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Grimes v. Kennedy Krieger Institute8/16/2001
houses. Houses in each group received different amounts of repair and maintenance. The following three groups of houses within the first component of the research study were:
Group 1 - Repair & Maintenance Level I - Properties receiving a minimal level of repair and maintenance ($1,650.00).
Group 2 - Repair & Maintenance Level II - Properties receiving a greater level of repair and maintenance ($3,500.00).
Group 3 - Repair & Maintenance Level III - Properties receiving an even greater level of repair and maintenance ($6,000.00 - $7,000.00).
Repair & Maintenance Level I interventions were capped by DHCD at $1,650 and included wet-scraping of peeling and flaking lead-based paint and paint of unknown composition on all interior surfaces, including walls, trim, and doors; repainting of treated surfaces; installation of window well caps; repainting of all exterior window trim, repainting of all interior window sills; vacuuming of all horizontal surfaces and window components with a high efficiency particulate (HEPA) vacuum; and wet cleaning all horizontal surfaces. Level II interventions were capped by DHCD at $3,500 and included all the elements of Level I intervention plus two key additional elements: use of sealants and paints to make floors smoother and more easily cleanable, and in-place window and door treatments to reduce abrasion of lead-painted surfaces. Level III interventions were capped by DHCD at $6,000 - $7000 and added window replacement and encapsulation of exterior door trim with aluminum, and the use of coverings on some floors and stairs to make them smooth and more easily climbable.
Measurements of lead in the blood of the children and vacuum dust samples from the houses were to be obtained at the following times: pre-intervention, immediately post intervention, and one, three, six, twelve, eighteen, and twenty-four months post intervention. Measurements of lead in the exterior soil were to be obtained at pre-intervention, immediately post intervention, and twelve and twenty-four months post intervention. Measurements of lead in drinking water were to be obtained at pre-intervention, and twelve and twenty-four months post intervention. Additionally, the parents of the child subjects of the study were to fill out a questionnaire at enrollment and at six-month intervals.
The second component of the research study was composed of two control groups:
Group 4 - Properties identified as having previously been completely abated of lead paint which were to receive no additional repair and maintenance.
Group 5 - Modern Urban Dwellings - Properties constructed after 1980 and presumed not to have lead-based paint which were to receive no repair and maintenance.
The study called for similar collection and evaluation of blood, dust samples, soil, and drinking water for lead content at similar time intervals as the first component. Measurements of lead in blood of the children and in vacuum dust samples in these houses were to be obtained at enrollment and six, twelve, eighteen, and twenty-four months post enrollment. Measurements of lead in the exterior soil and drinking water were to be obtained at enrollment, and at twelve and twenty-four months post enrollment. The participants in the fourth and fifth groups were instructed to fill out a questionnaire at enrollment and at six-month intervals.
The research study was to collect data from all five groups over a period of two years. There were two sets of criteria for enrollment in the research study - one for the properties and one for the residents. With respect to the properties involved in the first three test
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