EP 1110-1-28
31 Aug 01
2.2.1.3
Risk Assessment Sample and Sample Location Documentation
Upon completion of the visual examination for each unit included in the assessment, and prior to actual
sampling, the Contractor shall clearly mark, number and otherwise uniquely identify all dust, paint chip,
and soil samples by marking the locations on the floor plan or sketch and by using the forms indicated
below. The resultant information shall be compiled and labeled the "Risk Assessment Sample and
Sample Location Documentation" before actual sampling commences on a unit-by-unit basis. Sampling
shall be completed immediately following the visual examination and sample location documentation,
prior to exiting the unit to proceed to the next.
Single surface dust sample locations shall be recorded on the floor plan or sketch and by filling in the
identifying information on Form 4 (see Figure B-4, Appendix B).
Paint chip sample locations shall be recorded on the floor plan or sketch and by filling in the identifying
information on Form 3 (see Figure B-3, Appendix B).
Each composite soil sample location and identity shall be recorded on Form 5 (see Figure B 5,
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Appendix B) and on the floor plan or sketch by sub-sample location. The plan or sketch shall include
property boundaries.
The Contracting Officer reserves the right to audit the Risk Assessment Sample and Sample Location
Documentation for any unit, at any time during the course of the project. The Risk Assessment Sample
and Sample Location Documentation shall be included as an attachment to the Risk Assessment
Sampling Plan following completion of the fieldwork, and submitted as a part of the Risk Assessment
Report.
2.2.2
Single Surface Dust Sampling
Dust samples shall be collected for analysis by single surface wipe sampling. Dust wipe samples shall
always be collected before paint chip samples to avoid cross-contamination. Gloves shall always be
changed before each additional sample is collected. After donning gloves, do not touch anything other
than the wipe and surface to be sampled. If the wipe is dropped, or contact is made outside the
sampling area, discard the wipe and sample another undisturbed area. In each unit that will be sampled,
discard the first wipe from the dispenser before initiating sampling. Fold the wipes completely before
inserting into the collection tube.
Samples shall be collected in accordance with ASTM's Standard Practice for Field Collection of
Settled Dust Samples Using Wipe Sampling Methods for Lead Determination by Atomic
Spectrometry Techniques (E 1728), using wipe materials meeting the requirements of Standard
Specification for Wipe Sampling Materials for Lead in Surface Dust (E 1792). (see AIHA web
site (http://www.aiha.org) for a listing of wipe vendors meeting ASTM Method E 1792 criteria.)
2.2.3
Deteriorated Paint Chip Sampling
The risk assessor shall collect and preserve paint chip samples for each deteriorated paint component
system with a distinct painting history in accordance with ASTM's Standard Practice for Field
A-21
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