Shawn K. Stevens, Food Industry Counsel
Food Safety Attorney

To Test Or Not To Test?

By Shawn K. Stevens
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Shawn K. Stevens, Food Industry Counsel

Companies will increasingly find themselves in circumstances where the federal government is demanding to take environmental or finished product samples. In those circumstances, a companion sample may not be your friend.

In recent years, the federal government has become increasingly aggressive in its investigation of foodborne illness outbreaks, its inspections of food processing facilities, and its food safety enforcement activities. Notably, the federal government’s recent full-court, food safety press has been driven, in large part, by the increased visibility and awareness of food safety in the media and among consumers.

As FDA has been given additional food safety authority in recent years, the USDA has stepped up its game as well. Not wanting to be left behind, perhaps, USDA has begun focusing more aggressively on possible connections between slaughter establishments and outbreaks or positive regulatory ground beef samples. Under the Systems Tracking E. coli O157:H7 – Positive Suppliers (STEPS) framework, for instance, USDA will often take action against slaughter establishments that repeatedly appear in the STEPS system. This can take many forms, ranging from intensified environmental pathogen sampling to a Food Safety Assessment (FSA) for cause.

If USDA decides to conduct environmental pathogen sampling to “test” a company’s preventative controls or its compliance with the regulations, that company is always welcome to take its own “companion” or “sister” samples. With that said, I do not believe there is any benefit to actually doing it.

If an USDA environmental sample tests positive, the agency will not care whether a companion sample tests negative. Contamination is not always distributed evenly, and testing sensitivities will often vary. Thus, FSIS will in all instances treat its own result as a “positive finding.”

The same general rules apply with respect to environmental sampling, whether being conducted by USDA or FDA, for other pathogens like Salmonella or Listeria. In the event of a positive, the government will likely not care about a negative companion sample collected by the company, and will rely on its own results. Moreover, what happens if the agency sample tests negative, and the companion sample collected by the company tests positive? I have seen it happen many times.

Thus, here too, I do not see any compelling benefit, nor do I counsel my clients, to always collect companion samples. Moreover, if they elect not to do so, it also avoids the complexities of determining whether to hold, test or even destroy companion samples in the event a governmental sample ultimately tests negative.

With that said, if a company thinks that it may someday want to take companion samples when USDA or FDA performs its own environmental testing, I would strongly urge that the company adopt a written policy governing the specific circumstances under which such samples will be taken. This, of course, would apply to both FSIS environmental and finished product sampling.

Such a policy should clearly define the limited circumstances under which companion samples will be collected, and state that those samples will ONLY be tested in the event of a FDA or USDA positive. In this regard, the policy should articulate that the company will rely upon the governmental findings (and it really has no choice), while at the same time setting forth the justification for performing companion testing (i.e., in the event of a finished product regulatory positive to assist in the determination of the ultimate source). The policy should also make clear, however, that if the FDA or USDA sample tests negative, the companion sample will be discarded within a set period of time (i.e., 24 hours).

If a company adopts such a policy, and then closely follows that policy, it should be able to avoid any second-guessing from the agency (or a trial lawyer in a future lawsuit) if a subsequent issue arises or a recall later occurs. Moreover, assuming the policy provides the underlying justification for the protocol to be followed (which it should), I also think any moral obligation to test a companion sample in the event of an agency negative simply falls away.

Increasingly, companies will find themselves in circumstances where the federal government is demanding to take environmental or finished product samples. Think twice, in those circumstances, about whether a “companion” sample is really your friend.

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Shawn K. Stevens, Food Industry Counsel

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