Method NJATM 1

Determination of Particulate Matter from Stationary Sources - New Jersey Test Method 1

This the New Jersey method for the sampling and determination of particulates from stationary sources.  The sample is collected isokinetically using a sampling train consisting of a probe, heated line, glass fiber filter, four impingers and sampling pump.

Prior to collection the filter is tared to the nearest 0.1 mg.  The first and second impingers are filled with 100mL of distilled, deionized water.  The third impinger is empty and the fourth impinger is filled with 200-300g of silica gel.  After sample collection the filter is transferred to a glass petri dish.  The front half of the train consisting of the nozzle, probe, and front-half filter housing is rinsed with acetone.  The rinse contents are put into an amber glass jar and the liquid level is marked.  The contents of the first three impingers are measured for volume and discarded.  The silica gel in the fourth impinger is weighed for a moisture calculation.

The filter is dried for 24 hours and weighed until a constant weight is achieved to the nearest 0.1mg.  The probe and nozzle rinses are evaporated, dessicated for 24 hours and weighed until a constant weight is achieved.




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Method Data

Hold Times, Preservatives, Preps, Collection, Analytical & Documentation
Holding Time:   None specified in the method.
Preservatives:   None specified in the method.
Required Preps:   Glass fiber filter, 25mL Amber glass jar
Collection Method:   US-EPA Method 5 type sampling train
Analytical Methodology:   Gravimetric
Documentation:   NJATM1

Analyte List*

Analyte Formula CAS Number Detection Limit

* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.