(CTA). CT angiography is a type of medical exam that combines a CT scan with an injection of a contrast media to produce pictures of blood vessels and tissues in a part of your body. The contrast is injected through an intravenous (IV) line started in your arm or hand.
The only time a landlord must replace the carpet is if it somehow affects the health or safety of the tenants, such as if the carpet is moldy, unsanitary or ripped. The law does not govern aesthetics, so even if the carpet is stained or old, as long as it is in fair condition, the landlord does not have to replace it.
1 The landlord cannot withhold the tenantâs security deposit if the damage is just normal wear and tear and not caused by the tenant. In addition, tenants are not responsible for any defects on the carpet that existed before they even moved in.  Damage and Replacement. If the carpet in a rental unit is damaged and needs to be replaced, the tenant is not responsible to buy a new carpet all by him but instead he is only responsible for the prorated price to the damage he caused to the carpet.