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PLAINTIFF'S EXHIBIT CON-46
FIBER RELEASE RATE STUDY CUTTING RESILIENT SHEET FLOORING WITH A "LINOLEUM" KNIFE
Prepared for: Segal, McCambridge, Singer & Mahoney
November 30, 1999 BYI Project #1941B-5952
Boelter & Yates
environmental engineers and scientists
FIBER RELEASE RATE STUDY CUTTING RESILIENT SHEET FLOORING
WITH A "LINOLEUM" KNIFE
Boelter & Yates, Inc.
1300 Higgins Road Suite 301
Park Ridge, Illinois 60068-5772
847/ 692-4700 Fax
847/ 692-3127
November 30,1999 BYI Project #1941B-5952
TABLE OF CONTENTS
PAGE
EXECUTIVE SUMMARY Objectives......... Background .... Sample Results .
1 Boelter & Yates, Inc. 1N O T E S
1 1
METHODOLOGY...........................................................................................................................2 PCM Sampling Procedure...................................................................................................2 "Personal" Samples..............................................................................................................2 "Average Room Air" Samples ............................................................................................ 2 "Background Air" Samples for TEM Analysis.................................................................... 2 PCM Light Microscopy Analysis ........................................................................................ 3 Electron Microscopy Analysis............................................................................................ 3 PLM Light Microscopy Analysis.......................................................................................... 3 Statistical Comparisons....................................................................................................... 3
` Laboratory Accreditation..................................................................................................... 4
DISCUSSION OF FINDINGS ..........................................................................................................5 ' '.} Isolation Test Chamber....................................................................................................... 5
Background Sampling Results .......................................................................................... 5 Sheet Flooring.......................................................................................................................6 Flooring Cutting Test Method ............................................................................................ 6 Sampling Results During Test............................................................................................ 7
CONCLUSIONS................................................................................................................................9
APPENDICES A - Compilation Spreadsheets and Graphs - TESTING RESULTS B - Compilation Spreadsheets and Graphs - PRE-TEST BACKGROUND RESULTS C - PCM Laboratory Reports D - TEM Laboratory Reports E - PLM Laboratory Reports
H
CUTTING RESILIENT SHEET FLOORING WITH A
"LINOLEUM" KNIFE
EXECUTIVE SUMMARY
resilient sheet flooring with a "linoleum" knife. Background The study was performed using Congoleum Shinyl Vinyl - Dynasty series - Camarillo Harvest Gold #12011 resilient sheet flooring. The material used was an extra piece from a floor installed in 1980. The study was conducted in an isolation chamber to eliminate outside influences. The study was conducted at the rate of two (2) five foot (5') cuts per hour over a 10-hour period. The study was conducted on November 12,1999 by Mr. Fred Boelter. This report presents the results of the study described herein.
All samples measured concentrations of fibers in air well below the U.S. Department of Labor Occupational Safety and Health Administration (USDOb-OSHA) 8 hourTime Weighted Average (TWA) Permissible Exposure Limit (PEL) of 0.1 fibers per cubic centimeter (f/cc). Sample results are presented in the accompanying tables.
{( r Release Study - Cutting Resilient Sheet Flooring with a Linoleum Knife vf ember 30, 1999 Page 2
METHODOLOGY
PCM Sampling Procedure
Samples were collected and analyzed by Phase Contrast Microscopy (PCM) following NIOSH Boelter & Yates, Inc. Method 7400. Air was drawn through a 25mm, conductive cowl cassette with a 0.8 micron notes mixed cellulose ester (MCE) filter for collecting airborne particulate. The cassette was connected to a dedicated Gilian servo-drive pump. The pump was used to maintain a flow rate of two (2) liters per minute (Ipm) for both personal and area room air samples.
A Brooks rotameterwas used to calibrate the pumps priorto, during, and post sample collection. The rotameter was calibrated against a primary standard.
The samples were sealed, labeled and shipped to the laboratory for analysis. Samples were signed, placed in a UPS shipping envelope, sealed, tracked by UPS, and arrived at the laboratory by next day air.
"Personal'* Samples
Personal samples were collected by attaching the cassette in the breathing zone of the
A~Mjvidual performing the work for the duration of the test, the sampling pump was worn on the
i: "Widual's belt.
"Average Room Air" Samples
The isolation chamber was subdivided into 2,106 one cubic foot (1ft3) modules. For purposes of identification, each module was assigned a discrete, consecutive number.
To determine the average room air concentration, eight (8) of the modules were selected using a random number generator. A sample cassette was located in the center of the respective module for the duration of the test.
"Background Air" Samples for TEM Analysis
.-
Priorto conducting the test, the room was sampled to verify cleanliness. Ten (10) samples were collected (5 inside the isolation chamber and 5 outside the isolation chamber) following AHERA Protocol. Three (3) blanks were also reserved. Analysis was performed by transmission electron microscopy (TEM) following AHERA Protocol.
Just prior to collecting the samples, a "leaf blower" was utilized to aggressively disturb the isolation chamber's interior surfaces. During the sampling, a 19 inch diameter fan was used to circulate the air in the room.
Air was drawn through a 25mm, conductive cowl cassette with a 0.45 micron mixed cellulose ester (MCE) filter for collecting airborne fibers. The cassette was connected to a dedicated Gast
n volume pump. The pump was used to maintain a flow rate of 10 liters per minute (Ipm).
A BGI rotameter was used to calibrate the pumps prior to and post sample collection. The rotameter was calibrated against a primary standard.
<r'^|er Release Study - Cutting Resilient Sheet Flooring with a Linoleum Knife November 30, 1999 Page 3
The samples were sealed, labeled and shipped to the laboratory for analysis. Samples were signed, placed in a UPS shipping envelope, sealed, tracked by UPS, and arrived at the laboratory by next day air.
PCM Light Microscopy Analysis
Boelter & Yates, Inc.
NO
th
Samples were analyzed in accordance with NIOSH Method 7400. Total fiber counts were determined by phase contrast microscopy (PCM) in accordance with the NIOSH Manual of Analytical Methods, Fourth Edition, dated 8/15/94, A Rules. Values for PCM analysis are provided in the Appendix A and Appendix B spreadsheets.
The only fibers which are counted are those longer than 5 microns which have a length to width ratio equal to or greater than 3:1. PCM analysis counts all fibers meeting the specified dimensions. The analysis is not specific for asbestos but is the method specified to be used in the OSHA regulations.
The PCM laboratory reports are presented in Appendix C.
Electron Microscopy Analysis
A.HERA Protocol transmission electron microscopy.(TEM) analysis was performed on all * ikground samples to verify the cleanliness of the isolation chamber prior to beginning the
test. The sample analysis was performed as described in the Federal Register Vol. 52, No. 210, the Asbestos Hazard Emergency Response Act (AHERA Protocol).
Small squares were cut from each filter, processed appropriately, placed onto 200 mesh copper screens (grids) and transferred to a modified Jaffe Wick Washer containing acetone solvent. After the appropriate processing time, the grids were examined with a JEOL1200EX or 100CX TEM. Grid openings from each sample were scanned at 20.000X.
When fibers or structures of various shapes were encountered, they were assessed for
morphological characteristics and crystalline structure with selected area electron diffraction
(SAED).
..
The TEM laboratory reports are presented in Appendix D.
PLM Light Microscopy Analysis
Bulk samples were analyzed for asbestos by Polarized Light Microscopy (PLM) in accordance with guidelines set forth in the EPA Method for Determination of Asbestos in Bulk Building Materials, U.S. EPA/600/R-93-116 (7/93 Edition).
The PLM laboratory reports are presented in Appendix E.
Statistical Comparisons
uata was formatted in spreadsheets for analysis. Statistical functions were performed including maximum, average, minimum, standard deviation, and variance.
f; V Release Study - Cutting Resilient Sheet Flooring with a Linoleum Knife llvember 30, 1999 Page 4
The spreadsheets in Appendices A and B present the data and summarize the statistical analyses performed.
Laboratory Accreditation
Boelter & Yates, Inc.
The samples were shipped to and analyzed by R. J. Lee Group, Inc. in their Monroeville,
NOTES \
Pennsylvania laboratory. R. J. Lee is accredited for TEM analysis by the National Institute of
Standards and Technology (NIST) under the National Voluntary Laboratory Accreditation
Program (NVLAP) as Lab #101208. R. J. Lee is also accredited for PCM analysis by the
American Industrial Hygiene Association (AIHA) as Lab #8204.
. `"^er Release Study - Cutting Resilient Sheet Flooring with a Linoleum Knife '-.-dvember 30, 1999
Page 5
DISCUSSION OF FINDINGS
Isolation Test Chamber
Testing was performed in an Isolation Test Chamber built at the offices of the Hillcrest Construction Corporation. The chamber is 13 feet wide by 18 feet deep and is 9 feet in height. The chamber was constructed of 6 mil polyethylene sheeting to physically separate the activity being tested from "outside of the chamber" influences. The chamber is shown in Figure 1.
BasementWails
Boelter & Yates, Inc. NOTES
Flooring ^ Wall Rack
6 mil polyethylene Isolation Chamber Wans
>
Airlock/Access
Plexiglass Viewing Window /
NS^/ Video Camera
The chamber was a static environment. During the test, there was no air movement into the chamber and there was no air movement out of the chamber. Entry into the chamber was only through an access airlock.
Figure 1 - Isolation Test Chamber
uackaround Sampling Results
Prior to conducting any tests, the isolation chamber was systematically cleaned (See Figure 2). Following the cleaning, a series of background samples were analyzed from five (5) area sampling locations in accordance with AHERA protocol (See Figure 3).
Background samples were collected under "aggressive" conditions with analysis by TEM in accordance with AHERA Protocol.
Figure 2 - Systematic cleaning of the isolation chamber
Figure 3 - AHERA sampling arrangement.
/ X^er Release Study - Cutting Resilient Sheet Flooring with a Linoleum Knife ''November 30, 1999
Page 6
Results of the Pre-Test Background sampling are shown in the following table:
STATISTICAL FUNCTION
MAXIMUM AVERAGE MINIMUM STAND. DEV. VARIANCE COUNT
Aggressive Air TEM (s/mm2) - Background -
32.5 17.8
8.1 8.0 63.6
5
Boelter & Yates, Inc. NOTES
The levels met the AHERA Clearance Criteria of an average of less than seventy structures per millimeter squared (<70 s/mm2) for the 5 samples and the room was considered clean. Results are shown in the spreadsheet presented in Appendix B.
Sheet Flooring
The resilient sheet flooring which was used for the testing was a piece of Congoleum Shinyl Vinyl Dynasty series product which remained following the 1980 installation of a new floor. The piece of resilient sheet flooring was approximately 5 foot /.f-Juare.
The piece of flooring material was obtained by Mr. Boelter from Mr. Josh Murphy, an Attorney with the law firm of Segal, McCambridge, Singer & Mahoney, Ltd. in Chicago, Illinois. The flooring was rolled into a tube and appeared to be intact including markings on the reverse side (See Figure 4).
Congoleum resilient sheet flooring has a backing which typically contains 80 to 85% chrysotile asbestos. PLM analysis of a bulk sample of the backing showed a material containing 65% chrysotile asbestos (See Appendix E).
Flooring Cutting Test Method
Figure 4 - Congoleum sheet flooring used in the testing.
A wall hung rack was created on the side of the test chamber. The flooring was rolled around the rack simulating a roll of sheet flooring.
Personal and average room air samplers were started prior to beginning the testing. The samplers were stopped after completion of the testing.
Testing started at approximately 7:00am and was concluded at approximately 6:00pm ("test cycle"). There was about a one hour break starting at approximately 12 noon. During the test cycle, no one left or entered the isolation chamber except the author and a helper.
ph hour during the test cycle, two slices of sheet flooring were cut from the roll ("cycle event"), backing material which may have fallen to the floor during the cutting was allowed to be "tracked around" during the'day.
.'"'^er Release Study - Cutting Resilient Sheet Flooring with a Linoleum Knife v^vember 30, 1999
Page 7
Each of the ten (10) cycle events were essentially the same. During the hourly cycle event, similar procedures were followed as described in Table II:
STEP 1 2 3 4
TABLE II - TYPICAL HOURLY CYCLE EVENT ACTIVITY
Cut the sheet flooring once (5 foot cut) Cut the sheet flooring again (5 foot cut) Roil the sheet cut strips into a loop Place the roll into a zip lock plastic bag
PHOTO Figure 5
Figure 6
Boelter & Yates, Inc. NOTES
Figure 5 - Cutting the sheet flooring with a "linoleum" knife.
Figure 6 - Rolling the strips into a loop.
Sampling Results Purina Test
Results of 8-Hour Time-Weighted Average Permissible Exposure Limit sampling are.shown in the following table:
STATISTICAL FUNCTION
MAXIMUM AVERAGE MINIMUM STAND. DEV. VARIANCE COUNT
PCM Analysis by NIOSH 7400 (Total f/cc) - Personal Samples- - Average Room Air -
0.024
0.021 0.017 0.003
0.000
2
0.020 0.015
0.010 0.003
0.000
8
All sample results indicate the concentrations to be well below the current OSHA Permissible Exposure Limit of 0.1 f/cc as sampled over an 8-hour time-weighted average period of time.
, './Ter Release Study - Cutting Resilient Sheet Flooring with a Linoleum Knife Jvember30, 1999
Page 8 Refer also to Figure 7 for a graphical presentation of the air sample results. The Appendix A spreadsheets and charts present and depict the results of the testing in detail.
Boelter & Yates, Inc. NOTES
Figure 7 - Graphical presentation of the air sampling results. Note: 0.2 f/cc by PCM is the OSHA PEL prior to 8/10/94 and 0.1 f/cc by PCM is the OSHA PEL as of 8/10/94.
The photo in Figure 8 shows all of the ten (10) strips cut from the sheet flooring during the test cycle.
Figure 8 - Strips cut from the sheet flooring
Fiber Release Study - Cutting Resilient Sheet Flooring with a Linoleum Knife -- Nnvfirnber 30, 1999
CONCLUSIONS
Resilient sheet flooring was cut at the rate of two (2) five foot (5') strips per hour for ten (10)
hours. Eight (8) room air samples and two (2) personal samples were collected during the
processing.
Boelter & Yates, Inc.
NO
H
All sample results show the airborne concentrations of fibers to be well below the current OSHA Permissible Exposure Limit of 0.1 f/ccas sampled over an 8-hour time weighted average period of time.
Respectfully submitted,
Frederick W. Boelter, CIH, PE Reviewed by,
Enclosures F:\APPS\WP5\EXPERT-WV19415952\19415952.R2F
&
Boelter & Yates, Inc.
NOTES
APPENDIX A Compilation Spreadsheets and Graphs
TESTING RESULTS
CONGOLEUM - "RESILIENT SHEET FLOORINGTest #2 Linoleum Knife
CDcqr^cDin-'tcqcNjT-o dodo o' dodo
IrtlOd Aq (00/1IB101) VMl-'JM 8
Boelter & Yates, Inc.
NOTES
APPENDIX B Compilation Spreadsheets and Graphs PRE-TEST BACKGROUND RESULTS
BACKGROUND TESTS*' NOV 11,1999
BAI Project 1941B-5952
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NOTES
APPENDIX C PCM Laboratory Reports
RJ Lee Group, Inc.
350 Hochberg Road Monroeville, PA 15146 Tel: (724) 325-1776 Fax: (724) 733-1799
The Materials Characterization Specialists
November 18, 1999
Ms. Lauren Knowles Boelter & Yates, Inc. O'Hare Corporate Center 1300 Higgins Road,Suite 301 Park Ridge, IL 60068-5772
RE: PCM 7400 Fiber Count Results for Samples as Shown on Test Report Job No. AOH911850 Customer Purchase Order Number: 1914A-5952
Dear Ms. Knowles:
Enclosed are the fiber count results obtained by phase contrast microscopy (PCM) for the above referenced samples. The samples and volume information were supplied by Boelter & Yates, Inc. personnel. The NIOSH 7400, issue #2, method was followed in sample preparation using acetone vapor and triacetin. The analysis was performed in accordance with the NIOSH 7400 A rules: all particles with a length >5 micrometers and aspect ratio S3:1 were counted.
The attached table gives the pertinent information used to calculate the fiber per cc concentration. The concentrations represent blank-coirected values.
RJ Lee Group, Inc. is accredited by the American Industrial Hygiene Association for airborne asbestos fiber analysis (PCM) as well as the National Voluntary Laboratory Accreditation Program (NVLAP) for selected test methods for airborne asbestos fiber analysis (TEM) and asbestos fiber analysis (PLM).
These results are submitted pursuant to RJ Lee Group's current terms and conditions of sale, including the company's standard warranty and limitation of liability provisions, and no responsibility or liability is assumed for the manner in which the results are used or interpreted. Unless notified in writing to return the samples covered by this report, RJ Lee Group will store the samples for a period of ninety (90) days before discarding. A shipping and handling fee will be assessed for the return of any samples.
If you have any questions, feel free to call Barbara Smith or me.
Sincerely yours,
ULjjJUbu&j^ U.
William H. Powers Manager, Bulk Materials Analysis'
WHP/ku Enclosure
Monroeville, PA San Leandro, CA Washington, DC Houston, TX Richland, WA www.rjlg.com
Test Report
P C M A ir A nalysis Results / 1914A-5952
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NOTES
APPENDIX D TEM Laboratory Reports
RJ Lee Group, Inc.
350 Hochberg Rond Monroeville, PA 15146 Tel: (724) 325-1776 Fax: (724) 733-1799
November 17, 1999
The Materials Characterization Specialists
Ms. Lauren Knowles Boelter & Yates, Inc. 1300 Higgins Road Suite 301 Park Ridge, IL 60068-5772
RE: TEM Asbestos Results for Samples as Shown on the Test Report RJ Lee Group, Inc. Job No.: ATH911217 Client Purchase Order Number: 1914A-5952
Dear Ms. Knowles:
Enclosed are the results from the transmission electron microscopy (TEM) asbestos analysis of the above referenced samples using the AHERA Method, as published in the Federal Register, 40 CFR, Part 763, October 30, 1987. The samples and volume information were provided by Boelter & Yates, Inc. personnel.
The Test Report lists each sample identification number, area analyzed, sample volume, structure counts, analytical sensitivity, and the concentration of asbestos.
Copies of the count sheets are presented in Appendix A. Each count sheet contains sample information pertaining to structure identification, dimensions, magnification, filter size and type.
RJ Lee Group, Inc. is accredited by the National Voluntary Laboratory Accreditation Program (NVLAP) for selected test methods for airborne asbestos fiber analysis (TEM), asbestos fiber analysis (PLM), New York State Department of Health Environmental Laboratory Approval Program (ELAP), and by the American Industrial Hygiene Association (AIHA). This test report only relates to the items tested, NVLAP accreditation does not imply endorsement by NVLAP or any agency of the U.S. Government.
These results are submitted pursuant to RJ Lee Group's current terms and conditions of sale, including the company's standard warranty and limitation of liability provisions and no responsibility or liability is assumed for the manner in which the results are used or interpreted. Unless notified in writing to return the samples covered by this report, RJ Lee Group Will store the samples for a period of thirty (30) days before discarding. A shipping and handling fee will be assessed for the return of any samples.
If you have any questions, feel free to call me.
Verv tnilv vnurs.
Kimberly A. Aliison Manager-TEM Analysis
KAA/slb Enclosures
Monroeville, PA San Leandro, CA Washington, DC Houston, TX Richland, WA www.rjlg.com
Test Report
T o ta l Asbestos S tru ctu re C oncentration T E M A H E R A Analysis
Project ATH911217
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FIBER COUNT SHEET
B = Bundle C = Cluster M = Matrix
Appendix A
Client Name
Boelter & Yates, Inc.
Project Number ATH911217
RJL Sample #
0105566HT
Client Sample # 2-B-l
Microscope
1200 EX
Accelerating Volt 120 Kv
Magnification Analyst EDS Disk
20000X RBG 1753
Structure Reid Fiber < 5 |im >5 pm Type
Morph
10 20 30 41 X 51 61 X 70
NSD NSD NSD Chrysotile CM10 X Nonasbestos C3 Chrysotile BM8 NSD
RJ LeeGroup , Inc
Count Sheet
RJL QA Number Grid Openings Total Asbestos Total Non-Asbestos
Filter
Volume Grid Opening Area
Amphibole
EDS Photo SAED
Type
38202 XX
X
HQ17512 7 2 I CE 385 mm 1300.0 Liters 0.0088 mm ^
Comment
NSD - No Structures Detected
Page: 1 of I
Client Name Project Number RJL Sample # Client Sample #
Boelter & Yates, ATH911217 0105567HT 2-B-2
Inc.
Microscope
1200 EX
Accelerating Volt 120 Kv
Magnification Analyst
20000 X RBG
EDS Disk
1753
Structure Field Fiber < 5 pm 5 5 pm Type
Morph
10
20 30
NSD NSD NSD
40 50
NSD NSD
60
NSD
Chrysotile M
RJ LeeGroup , Inc
Count Sheet
RJL QA Number Grid Openings Total Asbestos Total Non-Asbestos
Filter
Volume Grid Opening Area
Amphibole
EDS Photo SAED
Type
X
HQI7512 7
I 0
CE 385 mm2 1300.0 Liters 0.0088 mm2
Comment
NSD - No Structures Detected
Page: 1 of 1
Client Name
Boelter & Yates, Inc.
Project Number ATH9I1217
RJL Sample # 0105568HT
Client Sample # 2-B-3
Microscope
1200 EX
Accelerating Volt 120 Kv
Magnification
20000 X
Analyst EDS Disk
RBG 1753
Structure Field Fiber < 5 pm > 5 pm Type
Morph
10
20 30 40 50 6IX 70
NSD NSD NSD NSD NSD Nonasbestos NSD
RJ LeeGroup , Inc
Count Sheet
RJL QA Number Grid Openings Total Asbestos Total Non-Asbestos Filter
Volume Grid Opening Area
Amphibole
EDS Photo SAED
Type
XX
HQ17512 7
0 1
CE 385 mm2 1300.0 Liters 0.0088 mm 2
Comment
.NSD - No Structures Detected
Page: 1 of 1
Client Name
Boelter & Yates, Inc.
Project Number ATH911217
RJL Sample # 0105569HT
Client Sample # 2-B-4
Microscope
1200 EX
Accelerating Volt 120 Kv
Magnification Analyst EDS Disk
20000 X RBG 1753
Structure Field Fiber < 5 pm 5 pm Type
Morph
10
2IX 30 40 50 60 70
NSD Chrysotile NSD NSD NSD NSD NSD
M
RJ Lee Group , Inc
Count Sheet
RJL QA Number Grid Openings Total Asbestos Total Non-Asbestos Filter
Volume Grid Opening Area
Amphibole
EDS Photo SAED
Type
HQI75I2 7
1 0
CE 385 mm2 1300.0 Liters 0.0088 mm2
Comment
NSD - No Structures Detected
Page: 1 of 1
Client Name
Boelter & Yates, Inc.
Project Number ATH911217
RJL Sample #
0105570HT
Client Sample # 2-B-5
Microscope
1200 EX
Accelerating Volt 120 Kv
Magnification
20C00X
Analyst
RBG
EDS Disk
1753
Structure Field Fiber < 5 pm > 5 pm Type
Morph
11X 20 30 40 50 6IX 70
Nonasbestos M NSD NSD NSD NSD Chrysotile M NSD
RJ Lee Group , Inc
Count Sheet
RJL QA Number Grid Openings Total Asbestos Total Non-Asbestos Filter
Volume Grid Opening Area
Amphibole
EDS Photo SAED
Type
XX
X
HQ17512 7 1 1 CE 385 mm 1300.0 Liters 0.0088 mm ^
Comment
NSD - No Structures Detected
Page: 1 of 1
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NOTES
APPENDIX E PLM Laboratory Reports
RJ Lee Group, Inc.
350 Hochberg Road Monroeville, PA 15146 Tel: (724)325-1776 Fax: (724) 733-1799
The Materials Characterization Specialists
: -)
November 11, 1999
Ms. Lauren Knowles Boelter & Yates, Inc. O'Hare Corporate Center 1300 Higgins Road,Suite 301 Park Ridge, IL 60068-5772
RE: PLM Standard Analysis for Sample as Shown on Test Report Job Number AOH911797 Customer Purchase Order Number: 191414-5952
Dear Ms. Knowles:
Enclosed are the results obtained from the asbestos identification for the above referenced sample. Analysis of the sample was made using the polarizing light microscope (PLM) and dispersion staining objective in accordance with guidelines set forth in the EPA Method for the Determination of Asbestos in Bulk Building Materials, U.S. EPA/600/R-93/116 (7/93 Edition).
RJ Lee Group, Inc, is accredited by the National Voluntary Laboratory Accreditation Program (NVLAP) for selected test methods for airborne asbestos fiber analysis (TEM) and asbestos fiber analysis (PLM). RJ Lee Group's Monroeville laboratory is accredited by the American Industrial Hygiene Association for asbestos, silica and metals.
These results are submitted pursuant to RJ Lee Group's current terms and conditions of sale, including the company's standard warranty and limitation of liability provisions and no responsibility or liability is assumed for the manner in which the results are used or interpreted. Unless notified in writing to return the samples covered by this report, RJ Lee Group will store the samples for a period of ninety (90) days before discarding. A shipping and handling fee will be assessed for the return of any samples.
If you have any questions on this report or if we can be of further assistance, please feel free to call me.
Sincerely yours,
William H. Powers Manager, Bulk Materials Analysis
WHP/slb Enclosure
Monroeville, PA San Leandro, CA Washington, DC Houston, TX Richland. WA www.rjlg.cpm
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Boelter & Yates
environmental engineers and scientists
Air Quality Management
Services
Real Property Services
Health, Safety & Environmental
Services
Hazardous Waste, Soil & Groundwater
Management Services
Our Purpose
To help our clients meet their needs
through the services we provide
Boelter & Yates, Inc. 1300 Higgins Road Suite 301 Park Ridge, Illinois 60068-5772 General 847 / 692-4700 Fax 847 / 692-3127 E-Mail'/ info@boelter-yates.com
printed on recycled paper
