AP-42 Chapter 11: Mineral Products - Frequent Questions
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WHERE DO I FIND THE UPDATED TABLE 11.19.2-1, EMISSION FACTORS FOR CRUSHED STONE PROCESSING OPERATIONS?
At the time the section was made final some additional QA work was expected on test reports that would allow us to publish the total particulate emission factors. You can find the results of the total particulate tests in the Chapter 11.19.2 Background Document (pdf) (50 pp, 700 KB). The test data are as good if not better than many we use for other emission factors. However, industry and some state agencies have expressed their uncertainty of the data.
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