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Home My WebLink AboutPCM 12212023LA Testing 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:332321842 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:12/22/2023 09:45 AM North Little Rock, AR 72118 Analysis Date:12/22/2023 Collected Date:12/21/2023 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 TUCA1221AS001A 12/21/2023 1074.9 <5.5 100 0.0025 <7.01 <0.0025 332321842-0001 TUCA1221AS002A 12/21/2023 1067.1 <5.5 100 0.0025 <7.01 <0.0025 332321842-0002 TUCA1221AS003A 12/21/2023 1059.8 <5.5 100 0.0025 <7.01 <0.0025 332321842-0003 TUCA1221AS004A 12/21/2023 1030.1 <5.5 100 0.0026 <7.01 <0.0026 332321842-0004 TUCA1221AS005A 12/21/2023 1061.5 <5.5 100 0.0025 <7.01 <0.0025 332321842-0005 TUCA1221AS007A 12/21/2023 989.2 <5.5 100 0.0027 <7.01 <0.0027 332321842-0006 TUCA1221AS008A 12/21/2023 1071 <5.5 100 0.0025 <7.01 <0.0025 332321842-0007 TUCA1221AS009A 12/21/2023 1063.5 <5.5 100 0.0025 <7.01 <0.0025 332321842-0008 TUCA1221AS010A 12/21/2023 1037.8 <5.5 100 0.0026 <7.01 <0.0026 332321842-0009 TUCA1221AS013A 12/21/2023 911.2 <5.5 100 0.0030 <7.01 <0.0030 332321842-0010 TUCA1221AS014A 12/21/2023 627.3 <5.5 100 0.0043 <7.01 <0.0043 332321842-0011 TUCA1221AS015A 12/21/2023 1053.8 <5.5 100 0.0026 <7.01 <0.0026 332321842-0012 TUCA1221AS017A 12/21/2023 977.9 <5.5 100 0.0028 <7.01 <0.0028 332321842-0013 TUCA1221AS018A 12/21/2023 1033.5 <5.5 100 0.0026 <7.01 <0.0026 332321842-0014 TUCA1221AS019A 12/21/2023 1017.9 <5.5 100 0.0026 <7.01 <0.0026 332321842-0015 TUCA1221AS021A 12/21/2023 1039.1 <5.5 100 0.0026 <7.01 <0.0026 332321842-0016 TUCA1221ASFB001A 12/21/2023 <5.5 100 <7.01 Field Blank 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: 12/22/2023 03:49 PM Printed: 12/22/2023 03:49 PM ASB_PCM_NoSig_0003_0001 Page 1 of 2 LA Testing 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:332321842 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:12/22/2023 09:45 AM North Little Rock, AR 72118 Analysis Date:12/22/2023 Collected Date:12/21/2023 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 332321842-0017 TUCA1221AS001B 12/21/2023 1024.2 <5.5 100 0.0026 <7.01 <0.0026 332321842-0018 TUCA1221AS002B 12/21/2023 1047.2 <5.5 100 0.0026 <7.01 <0.0026 332321842-0019 TUCA1221AS003B 12/21/2023 1028.6 <5.5 100 0.0026 <7.01 <0.0026 332321842-0020 TUCA1221AS004B 12/21/2023 1035.4 <5.5 100 0.0026 <7.01 <0.0026 332321842-0021 TUCA1221AS005B 12/21/2023 820.8 <5.5 100 0.0033 <7.01 <0.0033 332321842-0022 TUCA1221AS006B 12/21/2023 1010.5 <5.5 100 0.0027 <7.01 <0.0027 332321842-0023 TUCA1221AS007B 12/21/2023 1004 <5.5 100 0.0027 <7.01 <0.0027 332321842-0024 TUCA1221AS008B 12/21/2023 1012.3 <5.5 100 0.0027 <7.01 <0.0027 332321842-0025 TUCA1221AS009B 12/21/2023 990.7 <5.5 100 0.0027 <7.01 <0.0027 332321842-0026 TUCA1221AS010B 12/21/2023 945.5 <5.5 100 0.0029 <7.01 <0.0029 332321842-0027 TUCA1221ASFB001B 12/21/2023 <5.5 100 <7.01 Field Blank 332321842-0028 The results reported have been blank corrected as applicable. Michael Chapman, Laboratory Manager or other Approved Signatory Analyst(s): Alexis Rodriguez PCM 28 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: 12/22/2023 03:49 PM Printed: 12/22/2023 03:49 PM ASB_PCM_NoSig_0003_0001 Page 2 of 2