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Phosphorus- bottm Kemmerer sample (ug/L) 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Phosphorus- bottm Kemmerer sample (ug/L) 11","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113307","readings":[{"id":"195e7dba-47db-4cc2-a749-fa3930e500fa","created_at":"2025-08-29T18:25:49.161Z","updated_at":"2025-08-29T18:25:49.161Z","parameter":"oxygen","unit":"mg_l","value":"9.32","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"ba14eedd-9c82-4441-a958-0c7ef2cbab68","created_at":"2025-08-29T18:25:49.167Z","updated_at":"2025-08-29T18:25:49.167Z","parameter":"secchi_depth","unit":"m","value":"3.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"756540c7-1298-4c0a-9f4a-60557dc07ef7","created_at":"2025-08-29T18:25:49.178Z","updated_at":"2025-08-29T18:25:49.178Z","parameter":"total_phosphorus","unit":null,"value":"6.0","equipment":null,"equipment_limit":null},{"id":"ba6b0277-a59c-4eda-b411-37a96956853b","created_at":"2025-08-29T18:25:49.182Z","updated_at":"2025-08-29T18:25:49.182Z","parameter":"water_temperature","unit":"deg_c","value":"17.4","equipment":"ysi_meter_temperature","equipment_limit":null}]},{"id":"1c8ed2d0-3037-41fd-8252-97beeb1071aa","created_at":"2025-08-29T18:25:48.695Z","updated_at":"2026-01-20T20:09:21.330Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"8dbf83e4-bcd8-447b-baf4-198947973f1c","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2009-09-10T16:00:00.000Z","observed_at_local":"2009-09-10T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 10","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113300","readings":[{"id":"e51c87a9-432f-48cf-b739-84813b0a14fc","created_at":"2025-08-29T18:25:48.750Z","updated_at":"2025-08-29T18:25:48.750Z","parameter":"ph","unit":"std_units","value":"9.0","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"ef50c3c1-28b8-48d7-abb5-f5355637155a","created_at":"2025-08-29T18:25:48.754Z","updated_at":"2025-08-29T18:25:48.754Z","parameter":"oxygen","unit":"mg_l","value":"9.2","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"9c0f337b-61b3-44b3-9dd9-ee4e2abbb7e0","created_at":"2025-08-29T18:25:48.762Z","updated_at":"2025-08-29T18:25:48.762Z","parameter":"secchi_depth","unit":"m","value":"7.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"026e0040-8802-454c-850e-2ad5e72b585e","created_at":"2025-08-29T18:25:48.776Z","updated_at":"2025-08-29T18:25:48.776Z","parameter":"total_phosphorus","unit":null,"value":"5.0","equipment":null,"equipment_limit":null},{"id":"26545891-672d-4f1c-8ed8-aac74a5426fd","created_at":"2025-08-29T18:25:48.789Z","updated_at":"2025-08-29T18:25:48.789Z","parameter":"water_temperature","unit":"deg_c","value":"21.3","equipment":"ysi_meter_temperature","equipment_limit":null}]},{"id":"2ee55742-2dd7-4d32-975a-8a8f6bc60ff4","created_at":"2025-08-29T18:26:01.574Z","updated_at":"2026-01-20T20:09:42.371Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"8dbf83e4-bcd8-447b-baf4-198947973f1c","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2009-07-15T16:00:00.000Z","observed_at_local":"2009-07-15T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 8","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113417","readings":[{"id":"312eb9f1-913c-4a9f-bbc9-73386bef0d7c","created_at":"2025-08-29T18:26:01.592Z","updated_at":"2025-08-29T18:26:01.592Z","parameter":"ph","unit":"std_units","value":"8.0","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"efaefb47-6909-43e0-8f69-1cb32e1ca683","created_at":"2025-08-29T18:26:01.629Z","updated_at":"2025-08-29T18:26:01.629Z","parameter":"oxygen","unit":"mg_l","value":"8","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"e9f19223-af4e-4a78-832b-78563d854679","created_at":"2025-08-29T18:26:01.643Z","updated_at":"2025-08-29T18:26:01.643Z","parameter":"secchi_depth","unit":"m","value":"6.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"a7965f7f-9106-4b10-bc7c-2e64e6f3941c","created_at":"2025-08-29T18:26:01.657Z","updated_at":"2025-08-29T18:26:01.657Z","parameter":"total_phosphorus","unit":null,"value":"10.0","equipment":null,"equipment_limit":null},{"id":"4685ce74-5189-4188-a9c2-55963fc24654","created_at":"2025-08-29T18:26:01.664Z","updated_at":"2025-08-29T18:26:01.664Z","parameter":"water_temperature","unit":"deg_c","value":"21.4","equipment":"ysi_meter_temperature","equipment_limit":null}]},{"id":"336842d1-0b88-4691-846b-8d8b07c2f7fd","created_at":"2025-08-29T18:25:49.072Z","updated_at":"2026-01-20T20:09:22.596Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"8dbf83e4-bcd8-447b-baf4-198947973f1c","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2009-06-15T16:00:00.000Z","observed_at_local":"2009-06-15T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 11","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113306","readings":[{"id":"d93fc61e-4c4d-41ed-ac11-725ca63d7b4a","created_at":"2025-08-29T18:25:49.108Z","updated_at":"2025-08-29T18:25:49.108Z","parameter":"ph","unit":"std_units","value":"7.9","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"3a631fd9-2f01-46a9-812b-ada2b1733711","created_at":"2025-08-29T18:25:49.112Z","updated_at":"2025-08-29T18:25:49.112Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"f3f1c2fb-3c0a-4891-9b21-c1f0ac28972c","created_at":"2025-08-29T18:25:49.116Z","updated_at":"2025-08-29T18:25:49.116Z","parameter":"secchi_depth","unit":"m","value":"6.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"e71f4055-1dcc-414f-9723-2393f22f7705","created_at":"2025-08-29T18:25:49.119Z","updated_at":"2025-08-29T18:25:49.119Z","parameter":"total_phosphorus","unit":null,"value":"8.0","equipment":null,"equipment_limit":null},{"id":"9b9e018f-f92e-4ef8-b4c9-9caa0824ef4f","created_at":"2025-08-29T18:25:49.122Z","updated_at":"2025-08-29T18:25:49.122Z","parameter":"water_temperature","unit":"deg_c","value":"21.6","equipment":"ysi_meter_temperature","equipment_limit":null}]},{"id":"8ec00be7-db02-4663-855a-63eb19f0f955","created_at":"2025-08-29T18:25:57.796Z","updated_at":"2026-01-20T20:09:36.811Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"8dbf83e4-bcd8-447b-baf4-198947973f1c","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2004-09-16T16:00:00.000Z","observed_at_local":"2004-09-16T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 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