Quality Assurance Solutions, LLC was founded in October 1999 by Ms. Diane Lawver and is located in Northern California.  The founder of Quality Assurance Solutions, LLC brings over 35 years of environmental testing laboratory experience to each and every project. 

  Ms. Lawver has formerly held positions as a GC/MS and GC Chemist, Project Manager, Quality Assurance Officer, Laboratory Director, Regional Mobile Laboratory Manager, and Executive Vice President. She has worked for both privately held laboratories and a drinking water public utility. Her experience extends from supporting start up laboratories, managing large laboratories, and working for the largest environmental testing laboratory networks. Outside of environmental testing, Ms. Lawver has experience in applying ISO/IEC 17025:2017(E) for DoD ELAP and DOECAP-AP.

   Please request a copy of the List of Services using the "Contact Us" page.

The owner of Quality Assurance Solutions, LLC holds a B.S. Degree in Environmental Toxicology and a B.S. Degree in Biochemistry from U.C. Davis. Ms. Lawver holds a Masters Degree in Business Administration from Golden Gate University (GGU). 

The owner was awarded the "Quality Assurance Person of the Year" from  the California Water Environment Association (CWEA) in 1997 and is a "Crystal Crucible" recipient for promoting professionalism and leadership in CWEA.

Ms. Lawver holds professional memberships with the American Waterworks Association (AWWA - 1985 to present), Water Environment Federation (WEF - 1989 to present), California Water Environment Association (CWEA - 1989 to present), and  the American Chemical Society (ACS) since 2003.



Ms. Lawver is a recognized expert in analytical testing requirements under the Safe Drinking Water Act (SDWA), Clean Water Act (CWA), and Resource Conservation and Recovery Act (RCRA). 

Ms. Lawver's expertise extends to supporting regulations and best available practices for compliance using published testing methodology.  

She was formerly an Assessor from 2007-2015 for the American Association for Laboratory Accreditation (A2LA) in support of the NELAC 2003 and TNI 2009 Standards, DOD/DOE ELAP QSM 5.3 program, Environmental Lead (Pb) under LQST Rev.3, and the ISO:IEC 17025:2005 Standard.  

Quality Assurance Solutions, LLC supports local laboratories of all sizes who seek or are renewing California ELAP accreditation under the current program or under the planned TNI 2016 Standard (Rev 2.1).  

Ms. Lawver has significant project experience for  EPA's Drinking Water Contaminant Warning System program. Her expertise is in developing strategies for rapid response testing in the laboratory.​