AppendixFSAMPLINGPROTOCOLSEPASamplingProtocolforAsbestosAppendixF-iHUDSamplingProtocolforLeadAppendixF-2

# Appendix F-I EPA Samplin9 Protocol for Asbestos 40 CFR 763 s. 763.86 Sampling. (a) Surfacing material. An accredited inspector shall collect,

in a statisticalJy random manner that is representative

of the homogeneous area, bulk samples from each homogeneous area of friable surfacing material that is not assumed

to be ACM, and shall coliect the samples
as follows: (1) At least three bulk samples shall be collected from each homogeneous area that is 1,000 ft\2\ or less, except as provided

in Sec. 763.87(c)(2). (2) At least five bulk samples shall be collected from each homogeneous area that is greater than 1,000 ft\2\ but less than or equal to 5000 ft\2\, except as provided

in Sec. 763.87(c)(2). (3) At least seven bulk samples shall be collected from each homogeneous area that is greater than 5,000 ft\2\, except as provided

in Sec. 763.87(c)(2). (b) Thermal system insulation.
(1) Except as provided

in paragraphs (b) (2) through (4) of this section and Sec. 763.87(c),
an accredited inspector shall collect,
in a randomly distributed manner,

at least three bulk samples from each homogeneous area of thermal system insulation that is not assumed

to be ACM. (2) Collect
at least one bulk sample from each homogeneous area of patched thermal system insulation that is not assumed

to be ACM
if the patched section

is less than

6 linear or square feet. (3) In a manner sufficient

to determine whether the material

is ACM or not ACM, collect bulk samples from each insulated mechanical system that is not assumeo

to be ACM where cement
or plaster

is used on fittings such as tees, elbows,
or valves, except as provided under Sec. 763.87(c)(2). (4) Bulk samples are not required

to be collected from any homogeneous area where the accredited inspector has determined that the thermal system insulation

is fiberglass, foam glass, rubber,
or other non-ACBM. (c) Miscellaneous material.

In a manner sufficient

to determine whether material

is ACM or not ACM, an accredited inspector shall collect bulk samples from each homogeneous area of friable miscellaneous maledal that is not assumed

tO be ACM. (d) Nonfriable suspected ACBM.

If any homogeneous area of nonfriable suspected ACBM

is not assumed

to be ACM, then an accrethted inspector shall collect,
in a manner sufficient

to oetermine whether the material is ACM or not AcM, bulk samples from the homogeneous area of nonfriable suspected ACBM that is not assumed

to be ACM.

# Appendix F-2 From: HUD Guidelines for the Evaluation and Control of Lead-Based Paint Hazards

in Rousing Appendix 13.1: Wipe Sampling for Settled Lead-Contaminated
Dust Wipe samples for settled leaded dust can be collected from floors (both carpeted and uncarpeted), interior and sash/sill contact areas, and other reasonably smooth surfaces. Wherever possible, hard surfaces should be sampled. Wipe media should be sufficiently durable so that
it is not easily torn, but can be easily digested

in the laboratory. Recovery rates of between 80- 120% of the true value should be obtained for all media used for wipe sampling. Blank media should contain no more than 25 pg/wipe (the detection limit using Flame Atomic Absorption). Additional standards for wipe sampling can be found by consulting ASTM ES 30-94. 1. Wipe Sampling Materials and Supplies a. Type of disposable wipe: Any wipe material that meets the following criteria may be used: (i) Contains (ow background lead levels (less than

5 pg/wipe) (H) Is a single thickness (iH) Is durable and does not tear easily (do not use WhatmanTM filters) (iv) Does not contain aloe (v) Can be digested

in the laboratory (vi) Has been shown
to yield 80-120% recovery rates from samples spiked with leaded dust (not lead in solution) (vii) Must remain moist during the wipe sampling process (wipes containing alcohol may be used as long as they do not dry out) Examples

of acceptable wipe media include: “Little Ones Baby Wash ClothsTh,’I “Little Ones Baby Wipes Natural FormulaTM,H

or 

# “Liffle Ones Baby Wipes Lightly ScentedTM,” available
at K-Mart Stores. This product

is also available under the brand names “Pure and Gentle Baby WipesTM” and “Fame Baby WipesTM.fl 

# Individually-packaged

“Wash’n Dri Wipes” are also acceptable. “Wet Wipes,” which are available

at Walgreens and other stores, may also be used. Other brands are also acceptable

if equivalence

in both lead contamination (analysis

of blanks) and laboratory digestion recoveries (analysis
of wipes spiked with known amounts
of leaded dust, not lead in solution) can be established. The wipes listed above have proven
to be sufficiently durable under field use and to have acceptable recovery rates. Do not use “Little Ones Diaper Wipes,” also available

at K-Mart stores, or any other brand of wipes for which recovery data have not been established.
Do not use wipes that contain abe. Wipes that contain alcohol may be used as long as they do not dry out during the wipe process. b. Non-steriHzed non-powdered disposable gloves. Disposable gloves are required
to prevent cross-sample contamination from hands. c. Non-sterilized polyethylene centrifuge tubes (50 ml size) or equivalent hard-shell2 container that canbe rinsed quantitatively

in the laboratory.. ci. Dust sample collection forms contained

in these Guidelines e.Camera

&Film todocument exact locations (Optional) f. Template Options i. Masking tape. Masking tapeis used on-site todefine the areatobe wiped. Masking tapeis required when wiping window sills and window wells in order toavoid contactwith window jambs and channel edges. Masking tapeon floors
is used tooutline the exactareatobe wiped. ii. Hard, smooth, reusable templates made of laminated paper,metal, or plastic. Note: Periodic wipe samples should be taken from the templates

todetermine if the template

is contaminated. Disposable templates arealso permitted
so long as they arenotused for morethan

a single surface. Templates mustbe larger than 0.1 ft 2 ,but smaller than
2 ft 2 .Templates for floors are typically

1 ft 2 .Templates are usually notused for windows due tothe variability

in size and shape (use masking tape instead). g.Container labels or permanent marker. h. Trash bag orother receptacle (do notuse pockets ortrash containers

atthe residence). i. Rack, bag, orbox to carrytubes (optional) j. Measuring tape k. Disposable shoe coverings (optional) 2. Single Surface Wipe Sampling Procedure a.Outline Wipe Area: Floors: Identify the areatobe wiped. Do notwalk onortoubh the surface
tobe sampled (the wipe area). Apply adhesive tapeto perimeter
of the wipe areatoform a squareor rectangle
of about one squarefoot. No measurement

is required

atthis time. The tapeshould be positioned

in a straight line and cornersshould be nominally perpendicular. When putting down any template,
do nottouch the interior wipe area. Windowsills and other rectangular surfaces: Identify the areatobe wiped. Do not touch the wipe area. Apply two strips of adhesive tapeacrossthe sill todefine

a wipe areaatleast 0.1 squarefoot in size (approx.

4 inches

x4 inches). When using tape,do notcrossthe boundary tapeorfloor markings, but be sureto wipe the entire sampling area.

Itis permissible

totouch the tapewith the wipe, but notthe surface beyond the tape. b. Preliminary inspection

of the disposable wiRes: Inspect the wipes todetermine

if they aremoist
If they have dried out,do notuse them. When using

acontainer that dispenses wipes through

a “pop-up” lid, the first wipe in the dispenser

atthe beginning
of the day should be thrown away.The first wipe maybe contaminated

by the lid and is likely tohave dried to someextent. Rotate the container before starting
toensure liquid inside the container contactsthe wipes. c. Preparation

of centrifuge tubes: Examine the centrifuge tubes and make surethat the tubes match the tubes containing the blind spiked wipe samples. Partially unscrewthe caponthe centrifuge tube tobe surethat
it canbe opened. Do notuse plastic baggies
to transport
or temporarily hold wipe samples.. The laboratory cannot measurelead left onthe interior surface of the baggie. d. Gloves Don
a disposable glove ononehand; use
anew glove for each sample collected.

If9 2 two hands are necessary

to handle the sample, use two new gloves, one for each hand,

It is not necessary

to wioe the g!oved hano before sampling. Use
a new grove for each sample colected. e. Initial placement

of wipe: Place the wipe at one corner of the surface
to be wiped with wipe fully opened and flat on the surface. f. First wipe pass- (side-to-side): With the fingers together, grasp the wipe between, the thumb and the palm. Press down firmly, but not excessively with both the palm and fingers (do not use the heel of the hand). Do not touch the surface with the thumb.

If the wipe area is a square, proceed
to wipe side-to-side with as many “S-like motions as are necessary

to comp!etely cover the entire wipe area. (See step

h for non- square areas.) Exerting excessive pressure
on the wioe will cause

it to curl. Exerting too little Dressure will result
in poor collection
of dust. Do not use only the fingertips

to hold down the wipe, because there will not be complete contact with the surface and some dust may be missed. Attempt

to remove
all visible dust from the wipe area. g. Second wipe pass- (top-to-bottom): Fold the wipe in half with the contaminated side facing inward. (The wipe can be straightened
out by laying

it on the wipe area, contaminated side up, and folding

it over.)Once folded, place
in the top corner of the wipe area and press down firmly with the palm and fingers. Repeat wiping the area with “S-like motions, but on the second pass, move
in a top-to-bottom direction. Attempt
to remove
all visible dust. Do not touch the contaminated side of the wipe with the hand or fingers. Do not shake the wipe in an attempt

to straighten

it out, since dust may be lost during shaking. h. Rectangular areas (e.g. window sills): If the surface

is a rectangle (such as a window silO, two side-to-side passes must be-. made over half of this surface, the second pass with the wipe folded so that the contaminated side faces inward. For
a window sili, do not attempt
to wipe the irregular edges presented
by the contour
of the window channel. Avoid touching other portions
of the window with the wipe.

If there are paint chips or gross debris in the window sill, attempt
to include as much of it as possible on the wipe.
If all of the material cannot be picked up with one wipe, field personnel may use
a second wipe at their discretion and insert

it in the same container. Consult with the analytical laboratory

to determine

if they can perform analysis
of two wipes as a single sample. When performing single-surface sampling,
do not use more than two single surface wipes for each container.

If heavily dust-laden,

a smaller area should be wiped.

It is not necessary

to wipe the entire window well but do not wipe less than 0.10 ft 2 (aporox4”

x 4”). i. Packaging the Wipe: After wiping, fold the wipe with the contaminated side facing inward again, and insert aseptically (without touching anything else) into the centrifuge tube or other hard-shelled container.

If grcss debris

is present, such as paint chips in a window well, make every attem pt to include as much of the debris as possible

in the wipe. 

# j. Labelling the Centrifuge tube: Seal the tube and label with the appropriate identifier, Record the laboratory submiffal sample number on the field sampling form (see Chapters

5 and 14). k. Area Measurement: After samz[ng. measure the surface area wiped to the nearest eighth of an inch using a tape measure
or a ruler. The size of the area wiped must be at east 0.10 ft 2 in order to obtain an adequate limit of quantitation
(25 pg/wipe

is the typical detection4 limit with flame A t ;25 pgIO.10 squarefeet
=250 pglft2 ,which
is half ofthe HUD clearance criterion for interior window sills). No morethan
2 squarefeet should be wiped with the same wipe orelse the wipe mayfall apart.Record specific measurements

for each area wiped onthe field sampling form. I.Form Completion Fill outthe appropriate field sampling forms (see Form 5.4 orForm 14.2 in these Guidelines) completely. Collect and maintain anyfield notes regarding typeof wipe used, lot number, collection protocol, etc. m.Trash Disposal: After sampling, removethe masking tapeand throw

it awayin atrash bag. Remove the glove; putall contaminated gloves and sampling debris used for the sampling period into
atrash bag. Remove the trash bag when leaving the dwelling. Donot throw away gloves or wipes inside the dwelling unit where they could be accessible to youngchildren, resulting

inasuffocation hazard. Repeat steps
a. through
m.for additional samples

in the same dwelling unit. 3. Composite Wipe Sampling Whenever composite sampling

is contemplated, consult with the analytical laboratory

to determine

if the laboratory

is capable of anafy2ing composite samples. When conducting composite wipe sampling, the procedure stated above should be. used with the following modifications: When outlining the wipe areas (step a),set upall ofthe areastobe wiped before sampling. The size of these areasshould be roughly equivalent,

sothat oneroom
is not over-sampled. After preparing the centrifuge tube, putonthe glove(s) and complete the wiping procedures
for all subsamples (steps e-i). A separate wipe mustbe used for each area sampled. After wiping each area, carefully insert the wipe sample into the same centrifuge tube (no morethan 4 wipes per tube). Once all subsamples
arein the tube, label the tube. Record

a separate measurement

for each area.- that is subsampled

onthe field collection form (see Form 5.4a orForm 14.2a for a sample form). Finally, complete trash disposal (step m), making surethat no masking tapeis left behind. Risk assessorsand inspector technicians

do nothave toremovetheir gloves between subsample wipes for the same composite sample as long astheir gloved hands do nottouch an areaoutside of the wipe areas.

Ifa glove
is contaminated,
the glove should be immediately replaced with
a clean glove. In addition
tothese procedural modifications,
the following rules for compositing should be observed: • Separate composite samples are required from carpeted and hard surfaces (e.g.,

a single composite sample should notbe collected from both carpeted and bare floors). Separate composite samples are required from each different component sampled (e.g.,

a

# 5 composite sample should not be collected from both floors and window sills). Separate composite samples are required for each dwelling 4. Blank Preparation After sampling the final cwelling unit of the cay, but before decontamination,
field blank sa m.p es should be obtained. Analysis.of the field blank samples determines

if the sample media is contaminated. Each field blank should be labeled with
a unique identifier similar to the others so that the laboratory does not know which sample

is the blank (i.e., the laboratory should be “band” to the blank sample). Blank wipes are collected by removinc

a wipe from the container with
a new glove, shaking the wipe open, refolding
as it occurs during the actual sampling procedure, and then inserting

it into the centrifuge tube without touching any surface
or other object. One blank wipe
is collected for each dwelling unit sampled or, if more than one dwelling unit is sampled per day, one blank for every 50 field samples, whichever

is less. Aiso, collect one blank for every lot used. Record the lot number. 5. Inspector Decontamination: After sampling, wash hands thoroughly with pienty of soap and water before getting into car. A bathroom

in the dwelling unit may be used for this purpose, with the owner’s
or resident’s permission.

If there
is no running water
in the dwefling unit, use wet wipes to clean the hands. During sampling, inspectors must not eat, drink, smoke,
or otherwise cause hand to mouth contact. 6. Spike Sample Submission Sampes spiked with
a known amount
of leaded dust should be inserted into the sample stream randomly
by the person conducting field sampling

to determine

if there
is adequate quality control of the digestion process
at the laboratory. Dust-spiked wipe samples should be submitted blindly to the laboratory
by the individual performing field sampling

at the rate of no less than one for every fifty field samples. Any laboratory can spike wipe samples using the procedure- 

# in Appendix 14.3. The laboratory performing the analysis
of the field samples can also prepare the spike sample as :ong as the person performing the field sampling makes the spike sample6 indistinguishable from the field samples. The person conducting the field sampling should take the spike sample prepared

in the laboratory and relabel the container with an identifier similar to the other field samples. The spike sample wipe should not be put into another container. Spike samples should be made using the same lot as that used in the field. A dust-spiked sample

is defined as a wipe or filter containing

a known weight of lead- based paint dust, measured

to the nearest 0.1 pg of leaded dust. A dust-spiked sample is prepared

in a laboratory with the amount
of lead-based dust present being between 50-1000 pg.For wipe samples, labs should use NIST Standard Lead Paint Dust (Standard 1578) or an equivalent secondary standard. See Appendix 14.3 for further details. 7. Field Qualifications

of Dust Sampling Technicians All individuals performing dust sampling should have state-certified training. Where possible, field experience

in environmental sampling

is preferable. 8. Quality Assurance/Quality Control Blind analysis
of spiked samples must fall within 80%-120% of the true value,

If the laboratory fails to obtain readings within the QA/QC error limits: a. Two more spikes should be sent immediately

to the lab for analysis. b. If the two additional spike samples fail, the sample batch should be considered invalid.
A full review of laboratory procedures may be necessary. Additional samples may need to be collected from the dwelling units from locations near the locations previously sampled.

If more than 50 pg/wipe

is detected

in a blank sample, the samples should be collected again since the media

is contaminatd. Blank correction

of wipe samples

is not recommended, 9. Other Information See Chapter

5 and Chapter
14 for additional information

on dust wipe sampling. Also see “Residential Sampling for Lead: Protocols for Leaded Dust and Soil Sampling” from EPA and ASTM ES 30-94 for further information. Appendix 13.2 Paint Chip Sampling Dust sampling must always be done before paint chip sampling

in order to minimize the prospect
of cross-sample contamination. Paint chip sampling

is a destructive method that may release

a small quantity
of lead dust. Although paint chip samples are to be collected from inconspicuous areas, the occupant must always be notified that paint chip sampling may be necessary. 1. Paint Chip Sampling Tools and Materials a. Sharp stainless steel paint scraper (such as ProprepTM Scraper, $7.50, 1-800-255-4535) available

at many paint stores. b. Disposable wipes for cleaning paint scraper. c. Non-sterilized non-powdered disposable gloves. d. Hard-shelled containers (such as non-sterilized 50-mi polypropylene centrifuge tubes) that can be rinsed quantitatively

for paint chip samples

if results are to be reported

in mg/cm 2 . Ziplock baggies can be used only if results are to be reported in pg/g or percent by weight.7 e. Collection device (clean creased Diece of paper or cleanable tray). f. Field samplino anc laboratory submtta1 forms. g. Tape measure
or ruler (if resu::s are reported

in mg/cm 2 ). h. Ladder. i. Plastic trash bags. 

# j. Flashlight. k. Adhesive tape. I. Heal Gun or other heat source operating below 1100°F
to soften the paint before removal. 2. Containment a. Method One: Plastic Sheeting Underneath Samzling Area A clean sheet of plastIc measuring four feet by four feet should be placed under the area to be sampled
to capture any paint chips that are not captured
by the collection device or creased piece of paper. Any visible paint chips falling to the plastic should be included

in the sample. Dispose
of the plastic after each sample

is collected
by placing the sheeting in a trash bag. Do not throw away the plastic
at the dwelling. Wet wipes may be used to clean the area. b. Method Two: “Glovebag” Approach If further containment

is deemed necessary,

a “glovebag” approach may be used. A durable sheet of plastic
is loosely taped to the surface
to be sampled, with

a paint scraper, collection device, and shipment container housed inside the plastic. There should be enough ‘play”
in the plastic to permit

a scraping motion without dislodging the tape holding the plastic to the surface. Large plastic baggies can be used in lieu of the. sheet of plastic

if paint chips are to be shipped
to the lab in plastic baggies. Properly conducted, this method completely seals the surface during the actual scraping operation.

A four by four foot sheet of plastic

is still required under the glove bag to capture any debris that falls to the ground during tne glove bag removal. The tape should be slowly removed from the surface
to avoid lifting any additional caint off of the surface. 3. Paint Sample Collection The paint chip sample need not be more than 2-4 square inches
in size (consult with the laboratorv for the optional size). Persons collecting paint chips should wear new disposable gloves for each sample. The most common paint sampling method

is to scrape paint directly off the substrate. The goal is to remove
all layers of paint equally, but none of the substrate.

A heat gun should be used to soften the paint before removal to reduce the chances
of including substrate with the sampe and to help prevent sample loss. Including substrate

in the sample will dilute the lead content

if results are reported in pg/g or weight percent. Hold the heat gun no closer than six inches from the surface. Do not scorch the paint. Discontinue heating. as soon as softening

or blistering

is observed. Use
a razor-sharp scraper
to remove paint from the substrate. Paint samples collected

in this fashion are usually reported

in gJg or % cad only. The sample may be placed

in a baggie fcr shipmert

to the laboratory.

If the area sampled

is measured exactly, and all the paint within that area can be removed and coflebted,

it is possible

to also report the results
in mg/cm 2 . All of thesample must be placed
in a hard-shelled container for shipment

to the laboratory. The hard-shelled container

is used since the laboratory wiH analyze the entire sampe submitted. The exact dimensions

of the area sampled must be recorded
on the fied samplng form. Fcr mg/cm 2 , including

a small amount
of substrate

in the sample

is permitted.8 4. Composite Paint Chip Sample Collection Paint chip samples may be composited

by collecting individual subsamples from different surfaces.

If results are reported

in mg/cm 2 ,each subsample should be exactly the same size in surface area.
If results are reported

in weight percent
or pglg, each subsample should have about the same weight (weighing

is done
in a laboratory). The result
is then compared

to the standard for lead-based paint divided by the number
of sub-samples (the composite standard).

If the result
is above this number, one or more of the samples may be above the standard. Each sub-sample should be reanalyzed individually

in this case.
If the result
is below this number, none of the sub-samples can contain lead above the standard. No more than

5 subsamples should be included in the same sample container
or ziplock baggie.

If both single-surface
and composite samples are collected side-by-side,
the individual samples can be submitted for analysis without returning

to the dwelling

if the composite result
is above the composite standard. If the laboratory does not analyze the entire composite sample,

it mustuse

a validated homogenizing technique

to ensure that all sub-samples
are completely mixed together. 5. Cleanup and Repair a. All settled dust generated must be cleaned up using wet wipes. b. The surface can be resealed with new paint
if necessary.

If desired, apply spackling and/or new paint to repair the area where paint was removed. c. Personnel conducting paint sampling should avoid hand-to-mouth contact (specifically, smoking, eating, drinking, and applying cosmetics) and should wash their hands with running water immediately after sampling. The inspector should ask to use the resident’s bathroom for this purpose. Wet wipes may be used
if no running water
is available
or if the bathroom

is not available. 6. Laboratory Submittal The samples should be submitted

to a laboratory recognized
by the EPA National Lead Laboratory Accreditation Program. Appropriate sample submittal forms should be used. The field sample number should appear on the field sampling form, the laboratory submittal form, and the container label. The name of the laboratory, the date the samples were sent to the lab, and all personnel handling the sample from the time pf collection

to the time of arrival at the laboratory should be recorded
on a chain of custody form,
if appropriate. See Appendix

14 for the laboratory analytical procedures

to be used. 7. Qualifications

of Paint Sampling Technicians All individuals performing paint sampling should be certified. Where possible, field experience

in environmental sampling

is preferable. 8. Other Information See ASTM ES 28-94 and ES 37-94 for additional information Protocol For Housing A. Collection Technique General Description Bare soil samples are typically collected with

a coring device or a scooping technique. The device may be used in either of two ways. Most coring devices come equipped with a “T” handle which can be attached
to the top of the coring tool or probe. This allows the operator

to push the tool into the ground. The coring tool can be twisted with the “V’ handle as it is pushed into the ground

in order to allow the cutting edge of the soil probe to cut through roots and packed earth.
In softer soils,

a disposable new plastic syringe
at9 least % inch diameter can be used for each composite sample The other method for using the coring tool is to attach

a hammer device
to the top of the coring tool. To utilize the coring too in this manner, the hammer device

is first attached

to the top of the coring tool and the tip of the probe

is placed on the ground where the sample

is to be collected. The hammer

is then rased and aliowed
to fall while

it is guided by the operator’s hands. The hammer attachment may be the most approphate tool when the nature of the soils is hard and compacted. Otherwise the ‘T’ handle

is easier to use. The soil samples are collected
by driving or pushing the coring tool into the ground, usually about
% inch deep. The tool is then moved gently from side to side to loosen

a plug of soil. The tool is then pulled from the ground and the sofl sample

is pushed so that the upper part of the soil plug lies between one inch marks made on the coring device. The top one half inch of the soil sample

is tnen cut from the core with

a stainless steel knife or cutting tool provided for that purpose. Tnis top one haff inch section of the soil core is then transferred

to a sample container.
All sub-samples
are coliected

in this manner. The collection

of subsamples from the sampling line is referred
to as a “composite” sample. After collecting

a composite sample, the soil probe should be decontaminated

or discarded

if disposable core liners are used. This process consists
of wiping the end of the probe with wet wipes until no more visible dirt is removed from the probe. Similar cores are then collected from the bottom inch of the six-inch core. B. Materials and Supplies 1. Core sampling device: Standard soi coring device. Other similar core sampling devices may be used, such as disposable plastic syringes with the end cut off. The plunger

is used to remove the soil from the syringe body.
2. Disposable wipes. 3. Non-sterilized

5” x 8” plastic ziplock baggies: Unless baggies are 4 mu industrial strength, they must be double bagged. 4. Nori-sterilzed non-powdered disposable gloves: For example, Action Scientific (800-678-1033)
No. A-IDE 5. Floor Plan
& Property Sketch 6. Soil Sample Collection Form 7. Laboratory submittal form 8. Pre-printed labels or permanent ink pen 9. Trash bag or other receptacle (do not use pockets
or trash containers

at the residence) C. Bare Soil Sampling Procedures 1. Soil sampling

is not recommended when the ground

is frozen. 2. The location of soil samples should be recorded
on the exterior site plan sketch. 3. Perimeter Sampling Locations: One composite soil sample should be collected
so that at least

5 and no more than 10 different aliquots
of surface soil are collected from the building perimeter. The aliquots should be collected from all sides of the building where bare soil is present. Each spot should be at east
2 feet distant frDm each other and
2 feet away from the foundation, unless the bare soil

s closer than 2 feet. 4. Play Area Sampling Locations:

A second composite sample should consist of at least

5 and nc more than 10 aliquots coflected along an X-shaped grid in the child’s principle play area. Each spot should be at least

1 foot distant from each other. The soil where the aliquots are collected must be bare. 5. The core sampling device should be used to deliver the top1/2 inch of soil from each spot to the baggie. No special effort should be made to collect visible paint chips.

If paint chips are present, they should not be avoided and should be included10 inthe sample. When sampling play areas,the inspector should make aneffort to avoid including grass, twigs, stones,and other grossdebris
in the sample. 6. When all aliquots
ofthe composite sample have been placed

inthe baggie, the baggie should be ziplocked.

Ifthe baggie

is not4muindustrial weight, the sample should be double bagged.

A label with the sample number should be affixed tothe baggie. The number should be recorded
onthe soil plat form showing the approximate location
of each sample and the soil collection field data form. 7.The core sampler should be cleaned with

a disposable wipe after each domposite sample

is collected.

If a disposable core sampler

is used,

it canbe used for all subsamples, but notnew composite samples unless

it is cleaned thoroughly.-0. Laboratory Submittal 1. Submittal Form Preparation The sample numbers
onthe sample container mustbe the sameasthose onthefield sampling form and mustalso be used onthe laboratory submittal form. Confirm that all sample recorded
onarein fact presentonthe laboratory submittal form. Chain of custody requirements should be followed

if applicable. E. Laboratory Analytical Procedure. 1. Laboratories analyzing soil samples must participate

inthe Environmental Lead Laboratory Proficiency Testing Program
or equivalent and be anEPA..NLLAP Accredited Laboratory. 2.Soil samples arereceived, logged in, opened and placed on drying plates, dried, and mixed thoroughly. 3. Sample sieving: Samples aretobe sieved oncewith
anumber
10 sieve with
amesh size of 2 milLimeters. Visible paint chips are disaggregated

by forcing the paint chips and other large particles through the sieve by a rubbing motion. Sieving

is always done under

a laboratory hood. 4. Samples areovendried toaconstant weight and analyzed
byEPA Method SW-846 or equivalent. F.See ASTM ES 29-94 for further information.