HUD Ch. 11: Interim Control

Question 1

Involves stabilizing any deteriorated paint on the assumption that all deteriorated paint contains lead, thoroughly cleaning all surfaces, and covering all bare soil

Answer 1

Interim control

Should be followed by a risk assessment

Question 2

Site-specific lead hazard control plan

Answer 2

• Identify hazards
• Feasibility of control measures
• Occupant protection
• Financing
• How and when ongoing monitoring should

Question 3

When are interim controls appropriate?

Answer 3

• When most surfaces with lead-based paint are intact and structurally sound
• Lead exposure comes primarily from deteriorating paint and excessive lead levels of lead in household dust and/or soil
• If housing unit is slated for demolition or renovation within a few years

Question 4

Lead hazards must be abated in the course of substantial rehab projects using more than $________ of Federal Funds per dwelling unit

Answer 4

$25,000

per Title X

Question 5

Unless prohibited, the property owner may elect to proceed with lead hazard control measures without a ______ Assessment or paint inspection.

Answer 5

Risk Assessment

When no evaluation is conducted, the property owner must assume all surfaces have lead-based paint, all floors and dust traps are contaminated, and all bare soil is contaminated.

Question 6

Documentation required:

Answer 6

• Risk Assessment and/or Inspection Report
• Lead Hazard Control Plan
• Clearance Examination Report
• Reevaluation Reports
• Maintenance & Monitoring Log
• Statement of Lead-Based Paint Compliance

Question 7

Reevaluations should occur _________, as indicated in the site-specific schedule

Answer 7

annually

Question 8

For exterior work, collect _______ ________ before work begins

Answer 8

soil samples

Needed for the clearance inspection

Question 9

Clearance testing should be performed_________

Answer 9

Whenever a job creates dust

Question 10

A dust lead hazard is defined as:

Answer 10

interior floor: >/= 40 micrograms/ft2
interior horz. surface: >/= 250 micrograms/ft2
exterior horz. surface: >/= 400 micrograms/ft2

(CDPH & HUD & EPA)

Question 11

Lead contaminated soil is defined as:

Answer 11

Child’s play area: >/= 400 ppm
All other areas: >/= 1000 ppm (CDPH)
>/= 1200 ppm (EPA & HUD)

Question 12

Definition of lead-based paint:

Answer 12

> /= 1.0 mg/cm2 (XRF)
OR
/= 0.5% by weight (chip sample)

Question 13

For soil sampling, a child play area includes:

Answer 13

bare soil in areas where children play, including sandboxes.

Question 14

Non child play areas to take soil samples:

Answer 14

• dripline/foundation area (recommended to always sample here - shown to have higher lead levels)
• vegetable gardens
• bare pathways
• pet sleeping areas

Question 15

If bare soil areas total less than _____sq. ft., sampling of non-play areas of the yard is not necessary

Answer 15

9 sq. ft.

Question 16

The top _____inch of soil should be collected

Answer 16

5/8th inch

Question 17

If paint chips are present in soil they should be ______

Answer 17

included in the sample.

but make no attempt to target areas with visible paint samples

Question 18

Sub samples should be taken ____to____ft. apart

Answer 18

2 to 6 feet apart

Question 19

For gardens ____to____ samples should be taken at depths of ____to_____inches to account for previous soil mixing

Answer 19

6 to 12 samples; 3-4 inches

Question 20

Types of interim controls:

Answer 20

• REPAIRING all rotted or defective substrates that could lead to rapid paint deterioration
• Paint film STABILIZATION (by removing det. & repainting)
• FRICTION & IMPACT SURFACE TREATMENT (floors , sills and troughs so they are smooth and cleanable)
• FRICTION & IMPACT SURFACE TREATMENT such as windows, doors, stair treads, and floors when they are generating lead-based paint chips or excessive levels of leaded dust
• TREATING PROTRUDING accessible surfaces, where there is evidence showing kids are CHEWING on them
• TREATING ALL BARE SOIL containing excessive levels of lead
• DUST REMOVAL and control (cleaning to reduce lead levels
• EDUCATING residents and maintenance workers on how to avoid lead poisoning
• Conducting REEVALUATIONS by certified individuals, ongoing monitoring by owners, and observation by residents