Hospitals must properly dispose of filth and waste.
I had trouble disposing of the waste in the park restroom.
汚物を流さないでください。
Please do not flush refuse.
I cleaned up the filth that had spilled on the floor.
There was filth stuck to the shoe.
The workers removed the filth from the sewer.
排泄物 is a formal, medical term limited to excrement, while 汚物 is broader and covers other unsanitary filth too.
廃棄物 is the legal/administrative term for waste material of any kind, while 汚物 emphasizes filth and unsanitariness rather than disposal category.
sanitary waste receptacle; sanitary napkin disposal bin; fecal specimen container
Compound of 汚 (お, 'dirty') + 物 (ぶつ, 'thing'). The reading おぶつ follows the on'yomi pattern.