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The following information is only available on your computer. No information is sent to the government. Items marked as optional are not necessary for the calculation and may be left blank at your discretion.

Employer:
[optional]
Employee:
[optional]
Sampling Date:
[optional]
Comments: [optional]

 
 

If the laboratory provided a sampling and analytical error value, enter it here: (If the laboratory did not provide a value you may want to use an estimated value of 0.3.)

Can the material collected be classified as coal dust?
Yes No

For each sample, enter the requested information. You may enter information for up to 10 samples collected for this employee during a single work shift. If left blank, percentage values will be evaluated as zero (0%). Any sample with a sample time of zero (0) will not be included in the calculation. 

When you are finished entering data, click the calculate button below. Use the report button to generate a report which you can print.


Sample
Number
Sample
Time (min)
Sampling
Rate (L/min)
Respirable
Weight (mg)
Quartz
%
Cristobalite
%
Tridymite
%
1
2
3
4
5
6
7
8
9
10


Total
min

mg


Calculate the Time Weighted Average based on the sampling period
( minutes).
Calculate the Time Weighted Average based on a full work shift (8 hours).


Calculate       |      Clear Values       |        Report


PEL
(mg/m3)
Exposure
(mg/m3)
Severity
(Exposure/PEL)
SAE* LCL** UCL***
 *
 **
 ***
Sampling and Analytical Error 
Lower Control Limit 
Upper Control Limit 


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