Method 29
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The determination of metal emissions from hazardous waste
incinerators involves a modification of the Method 5 train.
The sampling train is the same as a Method 5 particulate
train with the addition of up to three impingers to enhance
the collection of metals of interest. The impinger train
requires the SB-4 impinger case, glass nozzles, probe liners
and non-metalic union. The method has been validated for
the collection of 17 different metals.
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 Method
29 Sampling Train
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Note: The standard glass filters are replaced with
low background quartz filters and the impinger solutions are specific
for different metals. The recovered samples are digested and appropriate
fractions are analyzed by various means such as inductively coupled
argon plasma emission spectroscopy (ICPES), atomic absorption
spectroscopy (AAS) or graphite furnace AAS depending upon sensitivity
required or the matrix effects on the specific analyte.
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