Tenn. Comp. R. & Regs. 1200-01-18-.05 - LEAD-BASED PAINT HAZARDS [SUBPART D]

(1) Scope and Applicability. [ 40 CFR 745.61 ]
(a) This subpart identifies lead-based paint hazards.
(b) The standards for lead-based paint hazards apply to target housing and child-occupied facilities.
(c) Nothing in this Rule requires the owner of property (ties) subject to these standards to evaluate the property (ties) for the presence of lead-based paint hazards or take any action to control these conditions if one or more of them is identified.
(d) Identification of the lead hazards as defined on and after the effective date of this Rule, shall be disclosed to the property owner and occupants of the target housing and child-occupied facility.
(2) Reserved [ 40 CFR 745.62 ]
(3) Definitions [ 40 CFR 745.63 ]

The following definitions apply to Rule Chapter 1200-1-18, unless otherwise specified.

"Arithmetic mean" means the algebraic sum of data values divided by the number of data values (e.g., the sum of the concentration of lead in several soil samples divided by the number of samples).

"Chewable surface" means an interior or exterior surface painted with lead-based paint that a young child can mouth or chew. A chewable surface is the same as an "accessible surface" as defined in 42 U.S.C. 4851 b(2). Hard metal substrates and other materials that cannot be dented by the bite of a young child are not considered chewable.

"Common area group" means a group of common areas that are similar in design, construction, and function. Common area groups include, but are not limited to hallways, stairwells, and laundry rooms.

"Concentration" means the relative content of a specific substance contained within a larger mass, such as the amount of lead (in micrograms per gram or parts per million by weight) in a sample of dust or soil.

"Deteriorated paint" means any interior or exterior paint or other coating that is peeling, chipping, chalking or cracking, or any paint or coating located on an interior or exterior surface or fixture that is otherwise damaged or separated from the substrate.

"Dripline" means the area within 3 feet surrounding the perimeter of a building.

"Friction surface" means an interior or exterior surface that is subject to abrasion or friction, including, but not limited to, certain window, floor, and stair surfaces.

"Impact surface" means an interior or exterior surface that is subject to damage by repeated sudden force such as certain parts of doorframes.

"Interior window sill" means the portion of the horizontal window ledge that protrudes into the interior of the room.

"Lead-based paint hazard" means hazardous lead-based paint, dust-lead hazard or soil-lead hazard as identified in Rule 1200-1-18-.05(5).

"Loading" means the quantity of a specific substance present per unit of surface area, such as the amount of lead in micrograms contained in the dust collected from a certain surface area divided by the surface area in square feet or square meters.

"Mid-yard" means an area of a residential yard approximately midway between the dripline of a residential building and the nearest property boundary or between the driplines of a residential building and another building on the same property.

"Play area" means an area of frequent soil contact by children of less than 6 years of age as indicated by, but not limited to, such factors including the following: the presence of play equipment (e.g., sandboxes, swing sets, and sliding boards), toys, or other children's possessions, observations of play patterns, or information provided by parents, residents, care givers, or property owners.

"Residential building" means a building containing one or more residential dwellings.

"Room" means a separate part of the inside of a building, such as a bedroom, living room, dining room, kitchen, bathroom, laundry room, or utility room. To be considered a separate room, the room must be separated from adjoining rooms by built-in walls or archways that extend at least 6 inches from an intersecting wall. Half walls or bookcases count as room separators if built-in. Movable or collapsible partitions or partitions consisting solely of shelves or cabinets are not considered built-in walls. A screened in porch that is used as a living area is a room.

"Soil sample" means a sample collected in a representative location using ASTM E1727, "Standard Practice for Field Collection of Soil Samples for Lead Determination by Atomic Spectrometry Techniques," or equivalent method.

"Weighted arithmetic mean", means the arithmetic mean of sample results weighted by the number of subsamples in each sample. Its purpose is to give influence to a sample relative to the surface area it represents. A single surface sample is comprised of a single subsample. A composite sample may contain from two to four subsamples of the same area as each other and of each single surface sample in the composite. The weighted arithmetic mean is obtained by summing, for all samples, the product of the sample's result multiplied by the number of subsamples in the sample, and dividing the sum by the total number of subsamples contained in all samples. For example, the weighted arithmetic mean of a single surface sample containing 60 µg/ft2, a composite sample (three subsamples) containing 100 µg/ft2, and a composite sample (4 subsamples) containing 110 µg/ft2 is 100 µg/ft2. This result is based on the equation [60+(3*100)+(4*110)]/(1+3+4).

"Window trough" means, for a typical double-hung window, the portion of the exterior windowsill between the interior window sill (or stool) and the frame of the storm window. If there is no storm window, the window trough is the area that receives both the upper and lower window sashes when they are both lowered. The window trough is sometimes referred to as the window "well."

"Wipe sample" means a sample collected by wiping a representative surface of known area, as determined by ASTM E1728, "Standard Practice for Field Collection of Settled Dust Samples Using Wipe Sampling Methods for Lead Determination by Atomic Spectrometry Techniques, or equivalent method, with an acceptable wipe material as defined in ASTM E 1792, "Standard Specification for Wipe Sampling Materials for Lead in Surface Dust", or equivalent method.

(4) Reserved [ 40 CFR 745.64 ]
(5) Lead-Based Paint Hazards [ 40 CFR 745.65 ]
(a) Paint-Lead Hazard - A paint-lead hazard is any of the following:
1. Any lead-based paint on a friction surface that is subject to abrasion and where the lead dust levels on the nearest horizontal surface underneath the friction surface (e.g., the window sill, or floor) are equal to or greater than the dust-lead hazard levels identified in subparagraph (b) of this paragraph.
2. Any damaged or otherwise deteriorated lead-based paint on an impact surface that is caused by impact from a related building component (such as a doorknob that knocks into a wall or a door that knocks against its door frame.
3. Any chewable lead-based painted surface on which there is evidence of teeth marks.
4. Any other deteriorated lead-based paint in any residential building or child-occupied facility or on the exterior of any residential building or child-occupied facility.
(b) Dust-Lead Hazard - A dust-lead hazard is surface dust in a residential dwelling or child-occupied facility that contains a mass-per-area concentration of lead equal to or exceeding 40 µg/ft2 on floors or 250 µg/ft2 on interior window sills based on wipe samples.
(c) Soil-Lead Hazard - A soil-lead hazard is bare soil on residential real property or on the property of a child-occupied facility that contains total lead equal to or exceeding 400 parts per million (µg/g) in a play area or average of 1,200 parts per million of bare soil in the rest of the yard based on soil samples.
(d) Work Practice Requirements - Applicable certification, occupant protection, and clearance requirements and work practice standards are found in Rule 1200-1-18-.01. The work practice standards in that Rule do not apply when treating paint-lead hazards of less than:
1. Two square feet of deteriorated lead-based paint per room or equivalent,
2. Twenty square feet of deteriorated paint on the exterior building, or
3. Ten percent of the total surface area of deteriorated paint on an interior or exterior type of component with a small surface area.


Tenn. Comp. R. & Regs. 1200-01-18-.05
Original rule filed December 5, 2003; effective February 18, 2004.

Authority: T.C.A. §§ 11-1-101 and 68-131-401 et seq.

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