It can overwhelm the microorganisms and damage the system. Try to recycle it. Car Batteries Car batteries contain lead and sulfuric acid, so avoid skin contact and wear neoprene or heavy rubber gloves when handling. Recycle your old battery where you purchase your new battery. Gasoline Avoid skin contact when handling gasoline, and wear nitrile or chemical-resistant gloves.
Gasoline contains benzene, a human carcinogen.
Never siphon gasoline from engines with your mouth as it can cause chemical pneumonia. Motor Oil Used motor oil contains heavy metals and toxins. Wear nitrile or chemical-resistant gloves when handling motor oil to avoid skin contact. Pour into a reusable plastic container with tight fitting lid and take to a service station or oil change shop for recycling. Transmission Fluid Used transmission fluid contains toxic heavy metals.