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5431 Industrial Drive Huntington Beach, CA 92649
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LA Testing Order:332517246
Customer ID:32KLEF62
Customer PO:PO24003828
Project ID:
Attention:Jake Lippman Phone:(858) 320-2260
Kleinfelder Fax:(858) 320-2001
770 First Street, Suite 400 Received Date:06/20/2025 13:00 PM
San Diego, CA 92101 Analysis Date:06/25/2025
Collected Date:06/19/2025
TUSTIN HANGAR 1 - DEMOLITION AND DEBRIS REMOVALProject:
Test Report: Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by
EPA 40 CFR Part 763 Appendix A to Subpart E
Sample Location
Asbestos
Concentration
(S/cc)(S/mm²)
Analytical
Sensitivity
(S/cc)≥5μ≥0.5μ < 5μ
#StructuresAsbestos
Type(s)
Non
Asb
Area
Analyzed
(mm²)
Volume
(Liters)
MCAS-H1A-DU2
0-061925
DU20 (COLUMBUS
SQUARE) - DU20
(COLUMBUS SQUARE)
7230.00 0.0496 0 None Detected 0 0 0.0011 <20.00 <0.0011
332517246-0001
MCAS-H1A-DU2
0-061925-FB
FIELD BLANK - FIELD
BLANK
0.00 0.1240 0 None Detected 0 0 N/A <8.10 N/A
332517246-0002
Analyst(s)
Thanh Nguyen (2)Michael Chapman, Laboratory Manager
or other approved signatory
LA Testing maintains liability limited to cost of analysis. Interpretation and use of test results are the responsibility of the client. This report relates only to the samples reported above, and may not be
reproduced, except in full, without written approval by LA Testing. LA Testing bears no responsibility for sample collection activities or analytical method limitations. The report reflects the samples as
received. Results are generated from the field sampling data (sampling volumes and areas, locations, etc.) provided by the client on the Chain of Custody. Samples are within quality control criteria
and met method specifications unless otherwise noted. This report must not be used to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the federal government.
Results reported in structures/cm3 are not covered by the laboratory's NVLAP accreditation. Measurement of uncertainty available upon request.
Samples analyzed by LA Testing Huntington Beach, CA NVLAP Lab Code 101384-0
Initial report from: 06/25/2025 11:30 AM
ASB_TEMAHERA_0004_0001 Printed: 6/25/2025 11:30:40AM Page 1 of 1