Transcript Slide 1

Elemental Analytical Probe
for On-Field Depth Profiling
Rick Comtois, Judit Jeney*
Austin AI Inc, Austin/Texas, USA
www.austinai.com
*GreenLab Europe Ltd, Budapest/Hungary
[email protected]
Introduction of a
Revolutionary Direct Push
Device
CP-1000 XRF Cone
Penetrometer
The EDXRF Underground
CP-1000…The World’s Only Tube Based
Spectrometer Capable of Being Pushed Into…
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Soils
Sediments
Sludge
And Many More…
Statement of Opportunity
Cone Penetrometer
Sub-surface characterization of soils and minerals is a necessary step in
planning field activities. It is costly and often environmentally unfriendly.
Inexpensive field solutions are desired to reduce costs.
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Miscalculation
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Additional Cost = Equipment
Usage & Remobilization
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Excavation & Sampling
(example: Super-Fund Site
Clean Up)
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Creates Hazard
Disturbs Site
Wait On Lab Results
Others
– Extended CEMS Usage
– Site Expansion
– Workers Comp/
Exposure Liability
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Current Status of In Situ Soil Analysis
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Physical Data Probes
– EC
– Soil Typing
– HC
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Push Probe Equipment
– Trucks
– Trailers
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Organic Compound Probes
– MIP
– LIF
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Elemental Analysis Probes
– None!
– Take Sample & Send To Lab
CP-1000 Overview
Developed by the Naval Research Lab (NRL) for soil profiling in remediation of
superfund clean up sites. Under Cooperative Research and Development
Agreement (CRADA) with NRL, inventor Dr. Tim Elam is partnered with Austin
AI to further develop the probe for commercial applications.
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3-D Sub-surface Characterization
Stress Resistant Components &
Enclosure
Miniaturized X-ray Tube
Si-PIN Diode Detector
Patented Window Analysis
Markets Served:
Environmental
Monitoring/Remediation
 Mining/Exploration
 Agriculture
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CP-1000
Capabilities
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EPA Method 6200
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Field Portable X-ray Fluorescence
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Metals Detected
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RCRA Metals: As, Cd, Pb, Hg, Se, Ag,
Sb, Cr, Co, Fe, Mn, Ni, Cu, Zn, In, Sn,
Most others
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EN 15309 2007
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Characterization of waste & soil XRF
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Detection Limits
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<100 ppm for most metals in soils
(100 second analysis rate)
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Modes of Operation
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Push to depth and stop to collect data;
continuous data collection during push
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Push Rate
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1.5 cm/sec during continuous data
collection; can be adapted for vertical
resolution & detection limit
CP-1000
Engineering Layout
Patented B4C window & mount
40 kV Power Supply
Electronics
Precision engineered quality construction
40 kV Rh X-Ray Tube
with computer control
Hardened Steel Jacket
Charge-reset detector with 2-stage cooling
and digital pulse processing electronics
Real-time data reduction software with GUI interface
CP Front Panel
CP Back Panel
CP: NIST SRMs (SiO2 matrix)
Cu
Zn
0.6
0.5
0.5
0.4
y = 0.656x + 0.0039
R2 = 0.9999
0.4
0.3
y = 0.5049x + 0.3516
R2 = 0.8913
0.3
0.2
0.2
0.1
0.1
0
0.000
0
0.050
0.100
0.150
0.200
0.250
0.300
0
0.350
0.2
0.4
0.6
0.8
Pb
As
0.7
0.025
0.6
0.02
0.5
0.015
0.4
y = 0.1304x + 0.0118
R2 = 0.9977
0.01
y = 0.8934x + 0.0793
R2 = 0.9967
0.3
0.2
0.005
0.1
0
0
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0
0.1
0.2
0.3
0.4
0.5
0.6
CP-1000
Direct Push Diagram of the System
Comput er
X-ray On
Det ect or
light
elect ronics
X-ray
power
supply
MCA
Umbilical
Int erlock
Ex-sit u
sample port
Window
XRF probe
CP-1000
Operation
<< Fixed in Chuck, Ready to Descend
CP-1000
In Field Concentration Profile
Cr From Plating
Operation –
Measurements
Every 10 cm
CP-1000
Exploring Underground Contamination
20
10
1.2
4
1.8
2
2.4
1
3.0
Depth
in
meter
ppm lead
(thousands)
Push
1
Push
11
Push
9
Push Push
10
Push
2
3
PushPush Push
8
6
5
Push
4
45
meter
CP-1000
Push/Stop Mode (contaminants:Pb)
CP-1000
Typical Spectra & Typical Sample Report
Pb
Fe
Zn
Pb
Z
r
R
h
R
h
CP-1000
Typical Results – Lab Stand Configuration
Detection limits for metals in
a clean SiO2 matrix
10 minute count time,
proprietary thin window
Cr
Cu
Zn
As
Se
Ag
Cd
Ba
Hg
Pb
<20
<10
<10
<10
<10
<50
<25
<25
<10
<10
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
CP-1000
Ground survey
before construction work
Japanese civil engineering firm,
Nikken Sekkei, installed and
accepted the first CP-1000.
Ground simulation by Nikken:
Mixture Density
As: 1400mg/kg
Pb: 1100mg/kg
Se: 1300mg/kg
Radiation Testing in Japan
CP-1000
Features & Benefits Summary
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No Sampling Required
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Fast
Easy To Use
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Accurate
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Reliable Decision Making
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Agreeable Form Factor
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Fits With Current Field Equipment
Thank you for
your kind attention!
CP-1000
Continuous Push Mode
Simulated vein
20 cm. of 2000 ppm lead in sand
160
Net Counts in 4 sec.
140
~1 inch per point
~1 foot per minute
4 sec. per point
0.5 cm/sec
120
100
80
60
40
20
0
0
10
20
30
40
cm.
50
60
70
CP-1000
Typical Results – Sample Stand Configuration