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LA Testing Order:332320226
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:11/22/2023 09:40 AM
North Little Rock, AR 72118 Analysis Date:11/22/2023
Collected Date:11/21/2023
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
TUCA1121AS001A 11/21/2023 1300.2 <5.5 100 0.0021 <7.01 <0.0021AS001A
332320226-0001
TUCA1121AS002A 11/21/2023 1262.6 <5.5 100 0.0021 <7.01 <0.0021AS002A
332320226-0002
TUCA1121AS003A 11/21/2023 1275.2 <5.5 100 0.0021 <7.01 <0.0021AS003A
332320226-0003
TUCA1121AS004A 11/21/2023 1290.1 <5.5 100 0.0021 <7.01 <0.0021AS004A
332320226-0004
TUCA1121AS008A 11/21/2023 1357.6 <5.5 100 0.0020 <7.01 <0.0020AS008A
332320226-0005
TUCA1121AS009A 11/21/2023 1339.95 <5.5 100 0.0020 <7.01 <0.0020AS009A
332320226-0006
TUCA1121AS010A 11/21/2023 1374.7 <5.5 100 0.0020 <7.01 <0.0020AS010A
332320226-0007
TUCA1121ASFB001A 11/21/2023 <5.5 100 <7.01 Field BlankASFB001A
332320226-0008
The results reported have been blank corrected as applicable.
Michael Chapman, Laboratory Manager
or other Approved Signatory
Analyst(s):
Tony Salgado PCM 8
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: 11/22/2023 12:18 PM
Printed: 11/22/2023 12:18 PM ASB_PCM_NoSig_0003_0001 Page 1 of 1