Quality Assurance Solutions, LLC offers several areas of services to end-users of environmental testing data such as consulting engineers, Government Entities, private companies using testing laboratories, or publicly held utilities. Quality Assurance Solutions, LLC also serves as a technical and/or quality systems expert for accreditation bodies. These services can be contracted  to support effective programs for using/managing outside laboratory services:      

Data Usability Assessment 
Level I, II, III, and IV and user-defined

Laboratory Performance Auditing 

Electronic Data (Mint Miner®) or Manual Auditing to Assure Data Integrity

Quality Assurance Project Plan (QAPP) or Contract Review/Updating

Quality System Training

Best Practices Training for 
Assessing Data Usability

Technical Writing to Support Your Organization's Mission and Vision 


Quality Assurance Solutions, LLC offers independent consulting support for environmental testing laboratories, both public and privately owned. This firm is owned and operated by Diane Lawver. It provides consulting services to publicly held drinking water laboratories, wastewater treatment facility laboratories, and privately held laboratories in the following areas:

Quality Systems
Development and support is offered by applying best industry practices for implementing the TNI 2016 Standard (Rev 2.1), CA ELAP (California) accreditation requirements under the TNI 2016 Standard (Rev 2.1), ISO:IEC 17025:2005, ISO:IEC 17025:2017, DOD/DOE ELAP (QSM 5.4 or latest) and customer-defined programs. 

Training and document development support for implementation of the TNI 2016 Standard (Rev 2.1) is a specialty for small, municipal laboratories. 
Auditing Services
Quality Assurance Solutions, LLC also offers independent internal audit services to verify alignment with Management System and Technical requirements for the Standards listed above. ​This valuable service allows a laboratory to check its compliance prior to an accreditation audit for certification. 

Customized for your Laboratory's needs. Contact Hours are available for drinking water (State Water Resources Control Board) and wastewater (CWEA)

Strategic Planning/Positioning
Laboratory and Field Operations

"Rapid Response"
As-needed Technical and Quality Systems support that is unmatched in the industry 

Please use the "Contact Us" page to receive a Statement of Qualifications, Firm Registrations, List of Services, Quotation, or to schedule a 
confidential meeting to discuss your organization's quality system needs.



Quality Assurance Solutions, LLC is a valuable partner in meeting diversity requirements under government-funded projects. 

This firm is registered under the following programs:          
 California Small Business Enterprise 

California State Minority-Owned 
Business Enterprise 

 California State Woman-Owned 
Business Enterprise 

California Public Utilities Commission (CPUC)

Woman/Minority Business Enterprise (WMBE)


 Additional programs for which this firm is  qualified can be pursued upon request.