Environmental diligence and the Phase I in New York

Why this is different from every other diligence item

Almost everything else you check in a business purchase is about value. You are working out whether the earnings are real, whether the customers stay, whether the lease survives. If you get one of those wrong, you overpaid.

Environmental is not that. Federal law attaches cleanup liability to the owner of the property, whether or not that owner put anything in the ground. So if you buy a site with a problem underneath it, the problem becomes yours — and the cost is set by what it takes to remediate, not by what you paid for the business.

What EPA provides is a set of defences: innocent landowner, bona fide prospective purchaser, and contiguous property owner. And all of them run through the same gateway, which EPA describes as "the process of evaluating a property's environmental conditions and assessing potential liability for any contamination" — All Appropriate Inquiries, at 40 CFR Part 312 ^[1] .

That reframes the Phase I. It is not evidence that the site is clean. It is the procedural step that preserves your ability to say you did not know and had no reason to know.

The defence has an expiry date

This is the part that catches buyers, and it is worth stating flatly.

There is a second, separate problem with inherited reports: reliance. A consultant's report is addressed to the party who engaged them, and third parties generally have no right to rely on it. If you are being handed the seller's Phase I, the questions are: how old is it, does it meet the current standard, and will the consultant issue a reliance letter naming you and your lender? Without that letter, you are reading a document, not holding a defence.

EPA recognises ASTM E1527-21, the Standard Practice for Environmental Site Assessments, as compliant with the AAI Rule ^[1] . When you engage a consultant, that is the standard to specify.

Phase I, Phase II, and what happens in between

The practical lesson is about sequencing. Commission the Phase I early in diligence, not as a closing condition. A recognised environmental condition found in week two is a negotiation. The same finding discovered a week before closing is a crisis, and crises get resolved on the terms of whoever is less desperate.

What New York adds on top

The federal framework governs liability. New York adds registration and reporting duties that land on you as soon as you own the place — and both of these are day-one items, not diligence items.

Petroleum bulk storage: the registration does not come with the property

If the site has petroleum storage tanks, it is very likely registered under DEC's Petroleum Bulk Storage programme. Buyers routinely assume the registration transfers with the land. It does not.

DEC states that on a change of property ownership "the new property owner must re-register with a change-of-ownership application and pay the required fee", and that "Registrations are not transferrable from one property owner to the next". The application "must be submitted within 30 days of the transfer of ownership (see 6 NYCRR 613-1.9(d))", accompanied by a copy of the first page of the deed showing the owner and the date ownership began. Registrations run for a five-year period ^[2] .

Three things follow for a buyer:

• Put re-registration on the day-one list, with the 30-day deadline against it. This is the kind of obligation that gets discovered at the next renewal, by which point you have been out of compliance for years.
• Pull the existing registration during diligence and check it against what is physically on site. Tanks that were closed but never deregistered, or installed but never registered, are both common and both yours after closing.
• Find where the site sits in its five-year cycle, alongside the tank testing and inspection records.

Spill reporting: a two-hour clock, from day one

New York's reporting duty is fast, and it applies to you from the moment you take over. Petroleum spills must be reported to the NYS Spill Hotline (1-800-457-7362) within 2 hours of discovery ^[3] .

There is an exemption, and it is narrower than people assume. All four of these must be true:

• The quantity is known to be less than 5 gallons;
• The spill is contained and under the control of the spiller;
• The spill has not and will not reach the State's water or any land; and
• The spill is cleaned up within 2 hours of discovery.

Look closely at the third condition. DEC's position is that "A spill is considered to have not impacted land if it occurs on a paved surface such as asphalt or concrete. A spill in a dirt or gravel parking lot is considered to have impacted land and is reportable." So the same five litres is exempt on concrete and reportable on gravel. If your site has an unpaved yard, your staff need to know that before it matters.

Make this part of the handover. Whoever is on site should know the number, the two-hour rule and the four conditions, on the first day — not after the first incident.

When to commission environmental work

The instinct is to ask whether the business is "the kind that has this problem". That is the wrong question, because the liability follows the site, not the current use.

What to do when something is found

A recognised environmental condition is not automatically the end of a deal. What it is, always, is a change in the deal — and the mistake is treating it as a problem to be resolved quickly rather than one to be sized properly.

• Find out the scope before you negotiate. A REC is an indication, not a quantity. Until a Phase II tells you what is there, any number being discussed is invented, and invented numbers favour whoever is more comfortable with the uncertainty.
• Do not let the timetable set the answer. If the diligence period cannot accommodate the work, extend the diligence period. A closing date is a preference; this is not.
• Understand who carries it. Price reduction, escrow, indemnity, seller-funded remediation before closing, or walking away are all real options with different risk profiles. An indemnity from a seller who is retiring and distributing the proceeds is worth what that seller is worth in two years.
• Get the professionals in the right order. The environmental consultant sizes it; counsel structures who carries it; your lender needs to be told early, because it may change what they will do.
• Ask about the state programmes. New York operates remedial programmes that can change the economics of a contaminated site substantially. Whether one applies to a specific parcel is a question for counsel and your consultant, and it is worth asking before concluding a site is unbuyable.

The buyer's environmental checklist

• Commission your own Phase I, to ASTM E1527-21, early in diligence.
• Confirm the timing against the one-year and 180-day windows relative to your expected closing date — and re-check if the closing slips ^[1] .
• Get a reliance letter naming you and your lender if any existing report is being used.
• Research the site's history, not just the business's — prior uses, prior owners, adjoining parcels.
• Pull the PBS registration and reconcile it against the tanks actually on site ^[2] .
• Request the spill history for the site and the seller's records of any past incidents.
• Ask for prior environmental reports, including ones that came back clean — and ask directly whether any were commissioned and not produced.
• Diarise the 30-day PBS re-registration before closing, not after.
• Brief your staff on the 2-hour rule and the four exemption conditions as part of the handover ^[3] .
• Check insurance. Standard general liability commonly excludes pollution; whether you need separate cover is a question for your broker on the specific site.

A necessary limit on this page

Environmental liability is one of the areas where general guidance runs out fastest. What is on this page is the shape of the framework, the deadlines that catch buyers, and the questions worth asking early — enough to stop you skipping the work or relying on a stale report.

It is not a substitute for an environmental consultant on your specific site or counsel on your specific transaction. If a Phase I comes back with a recognised environmental condition, that is the point to bring in both, and the point at which reading more articles stops helping.