36E77618B0089-0002003.pdf

151 Kalmus Drive, Suite F-4, Costa Mesa, California 92626 / P 714.547.4301 / F 714.547.4647 www.citadelenvironmental.com

August 11, 2015

Jorge Valdez Fire Protection and Life Safety Manager, Engineering Service

DEPARTMENT OF VETERAN AFFAIRS

3350 La Jolla Village Drive San Diego, California 92161

Re: CITADEL Project No. 5137.1182.0 Limited Moisture Investigation Report Date of Moisture Intrusion Event: August 7, 2015

VA San Diego Medical Center Floors 4W, 3W, 2W, 1W and Basement Kitchen San Diego, California 92161

Dear Mr. Valdez:

Enclosed please find a copy of the Limited Moisture Investigation Report prepared by Citadel Environmental Services, Inc. All work was conducted in accordance with Client-established protocols.

If after your review you have any questions or require additional information, please do not hesitate to telephone me at the Citadel Office in Costa Mesa at 714.547.4301.

Sincerely, CITADEL ENVIRONMENTAL SERVICES, INC.

Michelle Campbell, CMC, CDPH, CAC Certified Industrial Hygienist 10776 CP Director, Industrial Hygiene, Occupational Safety and Training

Enclosure

Limited Moisture Investigation Report

August 11, 2015

Citadel Project Number 5137.1182.0

CITADEL PROJECT NO. 5137.1182.0

LIMITED MOISTURE INVESTIGATION REPORT

VA SAN DIEGO MEDICAL CENTER

3350 LA JOLLA VILLAGE DRIVE

SAN DIEGO, CALIFORNIA

AUGUST 11, 2015

Table of Contents

1.0 BACKGROUND

2.0 SCOPE OF SERVICES

3.0 FIELD AND ANALYTICAL METHODOLOGY

4.0 OBSERVATIONS

6.0 RESULTS

7.0 DISCLAIMER AND LIMITATIONS

9.0 SIGNATURES

APPENDICES

Field Documentation ........................................................................................................................... …… A Floor Plans……………………………………………………………………………………………………………B Photographic Documentation………………………………………………………………………………… C Air Monitoring Datalogs..……………………………………………………………………….…….……….....D Laboratory Reports…………………………………………………………………………………………………E

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1.0 BACKGROUND

Citadel Environmental Services, Inc. (“Citadel”), was contracted by the Veterans Administration San Diego Healthcare System (VASDHS) (the “Client”), to provide asbestos and moisture consulting services in conjunction with a large scale moisture intrusion event impacting several areas on the west wing, Basement through Fourth Floor, of the Veterans Administration San Diego Medical Center (VASDMC), Building #1 (the “Building”).

The VASDMC consists of two buildings, (Building #1 and Building #2) reportedly constructed between 1968 and 1972. The buildings are concrete and steel frame structures. Building #1 is a six-story structure including a Penthouse and Basement Level, with interstitial floor space at each floor above the drop ceilings that house the mechanical systems for each floor. The total area of the buildings is estimated to be 1,045,000 square feet. Asbestos-containing spray applied fireproofing materials have been identified throughout the interstitial floor spaces as identified in the facilities Asbestos Operations and Maintenance Program (O & M).

Citadel understands that a fire sprinkler located inside the 4-West (4W) DLO Project Area was damaged just after midnight on August 7, 2015. Asbestos abatement of flooring materials was underway in the 4W DLO Project Area, when the Contractor (Unlimited Environmental) moved a scaffold system, snapping a sprinkler head and causing water to flood for approximately one (1) hour before being shut off. The fire suppression loop has not been recently (within the past 3-months) flushed therefore this was classified as a black water loss due to the potential for pathogens to be present in the water. The water ran down via interstitial floor spaces (INT) to 3- West (3W), 2-West (2W), 1-West (1W), Stairwell 1 and the Basement Kitchen.

2.0 SCOPE OF SERVICES

Citadel Environmental Services, Inc. (Citadel) was contacted by Veterans Administration San Diego Healthcare System (VASDHS) (the “Client”) to provide asbestos and moisture consulting services.

The scope of the investigation included:

1) Performing an initial visual inspection and outlining a scope of work for the mitigation efforts, limited to impacted areas of 4W, 3W, 3W-INT, 2W, 2W-INT, 1W, 1W-INT and the Basement Kitchen, to identify moisture-impacted and/or microbial-impacted materials;

2) Conducting area (air) monitoring to determine ambient airborne fiber concentrations (using phase contrast microscopy) in occupied moisture-impacted areas;

3) Collecting water samples from pooled/standing water in moisture-impacted areas to determine fiber concentrations and submitting the samples to an independent accredited laboratory for analysis; and

4) Providing a written report to include all field documentation, moisture maps, photographic documentation, observations, methodologies and recommendations for the remediation.

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Citadel’s Senior Industrial Hygienist, Mr. Chris Roberts, and Field Representative, Mr. Josh Hoover, conducted the initial investigations on August 7 and 8, 2015. Mr. Roberts is a California-Certified Asbestos Consultant (CAC#08-4450) and Mr. Hoover is a California-Certified Site Surveillance Technician (CSST #14-5288). All work was performed under the general supervision of Ms. Michelle Campbell, an ABIH Certified Industrial Hygienist (CIH #10996 CP) and Certified Asbestos Consultant (CAC # 09-4519). The Contractor contracted the services of Patriot Environmental (Patriot), to provide an assessment of moisture-impacted materials. Citadel’s assessment was independent of Patriot’s investigation.

3.0 FIELD AND ANALYTICAL METHODOLOGY

Moisture Investigation

Citadel conducted visual inspections for signs of visible moisture damage and/or suspect microbial growth (SMG). The visual inspections were performed on August 7 and 8, 2015, and were limited to the following moisture-impacted areas (occupied areas):

4W – Corridor 4039, Room 4513, Room 4506, Corridor 4053, Room 4040, Room 4501, Room 4500, Room 4069, Room 4066, Room 4070, Room 4070C, Room 4070A, Room 4058, Room 4059, Room 4520, Room 4078, Room 4078A, Room 4079, Room 4035, Room 4022, Room 4039A and Nuclear Medicine.

3W – Room 3056, Room 3058, Room 3060, Room 3053, Room 3065, Room 3068, Room 3064, Room 3063A, Room 3051, Room 3078, Room 3076, Room 3074, Room 3074A, Room 3073, Room 3083 and Room 3046A.

2W – Room 2088, Room 2086, Room 2085, Room 2040, Room 2092, Room 2094, Room 2096, Room 2084, Room 2082, Room 2081, Room 2098, Room 2080, Room 2068, Room 2077, Corridor 2108, Room 2113, Room 2111, Room 2108, Room 2058, Room 2056, Room 2054, Room 2052, Room 2050, Room 2049, Room 2047, Room 2046, Room 2069, Room 2068, Room 2048, Room 2063, Room 2067, Room 2064, Room 2061, Room 2062

1W – Room 1230, Room 1229, Room 1231A, Room 1227, Corridor 1233, Room 1225, and Room 1224, and Room 1220.

Basement – Corridor B-125, Room B-134, and Corridor B-140.

Stairwell 1 – Floors Basement through Fourth.

Citadel also conducted visual inspections of the 1W-INT, 2W-INT and 3W-INT floors.

In moisture-impacted areas, Citadel employed the use of a pin-type moisture meter (Delmhorst BD-2100) and a FLUKE® TiR infrared camera to check potentially impacted surfaces for relative moisture content. Materials were considered wet or impacted if their moisture content was greater than that of like materials from non-impacted areas of the building.

The Delmhorst uses two pin electrodes to detect differences in the capacitance of the signal to determine water content when the pins are inserted into the material so that they penetrate the surface of building materials. The FLUKE® TiR infrared camera is a non-contact device that detects infrared energy and converts the measurements to temperature readings. The camera then converts those temperature measurements into a thermal image on a video monitor which may also be saved as a jpg image.

The Delmhorst is designed to measure moisture levels in wood, concrete, EIFS, sheetrock, and other materials. It has a 6-40% moisture range for wood, a 0.2-50% range for gypsum and a 0 to 100

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Air Monitoring – Fiber Concentrations

Citadel collected area (air) samples at Client designated locations throughout occupied moisture-impacted areas. As the samples were collected, the location of each air sample was marked on floor plans provided by the Client. Drawings indicating each air sample location can be found in Appendix B.

Samples of airborne fiber levels were collected onto 25-millimeter, 0.8 micron pore, mixed cellulose ester filter membranes contained in conductive cassettes. The extended cowl of the cassette remained open-faced and positioned downward at a 45 angle throughout the sampling period.

Air sampling pump flow rates were documented at the beginning and end of the sampling period using a rotometer calibrated against an intermediate flow standard.

Air samples were analyzed on site by Phase Contrast Microscopy (PCM) at 400X magnification according to the National Institute of Occupational Safety and Health (NIOSH) Method 7400, "A" counting rules. PCM analysis "counts" all structures with a length greater than 5 microns, and a length-to-width ratio of greater than 3:1. It is possible, therefore, that non-asbestos, fibrous dust such as carpeting, fiberglass, and cellulose fibers were "counted."

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4.0 OBSERVATIONS

Initial Investigation

The following visual observations (Table 1.0) were made at the time of the initial investigation performed on August 7 and 8, 2015.

Table 1.0 Summary of Visual Observations, August 7 and 8, 2015.

Location Moisture

Observations

Recommendations0F

FOURTH FLOOR

Corridor

Drywall:

13.3 – 25.3

IR Camera Used

Elevated moisture measurements were indicated for the following areas:

o N, S, E and W walls:

extending up from the floor approx. 1 foot (1F) for approx. 84 linear feet

(84 LF).

Remove the drywall materials extending up from the floor three (3) feet in the following areas:

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Clean non-porous materials with an approved anti-microbial/anti-bacterial cleaning agent.

Nuclear Room - Conference Room 4513

Drywall:

18.0 – 23.0 areas:

o N, S, E and W walls:

extending up from the floor approx. 1F.

Glue down carpet saturated.

Remove the drywall materials extending up from the floor three (3) feet in the following areas:

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove wet carpet.

Clean non-porous materials with an approved anti-microbial/anti-bacterial cleaning agent.

Nuclear Medicine Room 4506

Drywall:

0.9 – 13.4 areas:

o N and E walls: extending up from the floor approx.

1F for approx. 12 LF on N wall and 14 LF on E wall.

o N and E walls; and o Continue to remove two (2) feet past last visible SMG.

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Corridor

Drywall:

5.1 – 23.1 areas:

o N, S, E and W walls:

extending up from the floor approx. 1F for approx. 140 LF.

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 4040 Drywall:

4.1 – 15.5 areas:

o S and W walls: extending up from the floor approx.

1F for approx. 18 LF on S wall and 18 LF on W wall.

o S and W walls; and o Continue to remove two (2) feet past last visible SMG.

Medicine Room 4501

Drywall:

6.3 – 11.1 areas:

o S wall: extending up from the floor approx. 1F for approx. 8 LF.

o S wall; and o Continue to remove two (2) feet past last visible SMG.

Medicine Room 4500

Drywall:

3.0 – 18.1 areas:

o S, E and W walls:

extending up from the floor approx. 1F for approx. 70 LF.

Glue down carpet saturated.

Remove the drywall materials extending up from the floor three (3) feet in the following areas:

o S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove wet carpet.

Room 4069 Drywall:

5.1 – 12.3 areas:

o N, S, E and W walls:

extending up from the approx. 35 LF.

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

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Room 4066 Drywall:

11.1 – 23.6 areas:

o N, S, E and W walls:

extending up from the approx. 35 LF.

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 4070 Drywall:

10.1 – 11.4 areas:

o W wall: extending up for approx. 15 LF.

o W wall; and o Continue to remove two (2) feet past last visible SMG.

Room 4070C Drywall:

5.2 – 6.8 areas:

o N wall: extending up for approx. 6 LF.

o N wall; and o Continue to remove two (2) feet past last visible SMG.

Room 4070A Drywall:

4.2 – 6.4 areas:

o N, S, E and W walls:

extending up from the approx. 32 LF.

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 4058 Drywall:

3.9 – 5.4 areas:

o N, S, E and W walls:

extending up from the floor approx. 1F.

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

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Room 4059 Drywall:

2.5 – 4.8 areas:

o N, S, E and W walls:

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 4520 Drywall:

2.7 – 3.2 areas:

o N, S, E and W walls:

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 4078 Drywall:

10.1 – 22.9 areas:

o N and E walls: extending up from the floor approx.

1F for approx. 35 LF.

Glue down carpet stained/saturated.

Remove the drywall materials extending up from the floor three (3) feet in the following areas:

o N and E walls; and o Continue to remove two (2) feet past last visible SMG.

Remove wet carpet.

Room 4078A Drywall:

0.1 – 0.4

IR Camera Used

Glue down carpet stained/saturated.

Remove wet carpet.

Room 4079 Drywall:

No elevated moisture measurements indicated.

No further recommendations.

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Room 4035 Drywall:

7.1 – 7.4 areas:

o S wall: extending up for approx. 10 LF.

o S wall; and o Continue to remove two (2) feet past last visible SMG.

Room 4032 Drywall:

Room 4039A Drywall:

14.5 – 25.3 areas:

o S, E and W walls:

extending up from the approx. 150 LF.

o S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

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THIRD FLOOR

Room 3056 Drywall:

5.2 – 17.1 areas:

o N, S, E and W walls:

extending up from the approx. 50 LF.

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 3058 Drywall:

9.4 – 15.5 areas:

o N, S, and E walls:

extending up from the floor approx. 1F for approx. 35 LF;

o W wall: extending from the floor to the ceiling for approx. 14 LF.

Carpet stained.

Remove the drywall materials extending up from the floor three (3) feet in the following areas:

o N, S, and E walls; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending up from the floor to the ceiling in the following areas:

o W wall; and o Continue to remove two (2) feet past last visible SMG.

Clean non-porous materials with an approved anti-microbial/anti-bacterial cleaning agent.

Remove stained carpet.

Room 3060 Drywall:

8.9 – 15.7 areas:

o N, S, E and W walls:

extending up from the floor to the ceiling for approx. 35 LF.

Carpet stained.

Remove the drywall materials extending up from the floor to the ceiling in the following areas:

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Clean non-porous materials with an approved anti-microbial/anti-bacterial cleaning agent.

Remove stained carpet.

Room 3053 Drywall:

7.5 – 13.1 areas:

o N, S, E and W walls:

extending up from the approx. 42 LF.

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 3065 Drywall:

9.0 – 15.2 areas:

Remove the drywall materials extending up from the floor three (3) o N, S, E and W walls; and

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5137 1182 0_VASD_4W_DLO_Sprinkler_Break_Limited_Moisture_Investigation_Report_CR|VASDHS 10 o N, S, E and W walls:

approx. 122 LF; and o Continue to remove two (2) feet past last visible SMG.

Staff Restroom Adj. to Room 3080

Drywall:

areas:

o Hard lid ceiling: entire ceiling; and o E wall; extending down from the ceiling 1F for length of wall.

Remove the drywall materials in the following areas:

o Entire hard lid ceiling; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending down from the ceiling three

(3) feet in the following areas:

o E wall; and o Continue to remove two (2) feet past last visible SMG.

“Blood Draw” Room

Drywall:

5.2 – 12.8 areas:

o N, S, E and W walls:

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Nurse Station Room 3064

Drywall:

3.2 – 9.4 areas:

o S wall: extending up from the floor approx. 8F for approx. 128 LF.

Remove the drywall materials extending up from the floor to ceiling in the following areas:

o S wall; and o Continue to remove two (2) feet past last visible SMG.

Room 3063 Drywall:

areas:

o N, S, E and W walls:

extending up from the approx. 40 LF.

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

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Room 3063A Drywall:

12.7 – 25.9 areas:

o N, S, E and W walls:

extending up from the floor approx. 6F for approx. 38 LF.

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 3051 Drywall:

19.6 – 27.5 areas:

o N, S, E and W walls:

extending up from the approx. 46 LF.

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 3051

Drywall:

7.5 – 12.1 areas:

o N, S, E and W walls:

extending up from the floor approx. 8F for approx. 20 LF.

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 3078 Drywall:

4.9 – 10.6 areas:

o N, S, E and W walls:

extending up from the floor approx. 8F for approx. 42 LF.

Remove the drywall materials extending up from the floor to the ceiling in the following areas:

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 3076 Drywall:

Room 3074 Drywall:

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Room 3074A Drywall:

Room 3073 Drywall:

Room 3083 Drywall:

4.2 – 8.7 areas:

o S, E and W walls:

extending up from the approx. 28 LF.

o S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 3046A Drywall:

9.6 – 14.2

IR

Camera areas:

o S wall: extending up from the floor approx. 10F for approx. 22 LF.

Remove the drywall materials extending up from the floor twelve (12) o S wall; and o Continue to remove two (2) feet past last visible SMG.

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SECOND FLOOR

Room 2088 Drywall:

IR

Room 2086 Drywall:

Room 2085 Drywall:

Room 2090 Drywall:

1.9 – 4.9

IR

areas:

o SE upper wall at ceiling;

extending down from the ceiling approx. 4F for approx. 4 LF.

Remove the drywall materials extending down from the ceiling six (6) o SE wall at corner; and o Continue to remove two (2) feet past last visible SMG.

Room 2092 Drywall:

2.0 – 4.5

IR

areas:

o N upper wall at ceiling:

extending down approx.

2 feet for approx. 1 LF

Remove the drywall materials extending down from the ceiling four

(4) feet in the following areas:

o N upper wall; and o Continue to remove two (2) feet past last visible SMG.

Room 2094 Drywall:

1.7 – 5.1 areas:

Remove the drywall materials extending down from the ceiling four(4) feet in the following areas:

o N upper wall; and

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2F for approx. 1 LF.

Room 2096 Drywall:

7.0 – 11.6

IR

areas:

o SW upper wall at ceiling:

3F for approx. 2 LF.

Remove the drywall materials extending down from the ceiling five

(5) feet in the following areas:

o SW upper wall; and o Continue to remove two (2) feet past last visible SMG.

Room 2084 Drywall:

N/A

IR

areas:

o E upper wall at SE corner:

1F for approx. 2 LF.

Remove the drywall materials extending down from the ceiling three

(3) feet in the following areas:

o E upper wall at SE corner; and o Continue to remove two (2) feet past last visible SMG.

Room 2082 Drywall:

Room 2081 Drywall:

Room 2098 Drywall:

Room 2080 Drywall:

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Room 2069 Drywall:

1.4 – 2.5

IR

areas:

o N and W walls: extending up from the floor approx.

1F for approx. 30 LF; and o SW and SE corners: and extending down from the o N and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending down from the ceiling three

(6) feet in the following areas:

o SW and SE corners; and o Continue to remove two (2) feet past last visible SMG.

Room 2068 Drywall:

2.8 – 3.2

IR

areas:

o N upper wall at ceiling:

extending down from the ceiling approx. 1F for approx. 2 LF.

o N upper wall; and o Continue to remove two (2) feet past last visible SMG.

Room 2077 Drywall:

- outside Room 2111

- Outside Room 2113

Drywall:

7.0 – 19.8

3.1 – 20.8

Camera Used

Elevated moisture measurements were indicated for the following areas:

o S wall outside 2111:

extending up from the floor approx. 1F for approx. 8 LF;

o S wall outside 2113:

extending up from the floor approx. 1F for approx. 4 LF; and

Remove the drywall materials extending up from the floor three (3) feet in the following areas:

o S wall outside Rooms 2111 and 2113; and o Continue to remove two (2) feet past last visible SMG.

Remove wet ceiling panels.

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Room 2113 Drywall:

8.0 – 21.3

IR

areas:

o NC ceiling extending to NW approx. 6x16 LF.

o N wall column at ceiling:

extending down from the floor approx. 3Wx9L.

o E wall from entrance door extending up 1F to the bathroom door approx.

16 LF.

o NC ceiling; N wall column; and E wall o Continue to remove two (2) feet past last visible SMG.

Room 2111 Drywall:

5.9 – 11.8

IR

areas:

o E upper wall at ceiling:

extending down from the o E upper wall; and o Continue to remove two (2) feet past last visible SMG.

Room 2108 Drywall:

N/A

IR

Elevated moisture observed with IR camera for the following areas:

o Hard Lid Ceiling at Sprinkler Head adj. to door: approx. 2 square feet (2 SF) o Hard Lid Ceiling Surrounding Sprinkler Head Near Door; and o Continue to remove two (2) feet past last visible SMG.

Room 2058 Drywall:

12.8 – 26.5

IR

areas:

o N, S, E and W walls:

extending up from the floor approx. 1F; and o E wall above sink mirror extending down from the

Remove the drywall materials extending up from the floor three (3) feet in the following areas:

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending down from the ceiling five

(5) feet in the following areas:

o E wall above sink mirror; and

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Room 2058

Drywall:

10.8 – 15.7

IR

areas:

o SE and W walls at ceiling:

extending up from the approx. 22 LF.

o SE and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 2056 Drywall:

17.6 – 25.8

IR

areas:

o N, S, E and W walls:

floor approx. 8F.

Remove the drywall materials extending floor to ceiling in the following areas:

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 2054 Drywall:

5.0 – 18.9

IR

areas:

o N. S, E and W walls:

extending up from the floor approx. 1F; and o E wall at ceiling:

extending down from the ceiling approx. 1F.

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending down from the ceiling two

(2) feet in the following areas:

o E wall; and o Continue to remove two (2) feet past last visible SMG.

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Room 2052 Drywall:

9.9 – 15.0

IR

areas:

o N. S, E and W walls:

extending up from the floor approx. 1F; and o SE wall at ceiling:

extending down from the ceiling approx. 1F.

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending down from the ceiling two

(2) feetin the following areas:

o SE wall; and o Continue to remove two (2) feet past last visible SMG.

Room 2050 Drywall:

9.7 – 14.3

IR

areas:

o N. S, E and W walls:

extending up from the floor approx. 1F; and o N, S, E and W walls at ceiling: extending down from the ceiling approx.

1F.

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending down from the ceiling three

(3) feet in the following areas:

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 2050

Drywall:

N/A

IR

areas:

o Hard Lid Ceiling: approx.

18 SF.

o Hard Lid Ceiling; and o Continue to remove two (2) feet past last visible SMG.

Room 2049 Drywall:

1.6 – 7.9

IR

areas:

o N. S, E and W walls:

extending up from the approx. 50 LF.

o N. S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

3350 LA JOLLA VILLAGE DRIVE

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Room 2068 Drywall:

2.2 – 8.0

IR

areas:

o N and W walls: extending up from the floor approx.

1F for approx. 36 LF; and o NW wall at ceiling:

extending down from the o N and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending down from the ceiling three

(3) feet in the following areas:

o NW wall; and o Continue to remove two (2) feet past last visible SMG.

Drywall:

7.8 – 22.8

IR

areas:

o N, S, E and W walls:

extending up from the floor approx. 1F for approx. 150 LF; and o N and S walls at ceiling:

extending down from the approx. 70 LF.

o E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending floor to ceiling in the following areas:

o N and S walls; and o Continue to remove two (2) feet past last visible SMG.

Room 2046 Drywall:

3.5 – 19.3

IR

areas:

o N and W walls: extending up from the floor approx.

1F for approx. 20 LF; and o N and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 2063 Drywall:

8.9 – 26.4

IR

areas:

o SW wall at ceiling:

extending down from the ceiling approx. 6F for approx. 25 LF.

Remove the drywall materials extending floor to ceiling in the o SW wall; and o Continue to remove two (2) feet past last visible SMG.

Room 2067 Drywall:

3350 LA JOLLA VILLAGE DRIVE

5137 1182 0_VASD_4W_DLO_Sprinkler_Break_Limited_Moisture_Investigation_Report_CR|VASDHS 20

Room 2064 Drywall:

12.5 – 26.4

IR

areas:

o N, S, E and W walls:

extending up from the floor approx. 1F for approx. 90 LF; and o N and S walls at ceiling:

extending down from the ceiling approx. 2F for approx. 30 LF.

o E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending floor to ceiling in the following areas:

o N and S walls; and o Continue to remove two (2) feet past last visible SMG.

Room 2061 Drywall:

6.9 – 10.1

IR

areas:

o N, S, E and W walls:

extending up from the approx. 25 LF.

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 2062 Drywall:

13.4 – 20.2

IR

areas:

o N, S, E and W walls:

extending up from the floor approx. 1F for approx. 25 LF; and o N and S walls at ceiling:

extending down from the approx. 18 LF.

o E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove the drywall materials extending floor to ceiling in the following areas:

o N and S walls; and o Continue to remove two (2) feet past last visible SMG.

3350 LA JOLLA VILLAGE DRIVE

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FIRST FLOOR

Room 1230 Drywall:

4.9 – 15.6

IR

areas:

o N, S, E and W walls:

extending up from the approx. 80 LF.

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 1229 Plaster:

areas:

o S wall at ceiling:

extending down from the approx. 20 LF.

Dry plaster materials in the following areas:

o S wall.

Room 1231A Drywall:

5.7 – 18.0

IR

areas:

o N, S, E and W walls:

extending up from the approx. 40 LF; and o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 1227 Drywall:

areas:

o W wall at ceiling:

extending down from the o W wall; and o Continue to remove two (2) feet past last visible SMG.

3350 LA JOLLA VILLAGE DRIVE

5137 1182 0_VASD_4W_DLO_Sprinkler_Break_Limited_Moisture_Investigation_Report_CR|VASDHS 22

Drywall:

0.9 – 1.6

IR

areas:

o W wall: extending up for approx. 55 LF.

o W wall; and o Continue to remove two (2) feet past last visible SMG.

Room 1225 Drywall:

0.6 – 1.5

IR

areas:

o N, S, E and W walls:

extending up from the approx. 15 LF.

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Room 1220 Drywall:

3.0 – 18.1

IR

Room 1224 Drywall:

areas:

o W wall at ceiling:

extending down from the approx. 3 LF.

Remove the drywall materials extending down three (3) feet in the o W wall at ceiling; and o Continue to remove two (2) feet past last visible SMG.

3350 LA JOLLA VILLAGE DRIVE

5137 1182 0_VASD_4W_DLO_Sprinkler_Break_Limited_Moisture_Investigation_Report_CR|VASDHS 23

BASEMENT

B-125

Drywall:

0.8 – 20.6

IR

areas:

o W wall: extending up from the floor approx. 1F for approx. 22 LF.

Multiple wet ceiling panels.

o W wall; and o Continue to remove two (2) feet past last visible SMG.

Clean non-porous materials with an approved anti-microbial/anti-

Remove wet ceiling panels.

Room B134 Drywall:

0.9 – 18.5

IR

areas:

o N, S, E and W walls:

extending up from the floor approx. 1F for approx. 72 LF.

o Carpet tiles saturated.

o N, S, E and W walls; and o Continue to remove two (2) feet past last visible SMG.

Remove wet carpet tiles.

Corridor B-

Drywall:

1.0 – 21.0

IR

areas:

o N and E walls: extending up from the floor approx.

1F for approx. 42 LF.

o N and E walls; and o Continue to remove two (2) feet past last visible SMG.

3350 LA JOLLA VILLAGE DRIVE

5137 1182 0_VASD_4W_DLO_Sprinkler_Break_Limited_Moisture_Investigation_Report_CR|VASDHS 24

Table Notes Background drywall moisture measurements ranged: 0.1-0.4%

STAIRWELL 1

Floors 1-4

Basement

Drywall:

0.4 – 9.9

1.2 – 3.1

IR

areas:

o N, S, E and W walls:

extending up from the stairwell landings and staircase to 8 feet on all walls

Remove the drywall materials extending up from the floor ten (10) o N, S, E and W walls in stairwell landings and staircase; and o Continue to remove two (2) feet past last visible SMG.

Alternative Method of Remediation:

Citadel has utilized ThermaPureHeat® Technology to “super heat” and pasteurize stairwell’s to avoid compromising the integrity of fire rated walls. This would be considered an acceptable alternative method of remediation for this area.

3350 LA JOLLA VILLAGE DRIVE

5137 1182 0_VASD_4W_DLO_Sprinkler_Break_Limited_Moisture_Investigation_Report_CR|VASDHS 25

Interstitial Floor Spaces

In addition to assessing occupied areas of the VASDMC, Citadel conducted a walkthrough inspection of the interstitial floor spaces as follows: 1W-INT; 2W-INT, and 3W-INT. The following observations were noted:

3W-INT: saturated spray applied fireproofing and plaster in multiple locations totaling approximately 500 square feet;

2W-INT: saturated spray applied fireproofing and plaster in multiple locations totaling approximately 400 square feet; and

1W-INT: saturated spray applied fireproofing and plaster in multiple locations totaling approximately 175 square feet.

The INT’s are not designed for occupancy and are classified as a regulated area due to the presence of asbestos-containing spray applied fireproofing. As such, any employees, contractors and/or vendors entering are required to don appropriate personal protective clothing and respiratory protection. Additionally, the INT’s house mechanical equipment and often have a significantly higher ambient temperature than the occupied areas of the medical center. The medical center operates on a single pass (100% exhaust) HVAC system with little to no potential for INT air to enter occupied areas without a physical disturbance being created (e.g. removing ceiling tiles). Based on this information, Citadel is recommending that the moisture-impacted fireproofing and plaster materials be “fogged” with a suitable anti-bacterial cleaning agent and then left to dry (without the aid of drying equipment), with progress tracked on a weekly schedule.

General Recommendations for the Remediation of Moisture-Impacted Materials

The following recommendations pertain to the removal of moisture-damaged and/or microbial-impacted building materials:

Removal of moisture-impacted and/or microbial-impacted materials should be performed in accordance with standard industry practice (IICRC S500 Standard & Reference Guide for Professional Water Damage Restoration & IICRC S520 Standard & Reference Guide for Professional Mold Remediation), by an experienced remediation contractor, utilizing negative pressure containment(s).

Consult the VASDMC O & M Program to identify asbestos-containing materials and their location.

All asbestos removal operations shall be performed by a Cal/OSHA-DOSH-registered and California-licensed asbestos contractor. All disturbances of asbestos-containing materials, and/or abatement operations, should be performed under the surveillance of a third-party Cal/OSHA Certified Asbestos Consultant retained by the Client.

All disturbances of asbestos-containing materials, and/or abatement operations, must be performed in accordance with the Cal/OSHA requirements set forth in 8 CCR 1529. Given the location of the subject facility, all asbestos abatement must also be performed in accordance with San Diego Air Pollution Control District (SDAPCD) requirements.

Finally, notification of the presence and location of asbestos-containing materials shall be made to all employees and vendors who work within the VASDMC, in accordance with California Health and Safety Code, Section 25915, et seq. (also known as Connelly Notification Bills).

3350 LA JOLLA VILLAGE DRIVE

5137 1182 0_VASD_4W_DLO_Sprinkler_Break_Limited_Moisture_Investigation_Report_CR|VASDHS 26

Please note that the actual scope of work is subject to change based on actual field conditions once intrusive work (removing drywall, etc.) is completed.

Contact Citadel for final visual inspection, air monitoring (asbestos) and swab sampling (sewage indicator organisms - as deemed necessary) prior to releasing areas for occupancy.

6.0 RESULTS

Air Monitoring

Air samples were collected from designated occupied moisture-impacted areas to determine airborne fiber levels. Non-aggressive sampling techniques were utilized.

Results of the air samples indicated that airborne fiber levels on August 7, 2015, following the moisture intrusion event remained below the Environmental Protection Agency's recommended re-occupancy level of 0.010 fibers per cubic centimeter of air (<0.010 f/cc). Air sample data can be found in Appendix D.

Table 2.0 Summary of Air Sample Results, August 7, 2015

Sample No. Location Result (fibers/cc)

001 Lab Blank N/A

002 Field Blank N/A

003 Basement Kitchen, Corridor B125B <0.0034

004 Basement Office B134 <0.0035

005 1W Specimen Processing Window 1221 <0.0037

006 1W Corridor 1233 Outside Microbiology 1231 <0.0037

007 2W Corridor 2079 Outside Room 2096 <0.0041

008 2W Corridor 2048 Outside Room 2067 <0.0043

009 3W Corridor 3049 Outside Room 3053 <0.0091

010 3W Hemodialysis Room 3111 <0.0048

011 4F Corridor Outside Room 4503 <0.0051

3350 LA JOLLA VILLAGE DRIVE

5137 1182 0_VASD_4W_DLO_Sprinkler_Break_Limited_Moisture_Investigation_Report_CR|VASDHS 27

Water Sampling

Per the Client’s request, water samples were collected from standing/pooled water in occupied areas for the determination of asbestos structures. Composite samples were collected to ensure the minimum sample volume of one (1) liter required for analysis was achieved. All results were reported as non-detected for asbestos fibers. Results are summarized in Table 3.0 below.

Laboratory reports are presented in Appendix E.

Table 3.0 Summary of Water Sample Results, August 7, 2015

Sample No. Location Result (Million Fibers per Liter)

AW001 Composite Sample – Floors 2W, 3W and 4W < 4.90

AW002 Composite Sample – Stairwell 1, Basement and 1 <4.90

3350 LA JOLLA VILLAGE DRIVE

5137 1182 0_VASD_4W_DLO_Sprinkler_Break_Limited_Moisture_Investigation_Report_CR|VASDHS 28

7.0 DISCLAIMER AND LIMITATIONS

This report has been prepared by Citadel Environmental Services, Inc. exclusively for our Client and their Authorized Representatives. The information contained herein pertains only to accessible materials reported by the Client to be present at the referenced property which were surveyed and assessed in accordance with a mutually agreed upon scope of work. The findings and recommendations presented are based upon observations of present conditions, and may not necessarily indicate future conditions. Citadel Environmental Services, Inc. implies no warranty to the accuracy of information provided them by the Client or outside agents and transmitted herein. The information contained herein may not be used, disclosed, or copied without written permission of the Client.

Reasonable effort was made by Citadel personnel to locate suspect microbial growth. However, for any facility the existence of unique or concealed microbial growth is a possibility. Conditions of microbial growth can change in short periods of time due to water intrusion, environmental conditions and other factors. Results of this report represent the conditions at the time of the investigation only. Citadel does not warrant, guarantee or profess to have the ability to locate or identify all microbial contamination in a facility.

3350 LA JOLLA VILLAGE DRIVE

5137 1182 0_VASD_4W_DLO_Sprinkler_Break_Limited_Moisture_Investigation_Report_CR|VASDHS 29

9.0 SIGNATURES

All work was conducted in accordance with Client-established protocols, and the standards of care and diligence normally practiced by recognized consulting firms in performing services of a similar nature.

Work Completed By:

[Signature available on field documentation]

Josh Hoover, MS, CSST Field Representative

[Signature available on field documentation]

Chris Roberts, CAC Senior Industrial Hygienist

Report Prepared By:

[Signature available on field documentation]

Chris Roberts, CAC Senior Industrial Hygienist

Report Reviewed By:

Michelle Campbell, CMC, CDPH, CAC Certified Industrial Hygienist #10996 CP Director, Industrial Hygiene, Occupational Safety and Training Services

Appendix A

&ÉÅÌÄ.$ÏÃÕÍÅÎÔÁÔÉÏÎ

Appendix B

FÌÏÏÒ.0ÌÁÎÓ

August 10, 2015 CITADEL PROJECT NO. 5137.1182.0

Basement Asbestos Air Sample Plots P a g e | 1

VA SAN DIEGO

Limited Moisture Investigation Report

VA San Diego 3350 La Jolla Village Drive, La Jolla, California

151 Kalmus Drive, Suite F-4, Costa Mesa, California 92626 Tel: (714) 547-4301 Fax: (714) 547-4647 www.citadelenvironmental.com

DRAWING LEGEND:

ASBESTOS AIR SAMPLE LOCATIONS

- < EPA Re-occupancy

Level

003 Basement Kitchen Corridor B125B

004 - Basement Office B134

1st Floor Asbestos Air Sample Plots P a g e | 2

VA San Diego

005 - 1st Floor Specimen Processing Window 1221

006 - 1st Floor Corridor 1233 Outside Microbiology 1231

2nd Floor Asbestos Air Sample Plots P a g e | 3

VA San Diego

007 - 2nd Floor Corridor 2079 Outside 2096

008 - 2nd Floor Corridor 2048 Outside 2067

3rd Floor Asbestos Air Sample Plots P a g e | 4

VA San Diego

009 - 3rd Floor Corridor 3049 Outside Room 3053

010 - 3rd Floor Hemodialysis Room 311

4th Floor Asbestos Air Sample Plots P a g e | 5

VA San Diego

011 - 4th Floor Corridor Outside Room 4503

Appendix C

0ÈÏÔÏÇÒÁÐÈÉÃ.$ÏÃÕÍÅÎÔÁÔÉÏÎ

VASD

Citadel Project No. 5137.1182.0

San Diego, California

PHOTO A: Room 4039A (08-07-15) View of water leak.

PHOTO B: Corridor next to Room 4039A (08-07-15) View of wetted lower wall with blower and dehumidifiers in place.

PHOTO C: Room 4040 (08-07-15)

View of blower and negative HEPA next to lower wall.

PHOTO D: Room 4040 (08-07-15) View of decon.

PHOTO E: Corridor 4053 (08-07-15)

View of wetted lower wall with dehumidifier and blowers in place.

PHOTO F: Room 4066 (08-07-15) View of wetted lower wall.

San Diego, California

PHOTO G: Room 4069 (08-07-15) View of wetted lower wall.

PHOTO H: Room 4070 PET Scanner (08-07-15) View of west lower wall wetted up to one foot in height.

Approximately 15 linear feet.

PHOTO I: Room 4070 A Exam Room #3 (08-07-15) View of lower walls wetted up to one foot on all walls.

Approximately 32 linear feet.

PHOTO J: Room 4078 Medical Library (08-07-15) View of North and East lower walls wetted up to one foot in height. Approximately 35 linear feet.

PHOTO K: Room 4500 (08-07-15) View of wetted lower wall and carpet with dehumidifier and blower in place.

PHOTO L: Room 4501 (08-07-15)

San Diego, California

PHOTO M: Room 4513 (08-07-15) View of wetted lower wall. PHOTO N: Room 4514 (08-07-15)

PHOTO O: Stairwell 1 at Floor 4 (08-08-15)

View of all walls wetted from floor to ceiling.

PHOTO P: 3rd – 4th Floor Interstitial (08-08-15) View of wetted fireproofing on west beams.

PHOTO Q: 3rd – 4th Floor Interstitial (08-08-15) View of wetted fireproofing on west beams.

PHOTO R: Room 3063A (08-07-15) View of wetted drywall up to six feet in height.

Approximately 38 linear feet.

San Diego, California

PHOTO S: Room 3064 Blood Drawing (08-07-15) View of wetted drywall on South wall to ceiling level.

PHOTO T: Room 3065 Blood Drawing (08-07-15) View of lower walls wetted up to one foot. Approximately

122 linear feet.

PHOTO U: Room 3083 (08-07-15) View of South, East and West walls wetted up to one foot.

Approximately 28 linear feet.

PHOTO V: 2nd – 3rd Floor Interstitial (08-08-15) View of wetted fireproofing on metal components.

PHOTO W: 2nd – 3rd Floor Interstitial (08-08-15) View of wetted fireproofing and plaster on west side.

PHOTO X: Room 2047 (08-08-15) View of all lower walled wetted up to one foot in height.

Approximately 40 linear feet.

San Diego, California

PHOTO Y: Room 2049 (08-08-15) View of all lower walls wetted up to one foot in height.

Approximately 50 linear feet.

PHOTO Z: Room 2058 (08-08-15) View of all lower walls wetted up to one foot (including the restroom).

PHOTO AA: Room 2068 Discovery Room (08-08-15) View of NW lower walls wetted up to one foot and at ceiling down one foot.

PHOTO BB: Room 2096 (08-08-15) View of SW upper wall wetted at ceiling level in corner.

PHOTO CC: Room 2108 (08-08-15) View of hard lid ceiling wetted at sprinkler near entrance.

Approximately 1 square foot.

PHOTO DD: Room 2111 (08-08-15) View of East upper wall at ceiling wetted above door frame.

San Diego, California

PHOTO EE: Stairwell 1 at Floor 2 (08-08-15) View of all walls wetted from floor to ceiling. PHOTO FF: 1st – 2nd Floor Interstitial (08-08-15)

View of wetted plaster walls on west side.

PHOTO GG: 1st – 2nd Floor Interstitial (08-08-15) View of wetted building materials noted on west side.

PHOTO HH: Room 1229 (08-08-15) View of South plaster wall wetted at ceiling down four feet. Approximately 20 linear feet.

PHOTO II: Stairwell 1 at Floor 1 (08-08-15) View of all walls wetted from floor to ceiling.

PHOTO JJ: B134 (08-08-15)

View of all lower walls wetted up to one foot.

Approximately 72 linear feet.

151 Kalmus Drive, Suite F-4 Costa Mesa, CA 92626

San Diego, CA

Limited Moisture Intrusion Investigation

Infrared Camera

IR002276.IS2

8/7/2015 11:34:38 AM

Visible Light Image

IR002277.IS2

8/7/2015 11:41:46 AM

IR002278.IS2

8/7/2015 11:53:49 AM

IR002279.IS2

8/7/2015 12:06:06 PM

IR002280.IS2

8/7/2015 12:24:56 PM

IR002281.IS2

8/7/2015 12:27:56 PM

IR002282.IS2

8/7/2015 1:03:57 PM

IR002283.IS2

8/7/2015 1:23:08 PM

IR002284.IS2

8/7/2015 1:23:40 PM

IR002285.IS2

8/7/2015 1:24:41 PM

IR002286.IS2

8/7/2015 1:25:34 PM

IR002287.IS2

8/7/2015 1:25:45 PM

IR002288.IS2

8/7/2015 1:25:53 PM

IR002289.IS2

8/7/2015 1:28:36 PM

IR002290.IS2

8/7/2015 1:30:41 PM

IR002291.IS2

8/7/2015 1:49:20 PM

IR002292.IS2

8/7/2015 1:59:16 PM

IR002293.IS2

8/8/2015 9:30:50 AM

IR002294.IS2

8/8/2015 9:42:27 AM

IR002295.IS2

8/8/2015 9:46:54 AM

IR002296.IS2

8/8/2015 9:55:52 AM

IR002297.IS2

8/8/2015 9:56:38 AM

IR002298.IS2

8/8/2015 10:32:17 AM

IR002299.IS2

8/8/2015 10:34:30 AM

IR002300.IS2

8/8/2015 10:45:18 AM

IR002301.IS2

8/8/2015 10:46:00 AM

IR002302.IS2

8/8/2015 10:50:07 AM

IR002303.IS2

8/8/2015 10:54:06 AM

IR002304.IS2

8/8/2015 10:56:19 AM

IR002305.IS2

8/8/2015 10:58:27 AM

IR002306.IS2

8/8/2015 11:02:20 AM

IR002307.IS2

8/8/2015 11:12:08 AM

IR002308.IS2

8/8/2015 11:15:25 AM

IR002309.IS2

8/8/2015 11:18:18 AM

IR002310.IS2

8/8/2015 11:37:47 AM

IR002311.IS2

8/8/2015 11:37:54 AM

IR002312.IS2

8/8/2015 11:38:49 AM

IR002313.IS2

8/8/2015 11:39:49 AM

IR002314.IS2

8/8/2015 11:47:18 AM

IR002315.IS2

8/8/2015 12:52:13 PM

IR002316.IS2

8/8/2015 12:58:58 PM

IR002317.IS2

8/8/2015 1:00:00 PM

IR002318.IS2

8/8/2015 1:00:38 PM

Appendix D

!ÉÒ.-ÏÎÉÔÏÒÉÎÇ.$ÁÔÁÌÏÇÓ

Appendix E ,ÁÂÏÒÁÔÏÒÙ.Reports

LA Testing

520 Mission Street South Pasadena, CA 91030

Phone/Fax: (323) 254-9960 / (323) 254-9982 http://www.LATesting.com / pasadenalab@latesting.com

32CITA50D

321516873LA Testing Order ID:

Customer ID:

Customer PO:

Project ID:

Attn:

Proj: VA LA JOLLA

Phone: (714) 547-4301

Fax: (714) 547-4647

Collected: 08/07/2015

Received: 08/10/2015

Analyzed: 08/12/2015

Chris Roberts

Citadel Environmental Services

151 Kalmus Drive

Suite F-4

Costa Mesa, CA 92626

Test Report: Determination of Asbestos Structures ≥ 0.5 µm & > 10µm in Water

Performed by the 100.2 Method (EPA 600/R-94/134)

Sample

Filtration

Date/Time

Sample ID

Client / EMSL

ASBESTOS

Confidence

Limits

ConcentrationAnalytical

Sensitivity

Fibers

Detected

Asbestos

TypesArea

Analyzed

(mm²)

Effective

Filter

Area

(mm²)

Original

Sample Vol.

Filtered

(ml) MFL (million fibers per liter)

AW001

321516873-0001

8/10/2015

01:00 PM

12881 0.2640 <4.90None Detected ND 4.90 0.00 - 18.00 µm

≥ 0.5

4.90ND <4.90 0.00 - 18.00

None Detected > 10 µm only

AW002

321516873-0002

8/10/2015

01:00 PM

12881 0.2640 <4.90None Detected ND 4.90 0.00 - 18.00 µm

≥ 0.5

4.90ND <4.90 0.00 - 18.00

None Detected > 10 µm only

Analytical sensitivity could not be met due to the excessive particulates.

Page 1 of 1Test Report: TEM100.2-7.31.1 Printed: 8/10/2015 04:52PM

Analyst(s)

Jerry Drapala Ph.D, Laboratory Manager or Other Approved SignatoryAny questions please contact Jerry Drapala.

Sample collection and containers provided by the client, acceptable bottle blank level is defined as ≤0.01MFL>10um. ND=None Detected. This report relates only to those items tested. This report may not be reproduced, except in full, without written permission by LA Testing. Samples received in good condition unless otherwise noted.

Samples analyzed by LA Testing South Pasadena, CA CA ELAP 2283

Sherrie Ahmad (2)

Initial report from: 08/10/2015 16:52:52

OrderID: 321516873