Does a landlord have a duty to monitor and prevent the self-healing of a tenant's health and safety?

Here, the exact opposite conditions for the finding of a duty applythere was a vanishing low degree of foreseeability and the burden of preventing similar harm is highlandlords would have to engage in extensive monitoring of their tenants in order to guard against potentially hazardous self-repair. Such intrusive oversight would run counter to longstanding policies permitting tenants to enjoy their tenancy largely undisturbed and unmonitored by their landlords. (Salinas v. Martin, supra, 166 Cal.App.4th at p. 412.)