Basic life support patient at swimming school Heard on: Chester County Fire/EMS - Analog 00:12 00:00 Big Blue Swim School, (number withheld) East Lancaster Avenue, Tredyffrin Township, basic person. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Big Blue Swim School, (number withheld) East Lancaster Avenue, Tredyffrin Township, basic person. 00:05 Thank you, trade. 00:07 Big Blue Swim School, (number withheld) East Lancaster Avenue, Tredyffrin Township, basic person. 9/5/2026 07:37 AM Medical Emergency E Lancaster Ave, Paoli, PA 19301 View on map