No trash bins can be found in the restaurant
-To the left of the first washing machine there is a small room that hase 1 trash bin inside
-After the first ice puzzle there is a room with a bunch of books that explaine how different status effects work, in said room there is a trash bin
-Exiting the room with all the books and continuing down the hall you will see an entrance to another small room, there is 1 more trash bin there (also a pc if you need it)
-There are no thash bins in the room that you fall in when you fail the ice puzzle

-Trash bin in the Fish and Chip shop
-There is a trash bin in the end game studio (secret location behind the east city sigh, to unlock the door to it you need to come back to the 1000 futures, ride the elevator to the 3-rd floor and pick up "studio key"
-There is a trash bin on the roof of the big shopping building (there is also one on the ground floor but you can't interact with it)

There is a trash bin in the tv guy shop (THIS ONE WILL BE LOCKED AFTER CHAPTER4, CHECK HIS SHOP AFTER THE COOLROOM CHAPTER)

-Trash bin at the entrance of the Big Dig's house (the first one of the 3 you see first in the south city)
-Trash bin at the entrance of the 2-nd of the 3 houses
After those 3 houses there are 2 more
-Trash bin at the entrance of the pink house
-Trash bin in the white house
-2 trash bins in the arcade
The next trash bins are on S.S. Andy
-Trash bin in room 30
-Trash bin in Mr. Apricot office
-2 trash bins in the dining hall

-There is 1 trash bin on the 8-th floor, you need to defeat the chunky door and get into the room behind it

-There are 2 trash bins in the Gloss's house (one on the first floor, one on the second)
Yeah that's all, no point in going to the forest or the cave

-There is a trash bin on the L floor near the cages
-There are 2 trash bins in the room with the 2 reactor puzzle (the one that Dolus solved)
-There is a trash bin in the room with trash converter prototypes
There are a fiew trash bins in the room with warp portals on the 1 floor(Hang with me, there are a lot and they all are in different places)
-There is a trash bin behind the 2 portals in the starting room
-From the starting portal if you go to the top one, then to the bottom left, then the next one, then the bottom left again you will be in a room with 16 TRASH BINS!!!!!!!
- Next is: starting portal, Top portal, bottom left, next one and bottom right there is a trash bin hiden behind some boxes
-From that room: bottom left, next one, bottom left, top right or bottom right there will be a room with 3 portals and a trash bin

These are all of the trash bins (44 total which is a weird number), after you check them all you will get the achivement
Hope this helps those who are trying to get all achivements, like me.
Sorry for bad grammar, I am tired and english is my 3 language