ASTM E18 Accredited Testing Labs in United States

Page 155 of 205 (A2LA Cert. No. 2348.01) Revised 03/04/2026 Parameter/Equipment Range CMC2, 5 (±) Comments Indirect Verification of Rockwell Hardness Testers 3 (cont) HR15TW: Low Mid High HR30N: Low Mid High

(A2LA Cert. No. 1560.01) 10/09/2025 Page 3 of 4 II. Mechanical Parameter/Equipment Range CMC2, 4, 5 (±) Comments Indirect Verification of Rockwell Hardness Testers3 HRC: Low Medium High H

Page 117 of 205 (A2LA Cert. No. 2348.01) Revised 03/04/2026 Parameter/Equipment Range CMC2 (±) Comment Location10 Torque Analyzers (1 to 20) ozf-in (20 to 100) ozf-in (4 to 150) lbf-in (12.5 to 250) lbf-ft Up to 200 ozf-in

(A2LA Cert. No. 1593.01) 01/08/2024 Page 3 of 5 Parameter/Equipment Range CMC2 () Comments Optical Comparators – Linearity Magnification Angle Up to 12 in 10x to 100x 30°, 45°, 60°, 90° 290 in

(A2LA Cert. No. 4464.01) 01/27/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ARISTA MATERIALS & CONSULTING, LLC. 3621 Bacor Rd. Houston, TX 77084 Ms. Lisette Da Costa Phone: (281) 492-0

(A2LA Cert. No. 1741.08) 06/18/2025 Page 17 of 20 Parameter/Equipment Range CMC2 (±) Comments Indirect Verification of Rockwell Hardness Testers3 HRA: (20 to 65) (70 to 78

Page 155 of 205 (A2LA Cert. No. 2348.01) Revised 03/04/2026 Parameter/Equipment Range CMC2, 5 (±) Comments Indirect Verification of Rockwell Hardness Testers 3 (cont) HR15TW: Low Mid High HR30N: Low Mid High

(A2LA Cert. No. 866.01) 9/30/2024 Page 8 of 11 Parameter/Equipment Range CMC2, 4, 5 (±) Comments Hardness Testers3 – Rockwell (cont) HR15YW: Low High HR15TS: (74 to 80) HR15TS (8

Page 154 of 205 (A2LA Cert. No. 2348.01) Revised 03/04/2026 Parameter/Equipment Range CMC2, 8 (±) Comments Pipettes ≤ 1 µL ≤ 10 µL ≤ 100 µL ≤ 1000 µL ≤ 5 mL ≤ 10 mL 0.007 µL 0.00

(A2LA Cert. No. 1945.01) 12/18/2024 Page 3 of 3 Parameter Range CMC2 (±) Comments Indirect Verification of Rockwell Hardness Testers3 (cont) HR30TW: High Medium Low HR15N: High Medium

(A2LA Cert. No. 1277.01) Revised 07/16/2025 Page 22 of 24 Parameter/Equipment Range CMC2, 4, 10 (±) Comments Rockwell Hardness3 – Indirect Verification of Superficial Hardness Testers HRA: Low Medium High

Page 188 of 205 (A2LA Cert. No. 2348.01) Revised 03/04/2026 Parameter/Equipment Range CMC2 Comments Indirect Verification of Rockwell Hardness Testers3 (170 to 960) HLD HRA (20 to 70) (70.01 to 79) (79.01 t

(A2LA Cert. No. 1741.13) Revised 01/27/2025 Page 22 of 26 Parameter/Equipment Range CMC2 (±) Comments Indirect Verification of Rockwell Hardness Testers3 (cont) HR15N: Low Medium High HR30N: Low Med

(A2LA Cert. No. 4699.01) 12/15/2025 Page 6 of 9 Parameter/Equipment Range CMC2, 4, 7 (±) Comments Indirect Verification of Rockwell Hardness Testers3 HRA: Low Medium High HRBW: Low

(A2LA Cert. No. 3884.01) Revised 01/15/2026 Page 26 of 36 Parameter/Equipment Range CMC2, 4 (±) Comments Force Gauge/Tension Gauge3 (Digital, Analog) (cont) (>100 to 200) g (>200 to 500) g >500 g to 1 kg (>1 to

(A2LA Cert. No. 1625.01) Revised 07/08/2025 Page 34 of 45 Parameter/Equipment Range CMC2, 5, 10 (±) Comments Indirect Verification of Rockwell Hardness Testers3 (cont) HR45T: Low Medium High 1.3 HR45T 1.3

(A2LA Cert. No. 2806.01) 11/19/2025 Page 29 of 36 Parameter/Equipment Range CMC2 () Comments11 Indirect Verification of Rockwell Hardness Testers 3 HRA: Low Medium High HRBW: Low Med

(A2LA Cert. No. 2290.01) 08/18/2025 Page 4 of 4 Parameter/Equipment Range CMC2 (±) Comments Indirect Verification of Rockwell Hardness and Rockwell Superficial Hardness Testers3 HRBW: Low Med High HRC: Low Med

(A2LA Cert. No. 2904.01) 01/21/2026 Page 11 of 13 Parameter/Equipment Range CMC2, 5, 8 (±) Comments Indirect Verification of Hardness Testers3 HRBW: Low Medium High HRC: Low Medium Hig

(A2LA Cert. No. 1741.17) 05/22/2024 Page 17 of 19 Parameter/Equipment Range CMC2, 11 (±) Comments Indirect Verification of Rockwell Hardness Testers3,10 HRC: Low Medium High HRBW: Low Medium High HR15TW: Low Me

Page 119 of 205 (A2LA Cert. No. 2348.01) Revised 03/04/2026 Parameter/Equipment Range CMC2 (±) Comment Location10 Rockwell Hardness Testers3 (cont) HRA (20 to 65) HRA (70 to 78) HRA (80 to 84) HRA HRBW < 60 HRBW (≥ 60 to <

(A2LA Cert. No. 1888.09) 10/31/2025 Page 14 of 17 Parameter/Equipment Range CMC2, 5 (±) Comments RPM 3 – Measure (6 to 8300) RPM (8300 to 99 999) RPM 0.02 % + 0.1 RPM 0.02 % + 1.0 RPM Laser tachometer Scal

(A2LA Cert. No. 1570.01) 01/10/2025 Page 21 of 23 V. Thermodynamics Parameter/Equipment Range CMC2, 11 (±) Comments Temperature – Measure3 (-196 to 420) °C 0.022 °C PRT w/indicator Temperature – M

(A2LA Cert. No. 2516.01) Revised 2/13/2026 Page 54 of 59 Parameter/Equipment Range CMC2, 4, 7, 13 (±) Comments Pressure3, 8 – Measure/Measuring Equipment Pneumatic Hydraulic Up to ±5 inH

(A2LA Cert. No. 0462.01) 10/14/2024 Page 17 of 20 Parameter/Equipment Range CMC2 (±) Comments Indirect Verification of Rockwell & Rockwell Superficial Hardness Testers3 (cont) HR15TW: Low Medium High

(A2LA Cert. No. 1505.01) 03/20/2024 Page 3 of 3 Parameter/Equipment Range CMC2 (±) Comments NPT Thread Plug Gage PD Up to 3 in dia (4 to 80) TPI 100 µin Gage block, bench mic, thread wires, & sine block II.

(A2LA Cert. No. 1354.01) Revised 01/23/2025 Page 5 of 8 Parameter/Equipment Range CMC2, 4 (±) Comments Indirect Verification of Rockwell Hardness Testers & Rockwell Superficial Hardness 3 (cont) HR30TW: Low Midd

(A2LA Cert. No. 1888.11) Revised 11/19/2025 Page 24 of 33 Parameter/Equipment Range CMC2 (±) Comments Rockwell Hardness & Superficial Hardness Testers 3 (20 to 65) HRA (70 to 78) HRA (

(A2LA Cert. No. 1036.01) 09/30/2024 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BRUNNER MANUFACTURING, INC. 405 Elroy St. Elroy, WI 53929 Sue Tway Phone

Page 155 of 205 (A2LA Cert. No. 2348.01) Revised 03/04/2026 Parameter/Equipment Range CMC2, 5 (±) Comments Indirect Verification of Rockwell Hardness Testers 3 (cont) HR15TW: Low Mid High HR30N: Low Mid High

(A2LA Cert. No. 1032.01) Revised 12/03/2024 Page 5 of 6 Parameter/Equipment Range CMC2 (±) Comments Drill Screw Testers – Time End Load Speed Up to 100 s Up to 50 lbf Up to 4000 RPM 0.27 s 0.57

(A2LA Cert. No. 0462.02) Revision 4/09/2025 Page 18 of 20 Parameter/Equipment Range CMC2 (±) Comments Indirect Verification of Rockwell & Rockwell Superficial Hardness Testers3 –

(A2LA Cert. No. 1025.01) 09/13/2024 Page 1 of 3 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 JINGFONG FASTENERS TESTING LABORATORY No. 628, Sec. 1, Guanxin Rd. Guanmiao Dist., Tainan City Taiwan, Republic of China Tom Chen

(A2LA Cert. No. 6310.01) 08/01/2025 Page 1 of 3 SCOPE OF ACCREDITATION TO ISO/IEC 17025:20171 QST INTERNATIONAL CO, LTD. TESTING LABORATORY No. 616 Sec. 1 Zhong Zheng Road Rende District Tainan City, Republic o

(A2LA Cert. No. 1332.01) 05/20/2025 Page 15 of 19 VIII. Mechanical Parameter/Equipment Range CMC2, 7 (±) Comments Accelerometer (10 to 99) Hz 100 Hz (101 to 920) Hz (921 to 5000) Hz (5001 to 10 000) Hz 3 % 3

(A2LA Cert. No. 1848.01) Revised 09/11/2025 Page 14 of 21 Parameter/Equipment Range CMC2 (±) Comments Indirect Verification of Rockwell Hardness Testers3 (80 to 84) HRA (70 to 78) HRA (20 to 65) HRA (80 to 100)

(A2LA Cert. No. 2044.05) 09/03/2025 Page 19 of 23 Parameter/Equipment Range CMC2 (±) Comments Rockwell & Superficial Hardness Testers3 HRA HRBW HRC HR15N HR30N

(A2LA Cert. No. 1078.01) Revised 2/20/2026 Page 57 of 63 Parameter/Equipment Range CMC2 (±) Comments Indirect Verification of Rockwell Hardness & Rockwell Superficial Hardness Testers3

(A2LA Cert. No. 1741.18) Revised 01/23/2026 Page 15 of 18 Parameter/Equipment Range CMC2, 8, 10 (±) Comments Indirect Verification of Rockwell Har

(A2LA Cert. No. 3692.02) 11/17/2025 Page 12 of 14 Parameter/Equipment Range CMC2 (±) Comments Indirect Verification of Rockwell Hardness3 HRBW Low Medium

(A2LA Cert. No. 1741.11) 09/05/2025 Page 16 of 18 Parameter/Equipment Range CMC2, 4 (±) Comments Indirect Verification of Rockwell Hardness Testers3 HRA: Low Med

(A2LA Cert. No. 1888.08) 11/07/2025 Page 15 of 17 Parameter/Equipment Range CMC2 (±) Comments Indirect Verification of Rockwell Hardness & Rockwell Superficial Hardness Tester 3 (cont) HR30N: Low Medium

(A2LA Cert. No. 1672.01) 06/12/2025 Page 6 of 7 Parameter/Equipment Range CMC2, 4 (±) Comments Thread Wires 60° (4 to 80) TPI (0.25 to 6.0) mm 13 µin 0.33 µm Universal SupermicrometerTM, master cylin

Page 154 of 205 (A2LA Cert. No. 2348.01) Revised 03/04/2026 Parameter/Equipment Range CMC2, 8 (±) Comments Pipettes ≤ 1 µL ≤ 10 µL ≤ 100 µL ≤ 1000 µL ≤ 5 mL ≤ 10 mL 0.007 µL 0.00

(A2LA Cert. No. 3601.06) Revised 03/02/2026 Page 4 of 6 Parameter/Equipment Range CMC 2 (±) Comments Balances3 Up to 200 g Up to 1000 g Up to 10 000 g 0.94 mg 6.8 mg 19 mg Class 1 weight

(A2LA Cert. No. 7128.01) 05/06/2024 Page 3 of 4 Parameter/Equipment Range CMC2 () Comments Indirect Verification of Rockwell Hardness Testers 3 HRA: Low Medium High HRBW: Low Medium High HRC:

(A2LA Cert. No. 1995.01) 11/20/2024 Page 17 of 20 Parameter/Equipment Range CMC2 (±) Comments Conventional Mass 1 mg to 10 g (10 to 50) g (50 to 100) g (100 to 200) g (200 to 350) g (350 to 500) g (500 to 1000) g

(A2LA Cert. No. 1166.01) 10/17/2025 Page 23 of 26 Parameter/Equipment Range CMC2 (±) Comments Indirect Verification of Rockwell Hardness Testers3 HRBW: (40 to 59) HRBW (60 to 79) HRBW (80 to 100) HRBW HRC

(A2LA Cert. No. 214.55) 12/11/2024 Page 2 of 4 Test Description: Test Standard(s)/Method(s): Ballistics (continued) Purchase Description Transparent Armor ATPD 2352T (Except 3.3.6, 4.6.1) V50 Ballistic Test for Armor MIL-STD-662F

(A2LA Cert. No. 0878.01) 04/22/2024 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 MATERIALS TECHNOLOGY, INC. 213 Lyon Lane Birmingham, AL 35211 Jessica Fortner Phone: 205 940 9480 MECHANICAL Valid To: