Attch 5 - XQPZ160146 HAZMAT Report.pdf

November 2, 2018

Schendt Engineering Corp.

2912 Beacon Street Colorado Springs, CO 80907

Attn: Mr. Ken Merola, P.E.

RE: Asbestos and Lead-Based Paint Testing Results Repair HVAC Arnold and Harmon Halls United States Air Force Academy Colorado Springs, Colorado 80840 Empirical Project Number 351840

Dear Mr. Merola:

The purpose of this report is to present the results of the Limited Asbestos Containing Material (ACM) Testing and Lead-Based Paint (LBP) Testing conducted by Empirical Environmental, LLC (Empirical) on October 16th, 2018 in the mechanical rooms beneath Arnold and Harmon Halls at the United States Air Force Academy (USAFA) in Colorado Springs, Colorado (subject site). The areas included in this testing event were: the cooling tower on the roof of Arnold Hall; mechanical rooms 314, B001, B002 and B003S; and the tunnels connecting these mechanical rooms. This testing was performed prior to renovation activities and was directed by the client.

1.0 LIMITED ASBESTOS CONTAINING MATERIAL TESTING

The limited ACM testing included a visual inspection of suspected ACM at the renovation/removal areas, bulk sample collection of suspect ACM, and sample analysis of collected bulk samples.

This testing did not include materials that were not going to be impacted during renovation or removal activities such as ducting and air handlers.

A visual inspection and select bulk sample collection for suspected ACMs were performed by Ms.

Sheila Sealander, Colorado State Certified Asbestos Building Inspector (Certification Number 8737). A copy of Ms. Sealander’s certification is presented in Appendix A. Additionally, a copy of Empirical’s Asbestos Firm certification is presented in Appendix A. A visual inspection and limited sampling for suspect materials were completed October 16th, 2018. Sample nomenclature is as

Limited ACM and LBP Testing HVAC in Arnold and Harmon Halls, USAFA Colorado Springs, CO November 2, 2018

Empirical Environmental, LLC 2 follows: XX-YY-ZZ where XX indicates the building name; YY homogeneous number; and ZZ indicates the consecutive sample number. It should be noted mechanical rooms B001, B002 and B003S were beneath Harmon Hall and not Arnold Hall.

Bulk samples were collected from select materials on the roof and in the mechanical rooms that were reportedly going to be impacted during renovation or removal activities. These samples were submitted to EMSL Analytical, Inc. (EMSL) in Denver, Colorado for analysis of asbestos utilizing Polarized Light Microscopy (PLM). EMSL is an accredited laboratory for the analysis of bulk asbestos samples and is a member of the National Voluntary Laboratory Accreditation Program (NVLAP #200828-0). EMSL’s NVLAP certification is presented in Appendix A. The laboratory results are presented in Appendix B. This report is based on the bulk sample analysis results. Base site diagrams were supplied by Schendt Engineering Corporation (SEC).

Suspect materials are considered positive for asbestos if the materials contain greater than 1% asbestos. As required by the U.S. Environmental Protection Agency’s (EPA’s) National Emissions Standards for Hazardous Air Pollutants (NESHAP) regulations, point counting analysis should be performed if the analyst detects asbestos in the sample and estimates the amount by visual estimation to be less than 10%, or the owner or operator of the building may either assume the amount to be greater than 1% and treat the material as ACM or require the verification of the amount by point counting. Several pipes were labeled as being “Asbestos Free” and were not tested in this testing event.

ROOF

Nine (9) asbestos samples were collected from the cooling tower components on the roof. It was reported the cooling tower would be replaced. Access to the interior of the cooling tower was not possible at the time of this testing event. One (1) insulated pipe was observed north of the cooling tower. One (1) sample consisting of mastic, insulation and wrap was collected from this pipe, sample number AH-01-01. This sample was reported as not containing asbestos. Three (3) types of caulk were observed on or by the cooling tower. White caulk was observed around the base of the tower. This caulk was sampled, sample number AH-02-02, and was reported as not containing asbestos. Clear caulk was observed on the east side of the cooling tower where the pipes entered the tower. This caulk was sampled, sample number AH-07-07, and was reported as not containing asbestos. Gray caulk was observed on the return pipe on the west side of the cooling tower and sampled, sample number AH-10-10. This sample was reported as not containing asbestos. Blue and white plumber’s tape was observed on the pipes that entered the east side of the cooling tower. These tapes were sampled, sample numbers AH-05-05 and AH- 06-06, respectively and were reported as not containing asbestos. Black tar sealant was observed on an uninsulated pipe beneath the tower. This sealant was sampled, sample number AH-03-03, and was reported as not containing asbestos. Beneath the tower on the west side gray pipe wrap was observed and sampled, sample number AH-11-11. This sample was reported

Colorado Springs, CO November 2, 2018

Empirical Environmental, LLC 3 as not containing asbestos. Black putty was observed at the corners of the cooling tower and was sampled, sample number AH-04-04, and was reported as not containing asbestos. A site diagram depicting the approximate sample locations is presented as Figure 1 in Appendix C.

Mechanical Room 314 Two (2) pipes were reportedly being removed from inside mechanical room 314. These pipes continued into other areas and mechanical rooms in Arnold Hall and were sampled in those areas as well as in mechanical room 314. Drawings submitted by SEC identify these pipes with hatch marks. Sample number AH-08-08 consisted of pipe wrap and mastic from the supply line by the pump. This sample was reported as not containing asbestos. One (1) sample was collected from the return line by the south door, sample number AH-09-09. This sample was reported as not containing asbestos. A site diagram depicting the approximate sample locations is presented in Appendix C, Figure 2.

Mechanical Room B001 Several of the pipes that were marked as potentially being removed were labeled as “asbestos free” and were not tested during this sampling event.

Twelve samples were collected in Mechanical Room B001. Two (2) samples were collected by the tunnel. Sample number AH-09-12 was collected from the return pipe and AH-08-13 was collected from the supply pipe. These samples consisted of mastic, pipe wrap and foil. These samples were reported as not containing asbestos. One (1) sample was collected from the chilled water supply pipe, sample number AH-12-14, and one (1) sample was collected from the chilled water return pipe by the air duct in the middle of the room. These samples consisted of white insulation and foil pipe wrap. These samples were reported as not containing asbestos.

Eight (8) samples were collected from the piping in the northwest corner of B001. This piping was associated with Pump 15 and CV-7. This piping appeared to be different from the other piping in the room. Four (4) samples were collected from piping associated with P15. Sample number AH-25-29 was collected from the blue wrapped pipe by the valve labeled EGS and consisted of blue paint, cloth wrap, and gray insulation. The insulation in this sample was reported with 2% Amosite asbestos and <1% Chrysotile asbestos. This insulation would be considered friable.

Friable is defined in the Colorado Department of Public Health and Environment’s Regulation 8, Asbestos, as “that the material when dry, may be crumbled, pulverized, or reduced to powder by hand pressure, and includes previously nonfriable material after such nonfriable material becomes damaged to the extent that when dry it may be crumbled, pulverized or reduced to powder by hand pressure.” Sample number AH-26-30 was collected from the high horizontal pipe and consisted of wrap, tar, foil wrap and insulation. This sample was reported as not

Colorado Springs, CO November 2, 2018

Empirical Environmental, LLC 4 containing asbestos. Sample number AH-27-31 was collected from the blue supply pipe by the valves and consisted of blue paint, pipe wrap, tar and insulation. This sample was reported as not containing asbestos. Sample number AH-28-32 was collected from the high elbow on the supply pipe and consisted of gray cloth wrap and gray insulation. This sample was reported as containing 2% Chrysotile asbestos in the wrap and the insulation was reported as containing 2% Amosite asbestos and 2% Chrysotile asbestos. The insulation would be considered friable.

Four (4) samples were collected from the piping associated and insulation at CV-7. Sample number AH-29-33 was collected from the EGR return pipe at CV-7 and consisted of dark blue wrap and gray insulation. This sample was reported as not containing asbestos. Sample number AH-30-34 was collected from the dark blue wrap and tank insulation on CV-7. The dark blue wrap was reported to contain 2% Chrysotile asbestos and the insulation was reported to contain 2% Amosite asbestos and 2% Chrysotile asbestos. The insulation on the tank would be considered friable. Sample number AH-31-35 was collected from the yellow medium hot water return pipe at CV-7. This sample consisted of yellow wrap, beige wrap and insulation. The laboratory reported the wrap as containing 2% Chrysotile asbestos. Sample number AH-32- 36 was collected from the high elbow on the return pipe and consisted of beige cloth wrap and gray insulation. The insulation was reported as containing 2% Amosite asbestos and 2% Chrysotile asbestos. This insulation would be considered friable. In accordance with Regulation 8, a physical assessment was performed on the Thermal System Insulation (TSI) materials that were identified as ACM. The TSI materials that were reported with asbestos were in good condition. Good condition is defined as “Material with no visible damage or deterioration, or showing only very limited damage or deterioration. The potential for disturbance was high since these materials were to be removed. Photographs of ACM are presented in Appendix D.

Additionally, the pipes that were marked with hatches south of mechanical room B012, were labeled as having asbestos.

These pipes were not sampled during this event and should be presumed to contain asbestos and should be abated prior to removal activities.

A site diagram depicting the approximate sample locations is presented as Figure 3 in Appendix C.

Mechanical Room B012 Several pipes in this room were labeled “asbestos free” and were not included in this testing event.

Two (2) samples were collected in this mechanical room. Sample number AH-14-16 was collected from the CWR (return) pipe in the northwest corner and sample number AH-15-17 was collected from the CWS (supply) pipe in the northwest corner. These samples consisted of foil pipe wrap and mastic. These samples were reported as not containing asbestos.

Colorado Springs, CO November 2, 2018

Empirical Environmental, LLC 5

A site diagram depicting the approximate sample locations is presented as Figure 3 in Appendix C.

Tunnel Between Mechanical Rooms B001 and B002 The insulation on the pipes in the tunnel appeared to be rubber that was painted blue. Two (2) samples were collected from the rubber insulation on these pipes. Sample number AH-16-18 was from the supply pipe and sample number AH-17-19 was from the return pipe. These samples were reported as not containing asbestos. A site diagram depicting the approximate sample locations is presented as Figure 4, Appendix C.

Mechanical Room B002 Pipes marked as “asbestos free” were not sampled during this sampling event. Four (4) samples were collected in B002 on pipes associated with heat exchanger’s (HX) 2 and 4. Sample AH-18- 20 was collected by the pump at HX 4 in the southwest corner of the room. This sample consisted of mastic and foil wrap and was reported as not containing asbestos. Sample number AH-19-21 was collected from the north end of the shell at HX4 and consisted of mastic, wrap and insulation.

This sample was reported as not containing asbestos. Sample number AH-21-27 was collected from the supply pipe at the north end of HX2 and sample number AH-24-28 was collected from the return pipe at the north end of HX2. These samples consisted of cloth pipe wrap and white insulation. The laboratory reported these samples as not containing asbestos. A site diagram depicting the approximate sample locations is presented as Figure 4, Appendix C.

Mechanical Room B003 Five (5) samples were collected from insulated pipes in B003. Three (3) samples were collected from pipes associated with HX1 and HX3. Sample number AH-20-22 was collected from the low supply pipe at HX3. This sample consisted of mastic, wrap, and insulation and was reported as not containing asbestos. Sample number AH-22-24 was collected from the high chilled supply pipe and consisted of pipe wrapping. This sample was reported as not containing asbestos.

Sample number AH-21-23 was collected from the supply pipe at HX1 and consisted of white wrap and white insulation. This sample was reported as not containing asbestos. EMSL laboratory results and Chain of Custody are presented in Appendix B. Figure 5 in Appendix C depicts the approximate sample locations for the air handlers and associated components.

2.0 LIMITED LEAD-BASED PAINT TESTING

This limited lead-based paint (LBP) testing was performed on October 16, 2018 by Ms. Sheila D.

Sealander, (Colorado Lead Risk Assessor Certification number 8950) and was directed by the client. This testing was performed prior to renovation/removal activities in the mechanical rooms, tunnels and at the cooling tower on the roof. This testing was not intended to be a LBP Inspection

Colorado Springs, CO November 2, 2018

Empirical Environmental, LLC 6 or Risk Assessment as defined by the U.S. Department of Housing and Urban Development

(HUD).

Testing was performed using a Niton XLi-702a Series Lead Analyzer (Serial Number 14719) that utilizes X-Ray Fluorescence (XRF) technology. The XRF’s testing mode was set at K & L Spectra Mode during this testing and the assay (source) date was February 1, 2015. This type of sampling is non-destructive. Empirical calibrated the XRF according to manufacturer’s directions prior to and at the end of the testing. Substrate correction is not recommended for this XRF instrument.

The Niton XRF does not have inconclusive readings or ranges, therefore paint chip sampling is not necessary.

Fifty-five XRF readings were taken during this testing event: six (6) were for calibration purposes;

nine (9) were null or incomplete readings; and 40 were at select locations at the subject site.

Six (6) XRF readings were taken on painted surfaces associated with the cooling tower on the roof. These XRF readings were below the EPA standard for lead-based paint of 1.0 milligram per square centimeter (mg/cm2) and would not be considered LBP. XRF results are presented in Appendix E. Figure 6 in Appendix C depicts the approximate locations of XRF readings.

Four (4) XRF readings were taken in mechanical room 314 and the tunnel chase to mechanical room 314. Three (3) of these XRF readings was below the EPA’s standard for lead-based paint of 1.0 mg/cm2 and would not be considered LBP. One (1) XRF readings was above 1.0 mg/cm2 and would be considered LBP. This reading was located on the teal centrifugal separator by the west wall. The approximate XRF reading locations are presented in Figure 7 in Appendix C.

Six (6) XRF readings were taken in mechanical room B001. These XRF readings were below the EPA’s standard for lead-based paint of 1.0 mg/cm2 and would not be considered LBP. The approximate XRF reading locations are presented in Figure 8 in Appendix C.

Two (2) XRF readings were taken in mechanical room B012. These XRF readings were below the EPA’s standard for lead-based paint of 1.0 mg/cm2 and would not be considered LBP. The approximate XRF reading locations are presented in Figure 8 in Appendix C.

Ten XRF readings were taken in mechanical room B002. These XRF readings were below the EPA’s standard for lead-based paint of 1.0 mg/cm2 and would not be considered LBP. The approximate XRF reading locations are presented in Figure 9 in Appendix C.

Ten XRF readings were taken in mechanical room B003 and two (2) in the tunnel between B002 and B003. These XRF readings were below the EPA’s standard for lead-based paint of 1.0

Colorado Springs, CO November 2, 2018

Empirical Environmental, LLC 7 mg/cm2 and would not be considered LBP. The approximate XRF reading locations are presented in Figure 10 in Appendix C. The XRF results are presented in Appendix E.

Disturbance of lead-based paint or lead-containing paint will need to comply with the Occupational Safety and Health Administration’s (OSHA’S) Lead Standard, 1926.62.

The XRF readings and locations are enclosed in Table 1, Appendix E. The Lead Risk Assessor’s certification and Empirical’s Firm certification are included in Appendix A.

3.0 CONCLUSIONS AND RECOMMENDATIONS

Upon completion of the limited ACM testing and review of the sample results, asbestos containing materials were not reported in the tested materials in mechanical rooms 314, B012, B002 or B003.

Asbestos was reported in four (4) samples collected from the insulation and pipe wrap on pipes in the northwest corner of mechanical room B001 by P15 and CV-7. It was unknown at the time of this report how much of this piping would be removed. Additionally, the pipes in B001 south of mechanical room B012 should be considered ACM as they were labeled as having asbestos.

Any pipes that are not labeled or were not tested in this testing event that will be impacted, should be presumed to be ACM.

Lead-based paint was detected on the teal-colored centrifugal separator in mechanical room 314 by the west wall.

4.0 LIMITATIONS

Empirical has performed limited ACM and LBP testing on the materials that were reportedly going to be impacted during renovation/removal activities in mechanical rooms 314, B001, B012, B002, and B003, in the tunnels between the mechanical rooms and the cooling tower at Arnold and Harmon Halls at the USAFA in Colorado Springs, Colorado. Empirical used analytical results to assess whether ACMs were present in the samples and XRF results to determine if the paint was LBP. This limited testing is not a guarantee that ACMs or LBP are limited to those areas where identified in this report. This sampling event was directed by the client. Other sampling data at a different time or location may provide different results. The limitations of this limited testing should be recognized as conclusions are formulated on the environmental risks associated with this property. Empirical does not warrant the work of regulatory agencies or other third parties supplying information which may have been used during the preparation of this report.

This limited ACM and LBP testing report was prepared for the exclusive use of SEC for specific application to the subject property. No warranties, either expressed or implied, are made or intended. The material contained herein shall not, in whole or in part, be disseminated or

Colorado Springs, CO November 2, 2018

Empirical Environmental, LLC 8 conveyed to any other party or be used or relied upon by any other party without Empirical’s written consent. In the event that any changes in the nature or location of suspected ACM or LBP as outlined in this report are observed, the conclusion and recommendations contained in this report shall not be valid unless these changes are reviewed and the opinions of this report are modified or verified in writing by Empirical.

Empirical appreciates the opportunity to provide these environmental services to SEC. If you have any questions regarding the content of this report or if we can be of further assistance, please contact us at 719-749-2068.

Sincerely, Empirical Environmental, LLC

Sheila D. Sealander, REM IAQ Manager

APPENDIX A

CERTIFICATIONS

APPENDIX B

LABORATORY RESULTS

AND

CHAIN OF CUSTODY

APPENDIX C

FIGURES

Figure 1 of 10 - Site Diagram

Limited Asbestos Testing Empirical Environmental, LLC Arnold Hall Roof, USAFA Phone (719) 749-2068 Fax (719) 749-0238

Drawn Nov. 2018 Colorado Springs, Colorado

Not to ScaleN

Project # 301840

Drawn by SEC/SDS

Approximate location of asbestos sample < 1%

Approximate location of asbestos sample > 1%

LEGEND

Roof

AH-01-01

AH-02-02

AH-03-03

AH-04-04

AH-05-05

AH-06-06

AH-07-07

AH-10-10

AH-11-11

Figure 2 of 10 - Site Diagram

Mech. Room 314, USAFA Phone (719) 749-2068 Fax (719) 749-0238

Drawn Nov. 2018 Colorado Springs, Colorado

Not to ScaleN

Project # 301840

Drawn by SEC/SDS

Approximate location of asbestos sample < 1%

Approximate location of asbestos sample > 1%

LEGENDMechanical Room 314

AH-08-08AH-09-09

Figure 3 of 10 - Site Diagram

Mech. Rooms B001 and B012, USAFA Phone (719) 749-2068 Fax (719) 749-0238

Drawn Nov. 2018 Colorado Springs, Colorado

Not to ScaleN

Project # 301840

Drawn by SEC/SDS

Approximate location of asbestos sample < 1%

Approximate location of asbestos sample > 1%

LEGEND

Mechanical Rooms B001 and B012

AH-09-12

AH-08-13

Marked ACM From B012 to tunnel

AH-12-14

AH-13-15

AH-14-16

AH-15-17 AH-25-29

AH-26-30

AH-27-31

AH-28-32

AH-29-33

AH-30-34

AH-31-35

AH-32-36

Figure 4 of 10 - Site Diagram

Mech. Room B002 and Tunnel, USAFA Phone (719) 749-2068 Fax (719) 749-0238

Drawn Nov. 2018 Colorado Springs, Colorado

Not to ScaleN

Project # 301840

Drawn by SEC/SDS

Approximate location of asbestos sample < 1%

Approximate location of asbestos sample > 1%

LEGEND

Mechanical Room B002 and Tunnel

AH-17-19

AH-16-18

AH-18-20

AH-19-21

AH-21-27

AH-24-28

Figure 5 of 10 - Site Diagram

Mech. Room B003S, USAFA Phone (719) 749-2068 Fax (719) 749-0238

Drawn Nov. 2018 Colorado Springs, Colorado

Not to ScaleN

Project # 301840

Drawn by SEC/SDS

Approximate location of asbestos sample < 1%

Approximate location of asbestos sample > 1%

LEGEND

Mechanical Room B003S

AH-20-22

AH-21-23

AH-22-24

AH-23-26AH-22-25

Figure 6 of 10 - Site Diagram

Limited Lead-Base Paint Testing Empirical Environmental, LLC Arnold Hall Roof, USAFA Phone (719) 749-2068 Fax (719) 749-0238

Drawn Nov. 2018 Colorado Springs, Colorado

Not to ScaleN

Project # 301840

Drawn by SEC/SDS

Roof

7 6

Approximate location of XRF reading <1 mg/cm2

Approximate location of XRF reading > 1 mg/cm2

LEGEND

Figure 7 of 10 - Site Diagram

Limited Lead-Based Paint Testing Empirical Environmental, LLC Mech. Room 314, USAFA Phone (719) 749-2068 Fax (719) 749-0238

Drawn Nov. 2018 Colorado Springs, Colorado

Not to ScaleN

Project # 301840

Drawn by SEC/SDS

Mechanical Room 314

Approximate location of XRF reading <1 mg/cm2

Approximate location of XRF reading > 1 mg/cm2

LEGEND

Mechanical Chase

Figure 8 of 10 - Site Diagram

Mech. Rooms B001 & B012, USAFA Phone (719) 749-2068 Fax (719) 749-0238

Drawn Nov. 2018 Colorado Springs, Colorado

Not to ScaleN

Project # 301840

Drawn by SEC/SDS

Mechanical Rooms B001 and B012 Approximate location of XRF reading <1 mg/cm2

Approximate location of XRF reading > 1 mg/cm2

LEGEND

48,49,50&51

Figure 9 of 10 - Site Diagram

Mech. Room B002 and Tunnel, USAFA Phone (719) 749-2068 Fax (719) 749-0238

Drawn Nov. 2018 Colorado Springs, Colorado

Not to ScaleN

Project # 301840

Drawn by SEC/SDS

Mechanical Room B002 and Tunnel

Approximate location of XRF reading <1 mg/cm2

Approximate location of XRF reading > 1 mg/cm2

LEGEND

22, 25&26

45&47

Figure 10 of 10 - Site Diagram

Mech. Room B003S, USAFA Phone (719) 749-2068 Fax (719) 749-0238

Drawn Nov. 2018 Colorado Springs, Colorado

Not to ScaleN

Project # 301840

Drawn by SEC/SDS

Mechanical Room B003S

32, 33, 34

Approximate location of XRF reading <1 mg/cm2

Approximate location of XRF reading > 1 mg/cm2

LEGEND

APPENDIX D

PHOTOGRAPHS

SAMPLE CONCLUSION

Mechanical Room B001

USAFA

Colorado Springs, Colorado

Empirical Environmental, LLC

SAMPLE NUMBERS AH-25-29

MATERIAL Insulation

FRIABLE/NON-FRIABLE Friable

QUANTITY Unknown

RESULTS 2% Amosite Asbestos and <1% Chrysotile Asbestos

REMARKS

USAFA

Colorado Springs, Colorado

Empirical Environmental, LLC

SAMPLE NUMBERS AH-28-32

MATERIAL Cloth Wrap and Insulation

FRIABLE/NON-FRIABLE Friable

QUANTITY Unknown

RESULTS

2% Chrysotile Asbestos in the wrap; 2% Amosite Asbestos and <1% Chrysotile Asbestos in the Insulation

USAFA

Colorado Springs, Colorado

Empirical Environmental, LLC

SAMPLE NUMBERS AH-31-35

MATERIAL Wrap

FRIABLE/NON-FRIABLE Friable

QUANTITY Unknown

RESULTS 2% Chrysotile Asbestos in the wrap

USAFA

Colorado Springs, Colorado

Empirical Environmental, LLC

SAMPLE NUMBERS AH-32-36

MATERIAL Insulation

FRIABLE/NON-FRIABLE Friable

QUANTITY Unknown

RESULTS

2% Amosite Asbestos and 2% Chrysotile Asbestos in the Insulation

USAFA

Colorado Springs, Colorado

Empirical Environmental, LLC

SAMPLE NUMBERS Marked as ACM

MATERIAL Insulation

FRIABLE/NON-FRIABLE Friable

QUANTITY Unknown

RESULTS Marked as containing asbestos

APPENDIX E

XRF RESULTS

Table 1 Summary of XRF Results

Empirical Environmental, LLC

Project Name: Lead-Based Paint Testing Project Site: Select HVAC areas in Arnold and Harmon Halls Project Number: 351840

XRF

Number Location Side Component Substrate Color Result

Lead Content

(mg/cm2)2 Date/Time

1 SHUTTER_CAL N/A3 N/A N/A N/A - 0.94 10/16/2018 8:07

2 CALIBRATE N/A BURIED N/A N/A Positive 1.20 10/16/2018 8:10 3 CALIBRATE N/A BURIED N/A N/A Null 1.00 10/16/2018 8:12 4 CALIBRATE N/A SURFACE N/A N/A Positive 1.10 10/16/2018 8:14 5 ROOF W CWS PIPE METAL GRAY Negative 0.00 10/16/2018 8:35 6 ROOF W DRAIN PIPE METAL GRAY Negative 0.00 10/16/2018 8:35 7 ROOF W I BEAM METAL GRAY Negative 0.19 10/16/2018 8:36 8 ROOF W LADDER METAL GRAY Negative 0.00 10/16/2018 8:37 9 ROOF N IBEAM METAL GRAY Negative 0.01 10/16/2018 8:38 10 ROOF E CWS PIPE METAL GRAY Negative 0.00 10/16/2018 8:39 114 MECH ROOM 314 E CENT. SEP. METAL TEAL Positive 2.70 10/16/2018 9:15 12 MECH ROOM 314 N RETURN METAL GRAY Negative 0.04 10/16/2018 10:13 13 TUNNEL T W RETURN METAL BLACK Negative 0.02 10/16/2018 10:45 14 TUNNEL T W SUPPLY METAL BLACK Negative 0.06 10/16/2018 10:45 15 B001 W SUPPLY METAL GRAY Null 0.10 10/16/2018 10:51 16 B001 W SUPPLY METAL GRAY Negative 0.04 10/16/2018 10:51 17 B001 W RETURN METAL GRAY Negative 0.03 10/16/2018 10:52

18 SHUTTER_CAL N/A N/A N/A N/A - 1.00 10/16/2018 11:36

19 B012 VALVE METAL BLUE Null 0.08 10/16/2018 11:38 20 B012 SIDE VALVE METAL BLUE Negative 0.04 10/16/2018 11:39 21 B012 SIDE VALVE METAL BLUE Negative 0.00 10/16/2018 11:40 22 B002 TOP VALVE METAL DK RED Negative 0.00 10/16/2018 12:07 23 B002 TOP VALVE METAL TEAL Null 0.00 10/16/2018 12:08 24 B002 TOP VALVE METAL TEAL Negative 0.00 10/16/2018 12:08 25 B002 TOP PUMP METAL BLUE Negative 0.00 10/16/2018 12:10 26 B002 SIDE HOUSING METAL BLUE Negative 0.12 10/16/2018 12:11 27 B002 SIDE STRAINER METAL BLACK Negative 0.01 10/16/2018 12:14 28 B002 SIDE FLANGE METAL GREEN Null 0.01 10/16/2018 12:15 29 B002 SIDE FLANGE METAL GREEN Negative 0.00 10/16/2018 12:15 30 B002 SIDE STAND METAL BLACK Negative 0.00 10/16/2018 12:16 31 B003 N HX3 METAL BRICK Negative 0.00 10/16/2018 12:36

Table 1 Summary of XRF Results

Empirical Environmental, LLC

Project Name: Lead-Based Paint Testing Project Site: Select HVAC areas in Arnold and Harmon Halls Project Number: 351840

XRF

Number Location Side Component Substrate Color Result

Lead Content

(mg/cm2)2 Date/Time 32 B003 TOP VALVE METAL TEAL Negative 0.00 10/16/2018 12:37 33 B003 TOP PUMP METAL BLUE Negative 0.00 10/16/2018 12:38 34 B003 SIDE STRAINER METAL BLACK Negative 0.03 10/16/2018 12:39 35 B003 SIDE FLANGE METAL GREEN Null 0.00 10/16/2018 12:40 36 B003 SIDE FLANGE METAL GREEN Negative 0.00 10/16/2018 12:40 37 B003 SIDE STAND METAL BLACK Negative 0.00 10/16/2018 12:40 38 B003 SIDE VALVE3-way HX3 METAL BLACK Negative 0.02 10/16/2018 12:52 39 B003 SIDE FLANGE HX1 METAL GRAY Negative 0.00 10/16/2018 12:54 40 B003 SIDE STAND HX1 METAL BLACK Negative 0.00 10/16/2018 13:03 41 B003 SIDE FLANGE METAL GREEN Negative 0.00 10/16/2018 13:04 42 TUNNEL SIDE CWR PIPE INTUNNEL METAL DK RED Negative 0.01 10/16/2018 13:18 43 TUNNEL SIDE PIPE SUPPORT METAL WHITE Negative 0.01 10/16/2018 13:19 44 B002 SIDE STAND HX2 METAL BLACK Negative 0.00 10/16/2018 13:38 45 B002 SIDE FLANGE METAL GREEN Negative 0.00 10/16/2018 13:39 46 B002 SIDE VALVE METAL BLUE Null 0.00 10/16/2018 13:40 47 B002 SIDE VALVE METAL BLUE Negative 0.00 10/16/2018 13:40 48 B001 SIDE PUMP 10 METAL RED Negative 0.03 10/16/2018 14:15 49 B001 SIDE PUMP 10 STAND METAL RED Negative 0.00 10/16/2018 14:16 50 B001 SIDE CHEM FEEDER METAL BLUE Negative 0.00 10/16/2018 14:18 51 B001 SIDE P10 HOUSING METAL RED Negative 0.00 10/16/2018 14:19 52 CALIBRATE N/A SURFACE N/A N/A Null 0.90 10/16/2018 15:13 53 CALIBRATE N/A SURFACE N/A N/A Positive 1.00 10/16/2018 15:15 54 CALIBRATE N/A SURFACE N/A N/A Null 1.00 10/16/2018 15:17 55 CALIBRATE N/A BURIED N/A N/A Positive 1.20 10/16/2018 15:18

Notes:

1. XRF indicates X-Ray Fluorescence

2. mg/cm 2 indicates milligrams per square centimeter

3. N/A indicates this parameter was not applicable.

4. Bold indicates LBP as defined by the EPA.