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5431 Industrial Drive Huntington Beach, CA 92649
Tel/Fax: (714) 828-4999 / (714) 828-4944
http://www.LATesting.com / hblab@latesting.com
LA Testing Order:332320330
Customer ID:CTEH99
Customer PO:
Project ID:PROJ-032229
Attention:Noah Ambos Phone:(501) 454-1622
CTEH Center for Toxicology & Env. Health Fax:(501) 614-2835
5120 North Shore Drive Received Date:11/24/2023 09:45 AM
North Little Rock, AR 72118 Analysis Date:11/24/2023
Collected Date:11/22/2023
Project:PROJ-032229 (PROJ-032229)
Test Report: Fiber Count by Phase Contrast Microscopy (PCM), NIOSH 7400 Method - A Rules,
Revision 3, Issue 3, 6/15/2019
Sample Location Sample Date Volume (L)Fibers Fields
LOD
(fib/cc)Fibers/mm²Fibers/cc Notes
TUCA1122AS001B 11/22/2023 1428.8 <5.5 100 0.0019 <7.01 <0.0019
332320330-0001
TUCA1122AS002B 11/22/2023 1436.3 <5.5 100 0.0019 <7.01 <0.0019
332320330-0002
TUCA1122AS003B 11/22/2023 1430.2 <5.5 100 0.0019 <7.01 <0.0019
332320330-0003
TUCA1122AS004B 11/22/2023 1429 <5.5 100 0.0019 <7.01 <0.0019
332320330-0004
TUCA1122AS005B 11/22/2023 1431.9 <5.5 100 0.0019 <7.01 <0.0019
332320330-0005
TUCA1122AS006B 11/22/2023 1435.6 <5.5 100 0.0019 <7.01 <0.0019
332320330-0006
TUCA1122AS007B 11/22/2023 1439.8 <5.5 100 0.0019 <7.01 <0.0019
332320330-0007
TUCA1122AS008B 11/22/2023 1435.2 <5.5 100 0.0019 <7.01 <0.0019
332320330-0008
TUCA1122AS009B 11/22/2023 1426.1 <5.5 100 0.0019 <7.01 <0.0019
332320330-0009
TUCA1122AS010B 11/22/2023 1440.6 <5.5 100 0.0019 <7.01 <0.0019
332320330-0010
TUCA1122ASFB001B 11/22/2023 <5.5 100 <7.01 Field Blank
332320330-0011
The results reported have been blank corrected as applicable.
Michael Chapman, Laboratory Manager
or other Approved Signatory
Analyst(s):
Tony Salgado PCM 11
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. Limit of
detection is 7 fibers/mm². Fiber counts outside the recommended fiber density range of the method (100-1300 f/mm²) have greater than optimal variability and are probably biased. Field blank results, when available, are
used to blank correct results. NIOSH 7400 requires field blanks be submitted at a rate of 10%, with a minimum of 2 per set. Measurement of uncertainty available upon request. The results in this report meet all
requirements of the NELAC standards unless otherwise noted. Intra-laboratory Sr values: 5-20 fibers = 0.28, 21-50 fibers = 0.25, 51-100 fibers = 0.2. Inter-laboratory Sr values (Average of EMSL round robin data) = 0.35.
Samples analyzed by LA Testing Huntington Beach, CA AIHA LAP, LLC-IHLAP Accredited #101650
Initial report from: 11/24/2023 02:09 PM
Printed: 11/24/2023 02:09 PM ASB_PCM_NoSig_0003_0001 Page 1 of 1