A manager at an Arby’s fast-food restaurant in Washington state has been accused of urinating into a milkshake mix. While the manager claims he threw the mix outside, police said that it is likely to have been served to dozens of people.

Police in Vancouver, across the Columbia River from Portland, Oregon, found video footage of the 29-year-old man peeing into a bag of milkshake mix. The incident came to light as authorities were executing a search warrant on his phone as part of an investigation into child sex abuse images, the Columbian newspaper reported.

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The unnamed manager, who is also facing child abuse image allegations, made his first court appearance last Wednesday. He again appeared in court on Friday due to the new allegation of second-degree assault with sexual motivation. His bail Friday increased from $5,000 to $40,000. He is scheduled to be arraigned May.

According to a probable cause affidavit filed in Clark county superior court, the video is likely recorded in October last year at an Arby’s in Vancouver’s Mill Plain neighborhood.

When questioned, the manager told investigators that he urinated in the milkshake mix bag at least twice, but said he was “almost sure” he threw the bag out.

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The manager also said that he did it for sexual gratification. He also claimed that in case he did not throw the bag away, the contents of it may have been added to other mix by the next shift.

According to court records, submitted by investigator, the restaurant sold at least one ice cream float and about 30 to 40 milkshakes that day.

There is no significant health risk to consuming a drink contaminated with urine, Clark county public health director Dr Alan Melnick told the Columbian.