Have the lines water Jetted to scour them properly and get rid of years of crud build up
replace it or shampoo it
move
A SKUNK WAS IN YOUR BASEMENT????Idk, maybe air freshiner?Rent an ozone generator.
see that vent is downstream from trap
Buy a dehumidifier. Rent an ozone generator. Info on my site.
Eva-dry EH-500F, will dry air and prevent formation of mold and fungi. This will help you in getting rid of musty smell from basement. For better result it is advisable to clean basement before installation of Eva-dry EH-500F. You can get Eva-dry EH-500F, with fragrance.
A fuel smell inside a house should be ventilated immediately. Open doors and windows and allow this to air out. Scrub the area with a mild soap and hot water to diminish the fuel left on the floor.
Keep the basement clean and get rid of moisture. http://extension.missouri.edu/publications/displaypub.aspx?p=gh5928
You probably still have some dampness and/or mould left in the walls. _________________________________________________________ Try sprinkling "Baking Soda" around the effected areas, very liberally. It should have the happy effects of drawing off the residual moisture and reducing the smell.
Adding a diluted solution of Chlorine to the water should sanitize it and rid it of the bad smell
Black Dippex, also known as Jeyes Fluid. Controls the smell around sewage dumps, garbage cans, man holes, septic tanks and long drops (pit latrines.) The stronger the smell the more Black Dippex can be used. Spray or mop onto the affected area or use a stiff broom to scrub it.
I do. It is in my basement and I can't get rid of it.
Febreeze.