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Metals 11192023
LA Testing 5431 Industrial Drive, Huntington Beach, CA 92649 Phone: (714) 828-4999 Fax: (714) 828-4944 Email: hblabMatestinci.com TESTING Attn: Lab Correspondence 11/22/2023 Analytical Consulting Group, Inc. 1746 F South Victoria Avenue Suite 366 Ventura, CA 93003 Phone: (805) 676-0187 Fax: The following analytical report covers the analysis performed on samples submitted to LA Testing on 11/20/2023. The results are tabulated on the attached data pages for the following client designated project: BGI TUSTIN HANGAR FIRE / 11500 The reference number for these samples is EMSL Order #332320137. Please use this reference when calling about these samples. If you have any questions, please do not hesitate to contact me at (714) 828-4999. Approved By: Michael Chapman, Laboratory Manager AIHA LAP, LLC-IHLAP Accredited #101650 Page 1 of 14 LA Testing LA Testing Order: 332320137 CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: APhone/Fax: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Proiect: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-CAl -AA01 -60-MCE Collected. 11/19/2023 Lab ID: 332320137-0001 OCHCA Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0015 0.0015 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.15 0.15 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-LP1-AA01-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0002 TUSTIN LEGACY PARK Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0015 0.0015 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.15 0.15 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 2 of 14 LA Testing Order: 332320137 LA Testing APhone/Fax: CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Project: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-LP1 -AA01 -60-MCE Collected. 11/19/2023 Lab ID: 332320137-0002 TUSTIN LEGACY PARK Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Thallium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-DC1 -AA01 -60-MCE Collected. 11/19/2023 Lab ID: 332320137-0003 THE DISTRICT (COSTCO) Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0015 0.0015 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.15 0.15 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-WR1-AA01-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0004 WR NELSON ELEMENTARY Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0015 0.0015 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 3 of 14 LA Testing LA Testing Order: 332320137 CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: APhone/Fax: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Proiect: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-WRl -AA01 -60-MCE Collected. 11/19/2023 Lab ID: 332320137-0004 WR NELSON ELEMENTARY Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Cadmium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.15 0.15 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-HS1-AA01-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0005 TUSTIN HS Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0015 0.0015 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.15 0.15 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 4 of 14 LA Testing LA Testing Order: 332320137 CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: APhone/Fax: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Proiect: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-HC1 -AA01 -60-MCE Collected. 11/19/2023 Lab ID: 332320137-0006 HICKS CANYON ELEMENTARY Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.074 0.074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0074 0.0074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.074 0.074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0015 0.0015 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0074 0.0074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.15 0.15 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.074 0.074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.074 0.074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0074 0.0074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.074 0.074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.074 0.074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0074 0.0074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.074 0.074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0074 0.0074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.074 0.074 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.074 0.074 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-FS21-AA01-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0007 FIRE STATION 21 Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0015 0.0015 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.15 0.15 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 5 of 14 LA Testing Order: 332320137 LA Testing APhone/Fax: CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Project: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-FS21 -AA01 -60-MCE Collected. 11/19/2023 Lab ID: 332320137-0007 FIRE STATION 21 Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Thallium <0.0075 0.0075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.075 0.075 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-CH1 -AA01 -60-MCE Collected. 11/19/2023 Lab ID: 332320137-0008 CENTURY HS Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0015 0.0015 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.15 0.15 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-FS281-AA01-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0009 FIRE STATION 28 Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0015 0.0015 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 6 of 14 LA Testing LA Testing Order: 332320137 CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: APhone/Fax: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Proiect: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-FS281 -AA01 -60-MCE Collected. 11/19/2023 Lab ID: 332320137-0009 FIRE STATION 28 Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Cadmium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.15 0.15 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-FS61-AA01-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0010 FIRE STATION 6 Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0015 0.0015 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.15 0.15 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0076 0.0076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.076 0.076 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 7 of 14 LA Testing LA Testing Order: 332320137 CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: APhone/Fax: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Proiect: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-CAl-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0011 OCHCA Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0066 0.0066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0013 0.0013 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0066 0.0066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.13 0.13 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0066 0.0066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0066 0.0066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0066 0.0066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-LP1-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0012 TUSTIN LEGACY PARK Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0013 0.0013 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.13 0.13 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 8 of 14 LA Testing Order: 332320137 LA Testing APhone/Fax: CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Project: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-LP1-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0012 TUSTIN LEGACY PARK Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Thallium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-DC1-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0013 THE DISTRICT (COSTCO) Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0013 0.0013 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.13 0.13 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-W R1-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0014 WR NELSON ELEMENTARY Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0066 0.0066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0013 0.0013 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 9 of 14 LA Testing LA Testing Order: 332320137 CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: APhone/Fax: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Proiect: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-W R1-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0014 WR NELSON ELEMENTARY Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Cadmium <0.0066 0.0066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.13 0.13 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0066 0.0066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0066 0.0066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0066 0.0066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.066 0.066 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-HS1-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0015 TUSTIN HS Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0013 0.0013 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.13 0.13 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 10 of 14 LA Testing LA Testing Order: 332320137 CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: APhone/Fax: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Proiect: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-HC1-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0016 HICKS CANYON ELEMENTARY Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0013 0.0013 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.13 0.13 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-FS21 1 -AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0017 FIRE STATION 21 Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0013 0.0013 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.13 0.13 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 11 of 14 LA Testing Order: 332320137 LA Testing APhone/Fax: CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Project: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-FS21 1 -AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0017 FIRE STATION 21 Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Thallium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-CH1-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0018 CENTRUY HS Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.068 0.068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0068 0.0068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.068 0.068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0014 0.0014 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0068 0.0068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.14 0.14 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.068 0.068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.068 0.068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0068 0.0068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.068 0.068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.068 0.068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0068 0.0068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.068 0.068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0068 0.0068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.068 0.068 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.068 0.068 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-FS281-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0019 FIRE STATION 28 Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0013 0.0013 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 12 of 14 LA Testing LA Testing Order: 332320137 CustomerlD: 32ACGP78 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerPO: APhone/Fax: (714) 828-4999 / (714) 828-4944 TESTING http://www.LATestina.com hblaba-latestina.com ProjectlD: Attn: Lab Correspondence Phone: (805) 676-0187 Analytical Consulting Group, Inc. Fax: 1746 F South Victoria Avenue Received: 11/20/2023 04:15 PM Suite 366 Collected: 11/19/2023 Ventura, CA 93003 Proiect: BGI TUSTIN HANGAR FIRE / 11500 Analytical Results Client Sample Description TUS-20231119-FS281-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0019 FIRE STATION 28 Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Cadmium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.13 0.13 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH Client Sample Description TUS-20231119-FS61-AA02-60-MCE Collected. 11/19/2023 Lab ID: 332320137-0020 FIRE STATION 6 Prep Analysis Method Parameter Result RL Units Date & Analyst Date & Analyst METALS 7300 Modified Antimony <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Arsenic <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Barium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Beryllium <0.0013 0.0013 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cadmium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Chromium <0.13 0.13 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Cobalt <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Copper <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Lead <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Molybdenum <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Nickel <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Selenium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Silver <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Thallium <0.0065 0.0065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Vanadium <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH 7300 Modified Zinc <0.065 0.065 pg/m' 11/21/2023 TH 11/22/2023 TH ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 13 of 14 LA Testing LA Testing Order: 332320137 5431 Industrial Drive, Huntington Beach, CA 92649 CustomerlD: 32ACGP78 Phone/Fax: (714) 828-4999 / (714) 828-4944 CustomerPO: TESTING httr)i//www.LATestina.com hblabCa)latestina.com ProjectlD: AIHA LAP, LLC-IHLAP Accredited #101650 Definitions: MDL - method detection limit J - Result was below the reporting limit, but at or above the MDL ND - indicates that the analyte was not detected at the reporting limit RL - Reporting Limit (Analytical) D - Dilution Sample required a dilution which was used to calculate final results ChemSmplw/RDL/NELAC-2.19.0.0 Printed: 11/22/2023 4:16:30 PM Page 14 of 14