{"data":{"id":"us-va/1vac30-45-817","jurisdiction":"us-va","citation":"1VAC30-45-817","heading":"Air testing: selectivity","body":"The laboratory shall develop and document acceptance criteria for test method selectivity such as absolute and relative retention times, wavelength assignments, mass spectral library quality of match, and mass spectral tuning.","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/section817/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:44:41Z","sha256":"1f86b8470f9e334e19f3bb06ec658bda70c0f99d15dfee89886685dd6b3c8f89","source_id":"us-va-vac","stale":false,"prev":"us-va/1vac30-45-816","next":"us-va/1vac30-45-818"},"notice":"GroundRules: Original legal text. Not legal advice."}