Our standard of excellence works for you

"Nobody ever questions us when we submit our accreditations for a project based on procedures, proficiency sampling or lab audits. It gives us a good feeling that every time we do an audit, it will meet the minimum standards that are accepted in the Northeast."

Atlantic Testing Laboratories

Scott McCasland, CWI, Vice President, Quality

50 years of experience
PSP participants
samples shipped per year
laboratory assessments per year
accredited labs

Comparison of AASHTO R 18-10 and ISO/IEC 17025:2005*

Requirements in AASHTO R 18 that are not in ISO/IEC 17025

 Section(s) Description
5.4.2 Biographical sketches
5.4.3 Technical manager requirements
5.5.1, 5.5.2, 5.5.3 Specific requirements for technician training/evaluation program
5.8 Specific intervals for records retention
6.1.1 Equipment inventory list
6.1.2 Specific requirements for equipment calibration / standardization / check
6.1.4 Specific requirements for equipment maintenance

Requirements in ISO/IEC 17025 that are not in AASHTO R 18 or the AAP Procedures Manual

 Section Description
4.2.2 Quality policy statement
4.3 Specific requirements for document control
4.4 Review of requests, tenders and contracts
4.5.4 Register of all subcontractors
4.6 Purchasing
4.7.2 Customer feedback
4.9 Control of nonconforming work
4.10 Improvement
4.11 Specific requirements for corrective action
4.12 Preventive action
4.13 Control of records
4.15 Management review
5.4.6 Measurement uncertainty
5.4.7 Control of data
5.5.8 Equipment labels
5.6 Measurement traceability
5.7 Sampling
5.10.3 Specific requirements for test reports
5.10.5 Opinions and interpretations