That's right. Poison checker.
4 seconds sound clip from the Ratatouille movie soundboard.
You can hear this line at 00:03:01 in the Blu-ray version of the movie.
Quote context
[...]
- Turns out that funny smell was rat poison.
- Suddenly, Dad didn't think my talent was useless.
- I was feeling pretty good about my gift, until Dad gave me a job.
- That's right. Poison checker.
- Close to godliness. Which means clean. You know, cleanliness is close to... Never mind. Move on.
- Now, don't you feel better? You've helped a noble cause.
- Noble? We're thieves, Dad. And what we're stealing is, let's face it, garbage.
[...]