How to Ensure Safety and Efficiency in Stormwater Sampling
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This document discusses key tools and techniques for effective stormwater sampling projects. It emphasizes the importance of planning, preparing properly, and maintaining sample integrity. The presentation covers determining sampling requirements, selecting laboratories, using proper sampling equipment and techniques, managing samples, reviewing results, and documenting the process. The overall goal is to help project managers and field staff successfully plan, execute, and learn from their stormwater sampling efforts.
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How to Ensure Safety and Efficiency in Stormwater Sampling
- 1. How to Ensure Safety and Efficiency in Stormwater Sampling Key tools to better manage your next stormwater sampling project
- 3. During this Webinar ๏ผ All lines will be muted. ๏ผ Communicate via the questions tab in your webinar panel. ๏ผ Unanswered questions will be responded to after the webinar. ๏ผ Webinar recording and slides will be emailed to you tomorrow.
- 5. What You Can Expect โข Project managers and field staff โข Plan, manage, and execute sampling โข Key tools for a successful project โข How do I determine the requirements?
- 6. Poll Question How Often Do You Review/Update Your SWPPP and Sampling Plan?
- 7. Agenda Introduction: Why Sample Stormwater? Sampling Project Preparation & Planning Sampling Techniques & Equipment Sample Management & Results Summary/Q&A
- 8. Why Sample Stormwater in the First Place? EPA (MSGP) says you have to! NPDES & MSGP history (1990 to 2015) โข 40 CFR 122.26(b)(14)(i)-(ix) identifies covered industrial categories โข By SIC code or general description
- 9. General Industry Descriptions โข Facilities subject to New Source Performance Standards โข Heavy manufacturing โข Mining, oil and gas โข Hazardous waste facilities โข Landfills โข Recycling facilities โข Steam electric power plants โข Transportation industries โข Sewage treatment facilities โข Light industry
- 10. Introduction: Why Sample Stormwater? Sampling Project Preparation & Planning Sampling Techniques & Equipment Sample Management & Results Summary/Q&A Agenda
- 11. The Basics โข 2015 MSGP Notice of Intent (including if previously covered by the 2008 MSGP) โข Review Stormwater Pollution Prevention Plan (SWPPP) โข Update โข Confirm monitoring (sampling) requirements โข Communicate
- 12. What Type of Monitoring? Visual Assessments Indicator/Benchmark Compliance
- 13. Site Preparations โข Where to collect samples? โข Drainage structures โข Cover soil areas โข All discharge locations on site map
- 14. Select a Laboratory โข DMR-QA program โข NELAP approved โข Communicate โข Additional services
- 15. Example Chain of Custody โข What does โcustodyโ mean? โข COC essentials โข Signatures!
- 16. Lab Requirements โข Bottle orders โข Rush requests โข Transporting samples โข Chains of custody & labels
- 17. Potential Issues to Consider โข Run-on โข Adverse conditions โข Sampling in time
- 18. Qualifying Storm Events โข Must create discharge โข 72 hours elapsed โข Exception to 72-hours
- 19. Safety Considerations Review Sampling SOP Complete Pre-Task Assessment Determine appropriate PPE Address site hazards Handle adverse conditions
- 20. Final Preparations Before Sampling โข Monitor weather โข Assemble and check gear โข Notify/mobilize monitoring team
- 21. Introduction: Why Sample Stormwater? Sampling Project Preparation & Planning Sampling Techniques & Equipment Sample Management & Results Summary/Q&A Agenda
- 22. Sampling Equipment โข pH meter โข PPE (gloves, glasses, sleeves, shield) โข Field test kits โข Notebook โ take good notes!
- 23. Sampling Techniques Grab Sample โข Discrete sample โข Duration 15 minutes or less Composite Sample โข Collected continuously or in aliquots During discharge up to 24 hours Sample Representativeness
- 24. Sampling Practices Containers & Preservatives Ice Ice Baby Avoid Contamination
- 25. Sample Quality Assurance โข Holding Times โข Sample Preservatives โข Trip Blanks โข Field Blanks โข Equipment Blanks โข Chains of Custody and Procedures
- 26. Field Notes and Observations โข Document observations in SWPPP โข Rainfall total, stormwater flow โข Stormwater volume sampled โข Unusual conditions
- 27. Introduction: Why Sample Stormwater? Sampling Project Preparation & Planning Sampling Techniques & Equipment Sample Management & Results Summary/Q&A Agenda
- 28. Sample Management โข Preservation โข Ice and in a cooler โข Chemically-preserved containers โข Copy of COC โข Transport/ship to laboratory โข Temporary storage on-site
- 29. Analytical Results: Now What? โข Review analytical reports โข Note and discuss โข Reporting within 30 days โข EPA NetDMR or similar
- 30. Introduction: Why Sample Stormwater? Sampling Project Preparation & Planning Sampling Techniques & Equipment Sample Management & Results Summary/Q&A Agenda
- 31. Summary Understand requirements Plan and prepare Maintain sample integrity Review data and meet deadlines
- 32. Upcoming Webinar
- 33. QUESTIONS?
- 34. You Will Receive: โข A recording of this presentation and a copy of this presentation โข A link to a short survey โข An offer to help you get started with your next sampling project Thank You For Attending!