Stop and keep the liquid in the truck until it is contained
A tipped paint can or a leaking oil bottle spreads every time the truck moves. Park, if you are not already in the stall, only where you can do that safely, and keep people off the wet floor. Do not drive to the rental lot trailing drips. Do not open the door over a storm drain and hope the rest runs out. Lay absorbent on the spot. Kitty litter is a common household absorbent when the program accepts it, but follow the program's own instruction if they name something else. Do not add solvent to 'cut' the oil, and do not add paint thinner to thin the paint. Solvents and thinners are hazardous-waste items themselves. An open can in a closed box is a fume problem. Cap what is left. Upright the can. Then deal with the puddle as waste, not as wash water.
Bag the mess the way the program describes
Scoop the used absorbent and the rags into the container or bag your household hazardous-waste program specifies. Do not throw oily rags in the ordinary trash bay unless that attendant, for that site, tells you their rule allows it. Do not throw them in the rental dumpster. Do not dry them on the bumper. Liquid latex paint and oil are not ordinary sweepings. Dried latex is a different question, and only the program or the site can say whether a truly dry can is trash where you live. Do not rinse a wet can into the street to make it 'empty.' Gasoline and solvents follow the same hazardous-waste path. Do not dump, burn, or evaporate them. If the spill is on a furniture pad, the pad is contaminated too. Tell the rental company. Do not wash the pad in a parking lot.
Tell the counter before they discover it
A stain you report with photos and a plain description is a smaller conversation than a stain the next renter finds under a fragrance spray. Show the pictures you took at the site. Say whether it was oil, paint, or unknown. The contract, not a blog, decides what happens next. Do not invent a charge, and do not offer a cash guess. Do not paint the floor to match. A fresh coat is obvious and it traps the spill. Sweep only the dry, clean areas. Leave the absorbed spot contained until the right bag has it. If oil reached the outside step or the bumper, blot that too, and do not hose the bumper into the lot. The return is honest when the liquid is in the hazardous-waste stream and the company has been told.
Before you go
- Stop, upright the can, and keep drips off the storm drain.
- Absorb the spill. Do not hose it or cut it with solvent.
- Bag rags and absorbent as the hazardous-waste program tells you.
- Tell the rental counter what spilled and show the photos.
Rinsing oil or liquid paint out the back of the truck into the parking lot.
Questions people ask
It is only a little latex paint. Can I wipe it and throw the towel in the bay?
Ask the site and the hazardous-waste program. Liquid paint is often a hazardous-waste item even in a small amount. Do not rinse the towel or the can into a drain. Dried latex is a separate question. Do not bake or evaporate a wet can in the truck to force it dry.
I already hosed part of it. What do I say?
Stop hosing. Tell the attendant if you are still at the site, and tell the rental counter what the liquid was and that some of it went on the ground. Do not finish the rinse to make the story simpler. Contain what is left and follow the hazardous-waste instructions for the rags.
Search Dumpmapper by ZIP code or city, then call the site before you load the truck. Hours and accepted materials change.