{"data":{"id":"us-va/1vac30-45-816","jurisdiction":"us-va","citation":"1VAC30-45-816","heading":"Air testing: quality of standards and reagents","body":"A. The source of standards shall comply with 1VAC30-45-740 C.\n\nB. The purity of each analyte standard and each reagent shall be documented by the laboratory through certificates of analyses from the manufacturer/vendor, manufacturer/vendor specifications, and/or independent analysis.\n\nC. In methods where the purity of reagents is not specified, analytical reagent grade or higher quality, if available, shall be used.","path":["Title 1. Administration","Agency 30. Department of General Services","Chapter 45. Certification for Noncommercial Environmental Laboratories","Part II. Standards","Article 4. Quality System"],"source_url":"https://law.lis.virginia.gov/admincode/title1/agency30/chapter45/section816/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:44:41Z","sha256":"a02f4691c8979c94d96f053d6a0486fbf18d35d2aa3f9485a8ce965afc552e5b","source_id":"us-va-vac","stale":false,"prev":"us-va/1vac30-45-815","next":"us-va/1vac30-45-817"},"notice":"GroundRules: Original legal text. Not legal advice."}