US EPA Environmental Technology Verification Statement - MonitoringSystems GmbH


                THE ENVIRONMENTAL TECHNOLOGY VERIFICATION
                                        PROGRAM
    4»EPA                                                  Banelle
   U.S. Environmental Protection Agency                                            ^ Business of Innovation

                     ETV Joint Verification  Statement
      TECHNOLOGY TYPE:  Dioxin Emission Monitoring System

      APPLICATION:         Monitoring Incinerator Emissions

      TECHNOLOGY
      NAME:                  DioxinMonitoringSystem

      COMPANY:             Monitoring Systems GmbH

      ADDRESS:              Schloss 2, A-2542          PHONE: +43 664 2527239
                               Kottingbrunn, Austria     FAX:     +43 2252 70592

      WEB SITE:              www.dioxinmonitoring.com/
      E-MAIL:                office@dioxinmonitoring.com
The U.S. Environmental Protection Agency (EPA) has established the Environmental Technology Verification
(ETV) Program to facilitate the deployment of innovative or improved environmental technologies through
performance verification and dissemination of information. The goal of the ETV Program is to further
environmental protection by accelerating the acceptance and use of improved and cost-effective technologies.
ETV seeks to achieve this goal by providing high-quality, peer-reviewed data on technology performance to
those involved in the design,  distribution, financing, permitting, purchase, and use of environmental
technologies. Information and ETV documents are available at www.epa.gov/etv.

ETV works in partnership with recognized standards and testing organizations, with stakeholder groups
(consisting of buyers, vendor organizations, and permitters), and with individual technology developers. The
program evaluates the performance of innovative technologies by developing test plans that are responsive to
the needs of stakeholders, conducting field or laboratory tests  (as appropriate), collecting and analyzing data,
and preparing peer-reviewed  reports. All evaluations are conducted in accordance with rigorous quality
assurance (QA)  protocols to ensure that data of known and adequate quality are generated and that the results
are defensible.

The Advanced Monitoring Systems (AMS) Center, one of six technology areas under ETV, is operated by
Battelle in cooperation with EPA's National Exposure Research Laboratory. The AMS Center evaluated the
performance of the Monitoring Systems GmbH DioxinMonitoringSystem in monitoring emissions of
polychlorinated dibenzo-p-dioxins (PCDD) and polychlorinated dibenzofurans (PCDF).  This verification
statement provides a summary of the test results.

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VERIFICATION TEST DESCRIPTION

The performance of the DioxinMonitoringSystem was evaluated in terms of relative accuracy (RA), range,
data completeness, and operational factors (ease of use, maintenance, and consumables/waste generated). RA
and range were determined by comparing DioxinMonitoringSystem results to those from Method 23
reference samples collected simultaneously. Range was determined from measurements over a variety of
defined operating conditions that produced differing levels of dioxins. Data completeness was assessed as the
percentage of maximum data return achieved by the DioxinMonitoringSystem over the test period.
Operational factors were evaluated by means of operator observations and records of needed maintenance,
vendor activities, and expendables used.

A 2.94 thousand British thermal unit per hour, 3-Pass Wetback Scotch Marine Package Boiler (SMPB),
manufactured by Superior Boiler Works, Inc., and located at the EPA Research Triangle Park facility, was
used for the verification test. During this verification test, the SMPB was fully instrumented with continuous
emission monitors for a variety of species including oxygen, carbon monoxide, carbon dioxide, water, and
hydrogen chloride. Reference samples were collected and analyzed for dioxins using Method 23 with several
modifications.

QA oversight of verification testing was provided by Battelle and EPA. Battelle QA staff conducted a
technical systems audit, a performance evaluation audit, and a data quality audit of 10% of the test data.
Additionally, EPA QA staff conducted an independent technical systems audit.

This verification statement, the full report on which it is based, and the test/QA plan for this verification test
are all available atwww.epa.gov/etv/centers/centerl.html.

TECHNOLOGY DESCRIPTION

The following description of the DioxinMonitoringSystem is based on information provided by the vendor.
This technology description was not verified in this test.

The DioxinMonitoringSystem is a long-term sampling device for measuring the concentrations of PCDDs in
gas streams. It is an automatic isokinetic sampler for measurement of PCDDs, PCDFs, and other persistent
organic pollutants. The system comprises (1) a stack-mounted dual probe system including automatic probe
switching, blowback, and cleaning, with particle filter and polyurethane foam (PUF) cartridge housing
attached and (2) a remote control unit for isokinetic sampling enabling automatic measurement control,
remote control and data download, standby/restart, and calibration. The control unit includes both menu-
driven software and a process computer. The computer monitors the function of all aggregates and registers
all data required for the subsequent evaluation of the samples taken. At regular intervals, data are stored on a
static random access memory (SRAM) card. The data on the SRAM card are later interrogated together with
the analysis results to ascertain the mass concentration.

The gas is sampled isokinetically from the gas stream by alternating the use of one of two titanium probes.
The collected gas is transferred to a titanium mixing chamber where it is diluted with dried and cooled air.
Thus, the sampled gas is cooled by keeping the dew point below the gas mixture temperature, which avoids
any condensation. The dry gas mixture then passes through a filter stack where the PCDDs are collected. The
filters are designed to collect the dust fraction and the gas (or more exactly, the material passing through the
filter) fraction separately. The DioxinMonitoringSystem allows most of the sampling to be conducted in an
unattended fashion after an initial run configuration by the operator. This device is configured specific to the
sampling location on installation, partially by the sampling institution or laboratory preparing and analyzing
the cartridges and partially by the operator.

The system can also be configured as a single probe device. Both configurations can handle high dust
loadings (up to 150 milligrams per cubic meter) without change in performance, and flue gas velocities up to

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30 meters per second can be accommodated within the isokinetic control range of the overall system. The
system can also be configured to collect samples for determining heavy metals.
VERIFICATION RESULTS
Parameter Evaluated
Accuracy
Range
Data completeness
Ease of use
Maintenance
Consumables/waste
generated
Method of Evaluation
Comparison to Method 23
reference samples
Comparison to Method 23
reference samples by
concentration and sample
collection time
Ratio of number of samples
successfully collected to
number of potential samples
that could have been
collected
Operator observations
Operator observations
Operator observations
Results

RA
(RA)(a)
Intermethod RSD
(Intermethod RSD)(b)
Intramethod RSD
PCDDs PCDFs PCDD/Fs
• 106% • 18.4% • 22.6%
• (16.8%) • (17.8%) • (17.5%)
• 85.4% • 10.3% • 9.7%
• (16.3%) • (10.4%) • (10.4%)
• 10.0% • 8.4% • 8.4%
• No dependence of accuracy on PCDD/F toxic equivalent
(TEQ) over range of approximately 1 to 6 nanograms
TEQ/dry standard cubic meter
• No dependence of accuracy on sample duration over range of
4 to 16 hours.
100% completeness in number of samples collected.
• Installation of the DioxinMonitoringSystem was completed by
a representative of MonitoringSystems, GmbH, within 48
hours
• Effectively operated after 1 -2 hours of training in basic
operation
• Installation of sampling media and removal of sampling media
completed in approximately 5-15 minutes each
• Less than 1% downtime
No maintenance was required during the verification test.
PUF cartridges were used in the sampling cartridges for sample
collection.
w RA calculated using only congeners detected in both the DioxinMonitoringSystem and Method 23 samples.
^ Intermethod relative standard deviation (RSD) calculated using only congeners detected in both the DioxinMonitoringSystem and Method
23 samples.
Original signed bv Gregory A. Mack 6/6/06 Original signed bv Lawrence W. Reiter 7/26/06
Gregory A. Mack Date Lawrence W. Reiter Date
Vice President Director
Energy, Transportation, and Environment Division National Exposure Research Laboratory
Battelle Office of Research and Development
U.S. Environmental Protection Agency
NOTICE: ETV verifications are based on an evaluation of technology performance under specific,
predetermined criteria and the appropriate quality assurance procedures. EPA and Battelle make no expressed or
implied warranties as to the performance of the technology and do not certify that a technology will always
operate as verified. The end user is solely responsible for complying with any and all applicable federal, state,
and local requirements. Mention of commercial product names does not imply endorsement.

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