EXH0424022190

4. L Monitoring Goals and Objectives 2 4.2. Sampting Locations 2 4.3. Sampling Requirements 7 4.4. Monitoring Schedule 8 4,4.1. Quarterly monitoring 8 4.5. Deicing events 8 4.5.1. Monitoring Requirements 8 __ 4.5.2. Deicing Event Definitions 9 4,5.3, Aircraft Deicing and Anti-icing: Subbasins Monitored 9 4,5.4. Ground Deicing: Subbasins Monitored 9 4. 6. Supplemental Monitoring Data ] 0 4, 7. Reporting: DMRs ] 0 4.8. Record Keeping and Recording Results 1] 4.9_ Representative Sampling 11 4.10. Test Procedures 12 4. ] 1, Flow Measurement ]2 4.I2. Laboratory Accredimtion 12 4.13. Additional Monitoring 13 4.14. Annual Stormwater Monitoring Summary Report 13 5. Monitoring Criteria 13 5. ]. Representativeness criteria ] 3 5.Z Target Storm Events 14 5.3. Sampling Protocols and Criteria 15 5.3.1. Grab samples 15 AR 022191 5.3.2. Flow-weighted composite samples 16 6. Monitoring Procedures I7 6.1. Safety ] 7 6.1.I, Confined space entry 18 6.2, Targeting Storms 19 6,3, Rainfall Measurement I9 6. 4. Flow Measurement 19 6,5, Automatic Stormwater Monitoring 20 6.5.1, sampler configuration 20 6.5.2, Sampler Programming 20 6, 6. Manual sampling 23 6. 7. Deicing event monitoring 23 6.8. Quality Assurance and Quality Control 24 6.8,1. Containers, Sample Size, Preservation, and Holding Times 24 6.8.2. Retrieving samples 25 6.8,3. Sample Identification 25 6,8.4. Sample Custody - 25 6.8,5. Analytical Procedures 26 6.8.6, Quality Control Procedures 26 6,8.7, Preventive Maintenance and Calibration 27 6.8.8. Data Assessment 27 6.9, Record keeping 27 6.9.1. Field Notebooks 27 6.9,2. Sampling Event Log 28 6.9.3, Chain-of-Custody form 28 6.9.4. Analytical Data…

Open full document

Upcoming Events

PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]