ABOVEGROUND LEAK DETECTION SYSTEM FOR DETECTING SUB-SURFACE FLUID LEAKS FROM FLUID CONTAINING VESSELS

ABOVEGROUND LEAK DETECTION SYSTEM FOR DETECTING SUB-SURFACE FLUID LEAKS FROM FLUID CONTAINING VESSELS

An apparatus and method for sampling sub-surface soil gas samples and detection of distinctive chemical tracer compounds in the soil gas samples employing an aboveground sampling apparatus (20). The aboveground sampling apparatus does not include any device that penetrates the soil surface of man-ma...

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Hauptverfasser: EVANS, O. DANIEL, THOMPSON, GLENN M
Format: Patent
Sprache:eng ; fre
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator EVANS, O. DANIEL
THOMPSON, GLENN M
description An apparatus and method for sampling sub-surface soil gas samples and detection of distinctive chemical tracer compounds in the soil gas samples employing an aboveground sampling apparatus (20). The aboveground sampling apparatus does not include any device that penetrates the soil surface of man-made structures imposed upon the soil surface. Rather, the aboveground sampling apparatus evacuates soil gas samples through the soils surface or through man-made structures imposed upon the soil surface, such as asphalt or concrete, and passes the soil gas sample through an adsorbent bed (30) containing adsorbent material specific for the distinctive chemical tracer compounds. L'invention concerne un appareil et un procédé permettant de prélever des échantillons gazeux souterrains et de détecter des composés de marquage chimiques particuliers dans les échantillons gazeux du sol grâce à un appareil (20) d'échantillonnage en surface, lequel ne comporte aucun dispositif qui pénètre dans la surface de structures artificielles posées sur la surface du sol. En revanche, ledit appareil évacue les échantillons gazeux du sol à travers la surface des sols ou des structures artificielles posées sur ladite surface, telles que asphalte ou béton, et fait passer ces échantillons à travers un lit adsorbant (30) contenant un matériau adsorbant propre aux composés de marquage chimiques particuliers.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title ABOVEGROUND LEAK DETECTION SYSTEM FOR DETECTING SUB-SURFACE FLUID LEAKS FROM FLUID CONTAINING VESSELS
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