How to Describe a Certified Industrial Site So Answer Engines Get It Right

Why is "certified megasite" not enough?

Because the words do not mean the same thing everywhere. A 2008 Area Development report on megasites found that some communities treated a 500 acre site as a megasite, while others reserved the term for properties above 1,000 acres. The same report stated that there was no standard in the industry that defines a certified site.

That report is old, and the field has matured. But certification is still set program by program. Louisiana Economic Development certifies industrial sites of 25 or more acres, requires a Phase I environmental assessment less than five years old at submission, and recertifies sites every five years. Georgia's GRAD program sets its own requirements, including a Phase I environmental assessment, a preliminary geotechnical investigation, cultural and endangered species reviews, wetlands and stream delineation, a utility service assessment, and zoning, with third party review and approval by a board of advisors.

So a listing that says certified megasite and stops there leaves a site selector, or an answer engine, to fill in the meaning.

What do site selectors need to see first?

They need conclusions they can compare quickly. In an Area Development article in its Q3 2026 issue, Lindsey Cannon of Quest Site Solutions wrote that strong sites can fall out of contention when the information is difficult to interpret, compare, or verify. She noted that an evaluator in the early stages of a project may be reviewing 30 sites, with no time to become an expert on each one.

Her practical fix is to turn each technical study into a short, dated conclusion. Her example for an environmental report: "Phase I Environmental Site Assessment completed in 2025 identified no recognized environmental conditions." She also stresses consistency: the more discrepancies in what a community submits, the harder a property is to evaluate.

How should a one page site fact sheet be laid out?

Put each fact on its own line, in the same order on every site page, with a date wherever the fact can change.

The examples are placeholders that show the format. Use your own facts, and update the checked on date whenever any line changes.

AI Narrative Drift: the gap between what is currently true about a company or place and what answer engines say about it, because those answers update slowly and imperfectly when facts change.

For a site, drift could be an old acreage figure, an expired study, or a status that has changed. A dated fact sheet gives you a record to measure drift against. See how drift is tested.

How do you test what ChatGPT says about a site?

Use the first step of our DRIFT method, Detect: ask, then compare the answer with a record you have written down.

1. •Write the fact sheet first. It is the record you will check against.
2. •Open a new chat in ChatGPT while logged out, so past conversations do not shape the answer.
3. •Ask five prompts:
   • •"What is [site name] in [county], [state]?"
   • •"Is [site name] a certified site, and under which program?"
   • •"How many acres does [site name] have available for industrial development?"
   • •"What utilities serve [site name], and what capacity is available?"
   • •"What environmental studies have been completed at [site name], and when?"
4. •Run each prompt three times, in three new chats. Answers vary from run to run.
5. •For each fact in each answer, mark it as a match, a gap, or an error against your fact sheet.
6. •Save the results with the date. Repeat after any update to the site page, and at least every quarter.

We found no published research on how answer engines describe individual industrial sites, so we do not claim to know how ChatGPT will treat a given listing. The test shows you what it says today, which is the part you can check.

What should you fix first?

Fix errors before gaps. An answer that states the wrong acreage or an expired certification can remove a site from a list. Then fill gaps, starting with the facts site selectors compare first: size, status, utilities, and environmental findings. Keep the wording identical across your site page, the state database listing, and any partner pages, since inconsistent numbers make a property harder to evaluate.

When is a fact sheet not enough?

When the facts behind it are out of date. A fact sheet with a 2019 Phase I assessment and no recertification date tells a careful reader that the information may be stale. Update the underlying studies on the schedule your certification program requires, then update the sheet.

Frequently asked questions

Is there an official definition of a megasite?

Not a single one. Programs and consultants use different thresholds, often 500 or 1,000 acres. If you use the word, say what you mean by it and state the contiguous buildable acres.

How often should site facts be updated?

Whenever a fact changes, and on the schedule your program sets. Louisiana, for example, requires recertification every five years and a Phase I assessment less than five years old at submission.

Why ask ChatGPT three times?

Because answers can change from one run to the next. Three runs per prompt show whether a fact is stated consistently or only sometimes.

Will a fact sheet make ChatGPT describe our site correctly?

No one can promise that. Clear, dated, consistent facts give answer engines better material to draw on. The test tells you what they say now, so you can track it over time.

Sources and references

• •Area Development, Megasites Equal Megabusiness: Certification Requirements and Processes for Megasites and Supersites, August 2008
• •Lindsey Cannon, Quest Site Solutions, Why Great Sites Get Eliminated: The Critical Role of Information Presentation in Site Selection, Area Development, Q3 2026
• •Louisiana Economic Development, Certified Industrial Sites
• •Location Georgia, Georgia's Site Certification Program

Related reading: How Answer Engines Describe Regions · Why AI Site Selection Shortlists Vary · How to Audit AI Narrative Drift