complete, and the common areas servicing those units, conduct a risk assessment in accordance with § 35.1320(b) within 30 calendar days after receipt of the environmental investigation report if there are 20 or fewer such units, or 60 calendar days if there are more such units.
(2) If the risk assessment conducted under paragraph (f)(1) of this section identifies lead-based paint hazards, the owner shall complete the reduction of the lead-based paint hazards in accordance with § 35.1325 or § 35.1330 within 30 calendar days, or within 90 calendar days if more than 20 units have lead-based paint hazards such that the control work would disturb painted surfaces that total more than the de minimis threshold of § 35.1350(d). Lead-based paint hazard reduction is considered complete when clearance is achieved in accordance with § 35.1340 and the clearance report states that all lead-based paint hazards identified in the risk assessment have been treated with interim controls or abatement.
(3) The requirements of this paragraph (f) of this section do not apply if:
(i) The designated party or the owner, between the date the child's blood was last sampled and the date the owner received the notification of the elevated blood lead level, both conducted a risk assessment of the other assisted dwelling units covered by paragraph (f)(1) of this section and the common areas servicing those units, and the owner conducted interim controls of identified lead-based paint hazards in accordance with § 35.1225(c); or
(ii) The owner has documentation of compliance with evaluation, notification, lead disclosure, ongoing lead-based paint maintenance, and lead-based paint management requirements under this part throughout the 12 months preceding the date the owner received the environmental