{"id":"2cff0edc-6588-4344-bedb-4d57cce78e5a","created_at":"2025-09-04T15:31:18.464Z","updated_at":"2026-01-20T21:15:05.091Z","owner_id":"67e1dd84-d664-4901-9f1f-fc7ffddfe9cd","location_id":"a4fdd6e7-69fe-4eb2-a202-b8eeec5ad9f5","dataset_id":"c15f3477-8757-4b32-a93a-f6c9f424b830","form_id":"1f3d4585-fa19-433a-bd61-237f2ca81fef","observed_at":"2017-04-03T20:30:00.000Z","observed_at_local":"2017-04-03T16:30:00-04:00","notes":"Tested sample from culvert in lab for ammonia and Total Suspended Solids (TSS). \r\n\r\nUsed a Hach DR3900 spectrometer to analyze the sample using method 10031 (Nitrogen,Ammonia, Salicylate method) and TSS was analyzed using method 8006 (Photometric Method). \r\n\r\nTSS: 138 mg/L\r\nAmmonia: 1.9 mg/L","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":[],"photos":[],"permalink":"https://data.waterrangers.com/observations/169864","readings":[]}