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Registers collected 2026-08-22.See collection dates
ISO/IEC 17025 directory

ISO 8655 Accredited Testing Labs in United States

7 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform ISO 8655 testing. From the accredited scope text: “ISO 8655-6, 6 place balance Gravimetric method ISO 8655-6, 5 place balance ______________________________________________ 1 This laboratory offers commercial calibration, and field calibration service” “ISO 8655 gravimetric method using electronic balance” “ISO 8655 & ASTM E1154 Balances & Scales3 (1 to 1000) mg (>1 to 1000) g (>1000 to 10 000) g 0.26 % + 0.0047 mg 0.019 % + 0.04 g 0.019 % + 0.19 g ASTM E898-20 Hand Torque Tools (0.4 to 20) lbf∙in (5 to” “ISO 8655-6 Volume Determination/ Gravimetric 4 (0.1 to 1) µL (>1 to 100) µL (>100 to 700) µL (>700 to 1999) µL (>1999 to 5000) µL 0.0046 µL 0.0047 µL 0.0082 µL 0.048 µL 0.062 µL ASTM E1154 or ISO 8655”

Labs
7
Primary AB
A2LA7 labs

Accredited Labs

Valley Calibration Services

Union city, CA, US

Scope

ISO 8655 & ASTM E1154 Balances & Scales3 (1 to 1000) mg (>1 to 1000) g (>1000 to 10 000) g 0.26 % + 0.0047 mg 0.019 % + 0.04 g 0.019 % + 0.19 g ASTM E898-20 Hand Torque Tools (0.4 to 20) lbf∙in (5 to 10

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INSCO, Instrumentation Services

San Juan, PR, US

Scope

ISO 8655-6, gravimetric method

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Molecular BioProducts d.b.a Unity Lab Services

Tewksbury, MA, US

Scope

SCOPE OF ACCREDITATION TO ISO/IEC 17025-2017 MOLECULAR BIOPRODUCTS D.B.A. UNITY LAB SERVICES 2 Radcliff Road, Suite 1 Tewksbury, MA 01876 Cesar Araujo Phone: 978 667 5878 CALIBRATION Valid To: June 30, 202

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Trescal, Inc. - Miami, FL

Boca Raton, FL, US

Scope

ISO 8655 gravimetric method using electronic balance

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Artel Laboratory

Westbrook, ME, US

Scope

SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ADVANCED INSTRUMENTS ARTEL LABORATORY 25 Bradley Drive Westbrook, ME 04092 Doreen Rumery Phone: 888 406 3463 CALIBRATION Valid To: January 31, 2026 Certificate Num

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PharmaMatrix, LLC dba Applied Calibration Services

Wilson, NC, US

Scope

ISO 8655 IV. Thermodynamics Parameter/Equipment Range CMC2, 5 (±) Comments Temperature – Measure3 (-80 to 0) °C 0.01 °C (TPW) (0 to 250) °C (250 to 450) °C (500 to 1000) °C (> 1000 to 1450) °C 0.046

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Molecular BioProducts d.b.a. Unity Lab Services

San Diego, CA, US

Scope

SCOPE OF ACCREDITATION TO ISO/IEC 17025-2017 & ANSI/NCSL Z540-1-1994 & ANSI/NCSL Z540.3-2006 MOLECULAR BIOPRODUCTS D.B.A. UNITY LAB SERVICES 5781 Van Allen Way Carlsbad, CA 92008 Kayla Moehlenpah Phone: 760 450 8221

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About ISO/IEC 17025 in United States

American Association for Laboratory Accreditation (A2LA) is the primary accreditation body issuing ISO/IEC 17025 accreditation for testing laboratories in United States.

ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.

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