Science & Technology
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What are the different data statuses in AQS?
LOAD status - where the data has passed all business rules, is still not visible to public, is stored in production table but is not in POST status. This data is commonly referred to as " Pre-production data ". LOAD status only applies to raw data. QA data automatically goes…
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How long are batch form reports available for?
When a user posts a datafile they receive an email with links to the various reports (i.e. Summary and Load Reports, CRST Reports, Raw Data Inventory) seen on the Batch form. The user has 30 days to review those reports, after which time the reports are deleted from the system.
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How is NPAP Audit Data loaded/reviewed/approved?
NPAP audit data is typically entered through the PEAT application by the regional contractors or through manual methods by self-implementing organizations. To review and approve NPAP audit data, the reviewer must be assigned the audit coordinator role in AQS. Uploaded NPAP audit data can be found under the "Audit" tab…
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How do I use the required frequencies settings?
When a user sets the Required Frequencies using Maintain -> Monitor -> Req. Frequencies tab to 8-Stratified Random, 9-Random, R-Episodic Sampling, or S-Seasonal, the user must then specify a Collection Frequency for each month that sampling occurs. It is possible to have monitors where sampling does not occur in certain…
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Basic Information on HABs
Information related to Basic Information on HABs
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Infographics to Help Educate Public on HABs Basics
Information related to Infographic to Help Educate Public on HABs Basics.
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Why do my data show up on the AMP251 but not the AMP256 report?
If you run the AMP251 report it will show all the data and tell you if it's valid or not. If the data submitted shows a difference between the actual flow rate and the indicated flow rate of more than 10%, the data will be invalid and should not show…
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What does "Unique Constraint Error" mean?
During the Load process, if a user receives an error with "unique constraint (...) violated" in it, that means the user submitted an insert transaction that is a duplicate of data already in the database.
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How do I create a new primary monitor at a site where PM2.5 monitoring has a QA collocated monitor?
Log into AQS and connect to the screening group that owns the QA Collocated monitor for PM 2.5 at the site (there should only be one). On the maintain -> Monitor form, query the QA Collocated monitor. Click on the QA Collocation tab and add the end date for the…
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How do I close a monitor?
When a user goes into Maintain->Monitor and places a "Close Date" for the monitor and saves it, the system will automatically add an end date to the Sample Period tab. All other monitor or metadata, including agency roles, will automatically receive a close/end date as well. The reason a user…
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What do I do if I get a Post Fatal Error or Load Active Error?
The error received by the user means the process failed and there is nothing to load. If the process crashes the system doesn't provide good diagnostic information, because of this, Regional Contacts should forward to AQS Support Team because there is nothing they can do to fix.
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All NPL Partial Site Deletion Narratives for Jacobs Smelter
All NPL Partial Site Deletion Narratives for Jacobs Smelter
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What do I do if I get the message: "A Pre-production record already exists for Monitor-Date-Time"?
The following process needs to be run: Understand: The error is caused by pre-production raw data that has not been posted. Review the load report and note the monitor id(s) (state-county-site-parameter-poc) of the raw data with this error. To delete this data, run the Maintain -> Sample Values -> Delete…
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How do I reactivate monitoring at a site?
The following procedure is only needed if monitoring occurred for the pollutant of interest at the site previously and was stopped for all the monitors at the site for that pollutant. Log into AQS and connect to the screening group that owns the primary monitor at the site. Click on…
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COVID Impacts Session (2023 EIC)
Presentations/papers given at the COVID Impacts session of the 2023 IEIC
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The Effects of Short-Term, In Utero Lead Exposure on Birth Outcomes by Trimester: Quasi-Experimental Evidence from NASCAR’s Deleading Policy
This is a working paper titled "The Effects of Short-Term, In Utero Lead Exposure on Birth Outcomes by Trimester: Quasi-Experimental Evidence from NASCAR’s Deleading Policy"
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Mineral Mining and Processing Effluent Guidelines
Overview of the Mineral Mining and Processing category (40 CFR Part 436), with support documents
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Town of Chino Valley Municipal Water System Improvement Project Environmental Assessment and Finding of No Significant Impact
EPA Region 9 has prepared an Environmental Assessment (EA) describing the potential environmental impacts associated with, and the alternatives to, the proposed Water System Improvement Project in the town of China Valley, Arizona. This Finding of No Signi
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Additional Resources
Additional Resources
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Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.4
the document for Risk-Screening Environmental Indicators (RSEI) Methodology Version 2.3.4, December 2015