(Gray News) - The FDA reclassified a major potato chip recall to the agency's highest level due to a potential salmonella risk.

The recall involving Zapp's and Dirty potato chips is now a Class 1 recall, according to the FDA.

Utz Quality Foods LLC issued a voluntary recall for Zapp's and Dirty potato chips after a seasoning containing dry milk powder sourced from California Dairies Inc. might be contaminated with salmonella.(FDA)A Class 1 classification is the agency's highest warning level and is used when there is a "reasonable probability" that using the recalled product could result in serious health situations or death.