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Yes! You can use AI to fill out Maryland Department of the Environment Form 5EP, Emission Point Data

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Maryland Department of the Environment Form 5EP, Emission Point Data, page 1
Complex · 73/100Form Complexity Index

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What this form asks for

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Form 5EP, Emission Point Data, is a technical document required by the Maryland Department of the Environment (MDE) for facilities seeking air quality permits. Applicants must submit a separate form for each emission source, detailing its physical characteristics, operating schedule, control devices, and estimated pollutant emissions. This data is essential for the MDE to assess environmental impact and ensure regulatory compliance. Today, this form can be filled out quickly and accurately using AI-powered services like Instafill.ai, which can also convert non-fillable PDF versions into interactive fillable forms.
Fillable fields175
Pages2
Sections43
Tables and lists1
Questions that depend on earlier answers28
Form Complexity IndexComplex, 73/100

The AI checks your answers before you download

14 checks built for this form, so a wrong date or a missing answer is caught before anyone else sees it.

Ensures Applicant Name is Provided

This check verifies that the 'Applicant Name' field is not empty. The applicant's name is a fundamental piece of information required for identifying the responsible party and processing the permit application. If this field is left blank, the submission cannot be correctly filed or associated with the legal entity, leading to processing delays or rejection.

Validates Operating Schedule Time Units

This validation ensures that the values entered in the 'Emissions Schedule' section are within logical and physical limits. It checks that 'Minutes per hour' is not greater than 60, 'Hours per day' is not greater than 24, 'Days per week' is not greater than 7, and 'Weeks per year' is not greater than 52. This prevents data entry errors and ensures that emission calculations based on this schedule are realistic.

Verifies Seasonal Variation Percentage Sum

This check ensures that if the 'No seasonal variation' box is unchecked, the sum of the 'Winter Percent', 'Spring Percent', 'Summer Percent', and 'Fall Percent' fields equals 100%. This is critical for accurate annual emission modeling and reporting. A failure indicates a miscalculation or incomplete data, which would skew environmental impact assessments.

Enforces Mutually Exclusive Seasonal Variation Data

This validation confirms that if the 'No seasonal variation' checkbox is checked, the four seasonal percentage fields are left empty. Conversely, if any seasonal percentage is provided, the 'No seasonal variation' box must be unchecked. This prevents contradictory data entry and ensures clarity on the nature of the emissions schedule.

Validates Exclusive Stack Dimension Entry

This check ensures that data is entered for either rectangular stack dimensions (length and width) or the round stack dimension (inside diameter), but not for both simultaneously. An emission point can only have one physical stack shape. Submitting both would indicate a data entry error and create ambiguity for air dispersion modeling.

Checks for Contradictory Control Device Information

This validation verifies that if the 'None' checkbox is selected in the 'Control Devices' section, no other control device types are checked. Selecting 'None' and another device is a direct contradiction that makes it impossible to determine the actual equipment configuration. This check ensures the submitted data is logical and unambiguous.

And 8 more checks
  • Requires Count for Selected Control Devices
  • Compares Projected Emissions to Design Capacity
  • Validates PM2.5 Emissions Relative to PM10
  • Cross-Checks Projected Daily Emissions Calculation
  • Cross-Checks Projected Annual Emissions Calculation
  • Verifies Total GHG as a Sum of Components
  • Ensures HAP Name is Provided for HAP Emissions
  • Validates Format of 'Continuous or Intermittent' Field

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How to Fill Out Form 5EP Online for Free in 2026

What the AI walks you through.

  1. Navigate to Instafill.ai and upload or select the Maryland Form 5EP.
  2. Use the AI assistant to enter the applicant's name and the unique identification name/number for the emission point.
  3. Input the emission point's physical information, such as stack height, diameter, exit temperature, and location details.
  4. Provide the emissions schedule, including hours of operation and any seasonal variations, and identify all associated control devices.
  5. Enter the estimated emissions data for criteria pollutants, greenhouse gases (GHG), and any specific hazardous air pollutants (HAP) in the corresponding tables.
  6. Review all the information populated by the AI for completeness and accuracy, making any necessary edits.
  7. Securely download, print, or e-submit your completed Form 5EP for your permit application.

Common Mistakes in Completing Form 5EP

The ones the AI is built to catch.

Inconsistent Emission Rate Calculations
Applicants often make mathematical errors when converting hourly emission rates to daily and annual totals. For example, the 'ton/yr' value may not correctly correspond to the 'lb/hr' rate multiplied by the operating schedule provided in Section 3. This occurs due to manual calculation mistakes or using incorrect conversion factors (e.g., 2,000 lbs/ton). These inconsistencies lead to application rejection or lengthy clarification requests from the agency, delaying the permit process. To avoid this, double-check all calculations and ensure a clear, consistent link between the operating schedule and all reported emission rates.
Unit Conversion Errors in Stack Parameters
In Section 4, applicants frequently enter values in the wrong units, such as providing a stack diameter in inches instead of the required feet, or temperature in Celsius instead of Fahrenheit. This is a common data entry mistake that drastically skews air dispersion modeling results, potentially leading to an invalid permit assessment. Always verify that all physical parameters match the units specified in the form (ft, °F, ft/min). AI-powered tools like Instafill.ai can help by flagging values that are outside a typical range, preventing such errors.
Vague Emission Point Description
Providing a generic description like 'Heater' or 'Vent' in Section 2 is a frequent mistake. Regulators need a detailed description to understand the process, such as 'Natural-gas-fired thermal-oil heater (~7.2 MMBtu/hr)'. An ambiguous description forces the permit reviewer to issue a request for additional information, halting the review process. To prevent delays, be as specific as possible, including the equipment type, fuel source, and rated capacity.
Confusing 'Design Capacity' with 'Projected Operations'
Applicants often list the same emission rates for both 'At Design Capacity' and 'At Projected Operations' in Section 6, even when their typical operations are well below the maximum capacity. This happens when they misunderstand the distinction, potentially resulting in unnecessarily strict permit limits based on maximum potential rather than realistic emissions. It is crucial to provide accurate, distinct estimates for both scenarios to ensure the permit reflects actual operating conditions. This can also impact future operational flexibility.
Incorrectly Reporting Seasonal Variation
In Section 3, applicants may check the 'none' box for seasonal variation while also entering percentages in the seasonal fields, creating a contradiction. Another common error is providing seasonal percentages that do not add up to 100%. This indicates a misunderstanding of the data requirement and leads to questions about the accuracy of the entire emissions schedule. Before submitting, ensure that if seasonal variation exists, the percentages are accurate and sum to 100%; otherwise, only check the 'none' box.
Inconsistent Emission Point ID
The 'Emission Point Identification Name/Number' in Section 1 must exactly match the identifier used on the mandatory plot plan attachment. Applicants sometimes use an internal code on the form but a different label on the drawing, causing confusion and making it impossible for the reviewer to correlate the data with the physical site layout. This discrepancy can lead to the application being deemed incomplete. Always use one consistent, unique identifier for each emission point across all application documents.
Omitting Building Dimensions for Rooftop Units
When an emission point is located on a building, applicants often forget to fill in the building's height, length, and width in Section 4. This information is not optional; it is critical for air dispersion modeling to assess the effects of building downwash on pollutant concentrations. Omitting these dimensions will result in an information request and delay the technical review. If the emission point is on or near a structure, those dimensions must be provided.
Incorrect Calculation of Total GHG (CO2e)
A significant error in Section 6 is the incorrect calculation of 'Total GHG (as CO2e)'. Applicants may simply sum the mass of CO2, CH4, and N2O, forgetting to multiply methane (CH4) and nitrous oxide (N2O) by their respective Global Warming Potentials (GWPs) before summing. This leads to a substantial underestimation of the total climate impact and can trigger compliance issues. Ensure you use the correct, current GWP values for each greenhouse gas to calculate the CO2 equivalent (CO2e) accurately.
Incomplete Control Device Information
In Section 5, it is common for applicants to check the box for a control device (e.g., 'Baghouse') but neglect to enter the number of units in the adjacent 'No. _____' field. This leaves the reviewer uncertain if there is one device or multiple. This small omission renders the section incomplete and requires follow-up. To avoid this, ensure that for every control device checked, the corresponding number of units is also specified.
Failing to Report Known Hazardous Air Pollutants (HAPs)
Applicants frequently leave the Hazardous Air Pollutants (HAP) table in Section 6 blank, assuming there are none. However, many common combustion processes, like burning natural gas, generate small but reportable quantities of HAPs such as formaldehyde. This omission often stems from a lack of awareness of the byproducts of their specific process. Failing to report known HAPs is a serious error that can lead to permit invalidation and enforcement action. It is essential to consult emission factor databases (like EPA's AP-42) to identify and quantify all applicable HAPs.

Frequently Asked Questions About Form 5EP

 

Is it really free for 7 days?
Yes. You pay $0 today. Cancel before Nov 14 and you are never charged. Keep it, and it is $19.99 a month for 5 fills of your Form 5EP.
Can I fill other forms too?
This plan is for your Form 5EP: your own AI agent fills it as often as 5 times a month. To fill other forms and upload your own, choose a Professional plan from your account.
How do I cancel?
From your account, in two clicks, any time. No email, no call.
How does the AI fill out Form 5EP?
You answer a few questions in plain words, or upload a document you already have. The AI reads what you give it and puts each answer into the right field of Form 5EP, on every page, in seconds. It checks the answers against the form's own rules, and you review and change anything before you download, print or sign.
What happens to my information?
It is encrypted in transit and at rest, and it is never used to train AI.
How complex is Form 5EP to fill out?
Form 5EP has a Form Complexity Index of 73 out of 100, in the complex tier: 175 fillable fields across 2 pages. Instafill.ai's AI fills it in under a minute, with every field there for you to review before you download.
What is Form 5EP and who needs to complete it?
Form 5EP is used to provide detailed data for a single emission point, like a stack or fugitive emission source, as part of an air quality permit application in Maryland. You must complete a separate Form 5EP for each individual emission point related to your proposed installation.
I have multiple stacks at my facility. Do I need to fill out a separate Form 5EP for each one?
Yes, the instructions state that you must complete one full Form 5EP for each individual emission point at your facility. This includes every stack, vent, or source of fugitive emissions associated with your project.
What is the difference between 'At Design Capacity' and 'At Projected Operations' in Section 6?
'At Design Capacity' refers to the maximum possible emissions your equipment can produce when running at its full potential. 'At Projected Operations' refers to the emissions you expect to generate under your normal, day-to-day operating conditions.
What do I do if my emission point does not have a control device?
In Section 5, which covers control devices, you should simply check the 'None' box. If you do have control devices, you must identify them on this form and also complete a separate Form 6 for each device.
My facility operates the same way all year. How do I fill out the 'Seasonal Variation' part of Section 3?
If your operations and emissions do not change with the seasons, you should check the box labeled 'Check box if none' for seasonal variation. You can then leave the percentage fields for Winter, Spring, Summer, and Fall blank.
Are there any other documents I need to submit with Form 5EP?
Yes, you must provide a plot plan that clearly shows the location of the emission point, using the same identification name/number you list in Section 1. Additionally, if you have control devices, a Form 6 is required for each one.
When do I need to fill out the building dimensions in Section 4?
You only need to provide the building's height, length, and width if the emission point you are reporting is located on or attached to that building. This information is used for air dispersion modeling.
What should I use for the 'Emission Point Identification Name/Number' in Section 1?
This is an identifier that you assign to the emission point for your own tracking purposes. It should be a unique name or number, like 'Stack-01' or 'Boiler Vent', that you will also use to label this point on the required plot plan.
What if I have more Hazardous Air Pollutants (HAPs) to list than there are rows in Section 6?
The form notes that you can 'Attach additional sheets as necessary.' If you need to report more HAPs than the space allows, create a supplementary page with the same table format and attach it to your submission.
Where do I submit the completed Form 5EP?
This form is part of a larger air quality permit application package. It should be submitted along with all other required forms to the Maryland Department of the Environment's Air and Radiation Management Administration at the address listed on the form.
Can I use AI to help me fill out Form 5EP?
Yes, AI-powered services like Instafill.ai can help you complete this form more efficiently. These tools can accurately auto-fill fields based on your provided information, saving you time and reducing the risk of errors.
How can I use Instafill.ai to complete this form online?
Simply upload the Form 5EP PDF to the Instafill.ai platform. The service will convert it into a fillable format, and you can then use its AI capabilities to help populate the required fields with your facility's data before downloading the completed form.
The PDF version of Form 5EP I have is not fillable. What can I do?
You can use a service like Instafill.ai to make it interactive. Upload the flat, non-fillable PDF, and the platform will automatically convert it into a fillable form that you can complete and save online.
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