CERTIFICATION/ACCREDITATION TOOLBOX
Regulations
- 1VAC30-41 Table of Contents
- 1VAC30-41
- 1VAC30-45 Table of Contents
- 1VAC30-45
- 1VAC30-46 Table of Contents
- 1VAC30-46
Technical Assistance Documents
- Internal Audit Tool: Chapter 45 Records Review List
- Internal Audit Tool: Chapter 46 Records Review List
- Procedures for Ensuring Traceability of Measurements (Updated 10/28/2016)
- Effective Corrective Action (Updated 7/28/2016)
- Repeat Findings: Potential Impact on Certification or Accreditation Status (Updated 7/28/2016)
- Standard Methods Naming Format Technical Assistance Document (4/15/13)
- Distillation Variance Application Procedure (3/24/2014)
- Distillation Variance Application Form [pdf] (3/24/2014)
- Distillation Variance Application Form [word] (3/24/2014)
- Citations for common findings - Chapter 45
- Citations for common findings - Chapter 46
- Procedures for Ensuring Defensibility of Manual Integrations (11/30/2016)
- Using Statistical Control Limits and Control Charts
- Initial Demonstration of Capability under 1VAC30-46
- Records of Temperature Monitoring
Frequently Asked Questions
- Program and Application Process: Frequently Asked Questions
- Proficiency Testing
- Information and Fees for Adding Fields of Certification
- Frequently Asked Questions: Performance-Based and Fixed Limits for Laboratory Quality Control (6/22/2015)
Notices
- Information Notice Concerning Drinking Water Certification and 1VAC30-46 (Revised 7/28/16)
- Information Notice Concerning Certification of Laboratories Testing for Laboratories Performing Cryptosporidium under 1VAC30-41 (Revised 6/24/14)
- Immediate Analysis Testing for VPDES and VPA Compliance (04/12/12)
- Drinking Water Proficiency Test Requirements Under 1VAC30-46 (Revised 7/28/16)
- Payment Portal Announcement
- PFAS Accreditation
- Notice Concerning Change in Laboratory Ownership
- Notice of Certification Period Adjustment, 2025-2026
Guidance Documents
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Chapter 46 Quality Control Requirements for Testing Done By Standard Methods (03/13/13)
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Reapplication for Certification or Accreditation (7/28/2016)
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Certification of Laboratories Testing for Cryptosporidium under 1VAC30-41 (6/24/2014)
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Performance-Based and Fixed Limits for Laboratory Quality Control (6/22/2015)
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Applicability of Materials Specification Testing for Air Quality Compliance
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1VAC30-45 and 1VAC30-46 Applicability of Geotechnical and Engineering Testing
Regulatory Updates - 2022
Noncommercial Labs (1VAC30-45 / Chapter 45)
- 1VAC30-45 Regulation, Effective April 1, 2022
- Notice of Revision to 1VAC30-45
- Technical Assistance Document for Revised 1VAC30-45
- Proficiency Testing Frequently Asked Questions
- Link for TNI Fields of Proficiency Testing (FoPT) Tables
Commercial Labs (1VAC30-46 / Chapter 46 / TNI 2016 Standard)
- 1VAC30-46 Regulation, Effective April 1, 2022
- Notice of Revision to 1VAC30-46
- Technical Assistance Document for Revised 1VAC30-46
- Proficiency Testing Frequently Asked Questions
- Link for TNI Fields of Proficiency Testing (FoPT) Tables
- Link for Purchase of TNI 2016 Standard Volume 1
- Link for Download of Quality Systems Checklist for TNI 2016 Standard Vol 1 (after Vol 1 purchase)
MDL - Method Detection Limit
- EPA Document: Definition and Procedure for the Determination of the Method Detection Limit (MDL), Revision 2
- EPA Document: MDL Frequent Questions
- The NELAC Institute (TNI) Training Webinar on The New MDL Procedure
- MDL Procedure Checklist
- MDL Data Collection Template Example (7 samples)
- Student’s t table with calculator for values >100 [xlsx]
Methods Update Rule (MUR) 2021
- MUR 2021 Notice to Laboratories
- MUR 2021 Technical Assistance Document
- MUR 2021 Methods List
- MUR 2021 Early Transition Change In Scope Request Form [.docx] [.pdf]
Methods Update Rule (MUR) 2023
- MUR 2023 Preliminary Information Notice
- MUR 2023 Method Cross Reference Chart
- MUR 2021 and MUR 2023 Implementation Date Notice
- Information on Standard Methods Naming
Corrective Action
- Effective Corrective Action Technical Assistance Document
- Repeat Findings: Potential Impact on Certification or Accreditation Status
- Corrective Action Form [pdf]
- Corrective Action Form [word]
- On-Site Assessment Corrective Action Plan (CAP) Form #6984 [pdf]
- On-Site Assessment Corrective Action Plan (CAP) Form #6984 [word]
- SAMPLE On-Site Assessment Corrective Action Plan (CAP) Form #6984
Change in Scope
- Information and Fees for Adding Fields of Certification
- Change In Scope Form #6972 [pdf]
- Change In Scope Form #6972 [word]
- Excel Supplement to Form 6972
Proficiency Testing Resources
PFAS Accreditation
- Notice of PFAS Accreditation
- PFAS Change in Scope Form #55405 [word] [pdf]
File Transfer Information
Information from Virginia Department of Environmental Quality (DEQ)
Information from Virginia Department of Health Office of Drinking Water (VDH-ODW)
Contact
Laboratory Certification Feedback Form 6970
DCLS Laboratory Certification Office
600 N. 5th Street
Richmond, VA 23219
Phone: (804) 648-4480
Fax: (804) 692-0416
Email: Lab_Cert@dgs.virginia.gov