40 gamma ray radiation emanating from a package containing a plant substance being passed through an environment with a counter; and generating an alarm signal when the total K40 gamma ray radiation reaches a predetermined level over and above the background level.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
• DOE Contract Number: W-7405-ENG-48
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 5008539
• OSTI ID: 867780
• Country of Publication: United States
• Language: English

Related Subjects

process
apparatus
detecting
presence
plant
substances
particular
environment
comprises
steps
measuring
background
k40
gamma
ray
radiation
level
46
mev
counter
amount
emanating
package
containing
substance
passed
generating
alarm
signal
total
reaches
predetermined
alarm signal
radiation level
ground level
gamma ray
predetermined level
particular environment
radiation emanating
ray radiation
package containing
plant substances
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