Frequent Questions
View frequently asked questions and answers related the the Air Quality System.
- How do I close a monitor?
- What do I do if I get a Post Fatal Error or Load Active Error?
- What do I do if I get the message: "A pre-production record already exists for the Monitor - Date - Time"?
- How do I reactivate monitoring at a site?
- What does "Unique Constraint Error" mean?
- How do I create a new primary monitor at a site where PM2.5 monitoring has a QA collocated monitor?
- How do I use the required frequencies settings?
- How is NPAP Audit Data loaded / reviewed / approved?
- Why do my data show up on the AMP251 but not the AMP256 report?
- What do I do if I want the design value to be calculated using a primary and composite primary sampler?
- When exactly does it matter what information has been added to the Maintain -> Site -> Primary Monitor Periods screen?
- How long are batch form reports available for?
- What are the different data statuses in AQS?
- What is the difference between Agency and Screening Group?
- What are the security access rule differences between Agency and Screening Group?
- How do I delete a lot of Tribal data?
- After an agency adds certification request flags, is the agency allowed to make changes to that year's raw data records?
- Do you have to recertify data if it is null coded after you have certified the data?
- How does AQS determine if a monitor is regulatory or not?
- How do I allow a user to load QA data?
- How do I close a QA Collocated monitor?
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What do I do when I receive the error "Sample duration cannot change within a calendar year"?