New Jersey Administrative Code
Title 5 - COMMUNITY AFFAIRS
Chapter 17 - LEAD HAZARD EVALUATION AND ABATEMENT CODE
Subchapter 9 - FINAL INSPECTION AND CLEARANCE TESTING
Section 5:17-9.1 - Final inspection and clearance testing

Universal Citation: NJ Admin Code 5:17-9.1

Current through Register Vol. 56, No. 18, September 16, 2024

(a) To allow lead dust to settle, the final inspection and clearance testing shall begin no sooner than one hour after the final cleaning is completed.

(b) The final inspection shall consist of a visual inspection to verify that all abated surfaces have been replaced, painted, or sealed, and the collection of environmental samples to ensure that the work area has been effectively cleaned.

1. Wipe samples shall be taken from the abated area, one sample from within 10 feet outside the containment area and one sample from any nearby high traffic area.

2. When an abatement project involves exterior abatement work, soil samples shall be collected around the foundation of the structure and in any play areas that could have been affected by the work. All soil samples shall be composite samples as described in (d) below.

(c) Single surface samples, which shall consist of one sample in a single, hard, rinsable container, shall be required for all abatement projects.

1. Single surface sampling shall follow the methodology at 5:17-3.3(d) of this chapter.

2. Single surface sampling shall comply in number and location with Table 9.1 below.

(d) Composite clearance samples, which shall consist of no more than four subsamples in a single container, are allowed for abatement projects where similar lead hazard control treatments were used in multiple rooms of the same dwelling. Composite sampling shall be performed in accordance with 5:17-3.4(c).

(e) The following lead dust levels are acceptable for clearance:

1. Floors--100 [mu] g/square foot;

2. Interior window sills--500 [mu] g/square foot; and

3. Window wells, exterior concrete, rough surfaces--800 [mu] g/square foot.

(f) The following lead dust levels are acceptable for clearance at residential buildings and child occupied facilities:

1. Floors--less than 10 µg/square foot;

2. Interior window sills--less than 100 µg/square foot;

3. Window wells--less than 400 [mu] g/square foot.

(g) Random sampling is permitted in multifamily buildings with 10 or more dwelling units where the units are similarly configured and have had comparable lead control activity, performed at the same time and using the same abatement contractor. The units to be tested shall not be selected until all abatement activity and cleaning have been completed.

(h) Field spiked samples shall be submitted and analyzed in accordance with the requirements of 5:17-3.3(d).

(i) All clearance samples shall be analyzed at a laboratory participating in the NLLAP program or an equivalent independent national accreditation program.

TABLE 9.1
Recommended Minimum Number and Location of Clearance Dust
Samples for All Abatement and Interim Control Work
Clearance CategoryCategoryNumber and Location ofNumber and Location of
DescriptionSingle-Surface Wipe Samples in Each Area *Composite Wipe Samples
1InteriorTwo dust samples from everyThree composite samples for
treatmentsroom in dwelling (whether treated or untreated): every batch of four rooms
(whether treated or untreated):
..One interior window sillOne floor composite
or window
trough, alternatingOne interior window sill
between rooms,composite
.One floor .One window trough composite
No containment within dwellingANDAND
.For common areas, one for.For common areas, one
every 2,000 ft< 2 > of afloor subsample for every
common area room floor (if present).2,000 ft< 2 > (if present);
up to 8,000 ft< 2 > can be
sampled for each composite.
2InteriorSame as Category 1, but onlySame as Category 1, but only
treatmentsin every treated roomin every treated room
AND,AND,
One floor sample out- sideOne floor sample outside the
the containment area butcontainment area but within
within 10 feet of the airlock10 feet of the airlock to
to determine thedetermine the effectiveness
effectiveness of theof the containment system.
containment system. This(This extra single-surface
extra single-surface samplesample is recommended in 20
is recommended in 20 percentpercent of the treated
of the treated dwellings indwellings in multifamily
multifamily housinghousing
and all single-familyand all single-family
With contaihomes.homes.)
nment
(plastic.For Common Areas, one.For Common Areas, one
sheetingfloor sample for everyfloor dunsample for every
as airlock2,000 ft< 2 > and one floor2,000 ft< 2 > (up to 8,000
on doorsbesample outside containment.ft< 2 > for each composite)
tweenand one floor sample
treated.outside containment
and untrea
ted areas)
3ExteriorTwo dust samples as follows:Two dust samples as follows:
treatments
..At least one dust sampleOne composite on a
on a horizontal surface in horizontal surface in part of the outdoor livinghorizontal surface in part of the outdoor living area (e.g., a porch floor or entryway), and One window trough composite for every 4 floors where exterior work was performed, including lower floors where exterior work was not done, if present.
of the outdoor living area
(e.g., a porch floor or entryway), and
..One window trough sample
on each floor where exterior work was performed. An additional trough sample should be collected from a few lower floors to determine if troughs below the area were contaminated by the work above.
4Soil TreatmentOne sample from theOne sample from the
entryway.entryway.
....
....
A room includes a hallway or a stairway. If no window is present, collect
just one floor sample. When a closet is treated, the room to which it is
attached should be tested. A closet is not considered to be a separate room.
SOURCE: PRE-PUBLICATION COPY: Guidelines For The Evaluation And Control of
Lead-Based Paint Hazards in Housing, The National Center for Lead-Safe
Housing, February 1995.

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