{
 "tool": "water-quality-volume",
 "toolVersion": "1.0.0",
 "methods": [
  "wqv 1.0.0"
 ],
 "commit": "ab22876",
 "date": "2026-11-04",
 "summary": "8 of 8 cases (24 values) within tolerance against TCEQ TSS worksheet, TCEQ RG-348, TCEQ RG-348 and TSS worksheet.",
 "note": "Generated by _workspace/tools/hh_verification.mjs from the fixtures; commit = code verified.",
 "cases": [
  {
   "id": "RG348-WS",
   "what": "TCEQ worksheet saved case: Williamson, P 32 in, 10 ac, 0 to 4 ac impervious, sand filter 89%",
   "reference": "TCEQ TSS worksheet, saved state of calculation-template.xls",
   "compared": 7,
   "maxDiff": "0.00 %",
   "pass": true
  },
  {
   "id": "RG348-E6-RET",
   "what": "RG-348 chapter 6: Bexar, 10 ac, 4 ac impervious, retention and irrigation",
   "reference": "TCEQ RG-348 chapter 6 example",
   "compared": 5,
   "maxDiff": "1.00 %",
   "pass": true
  },
  {
   "id": "RG348-E6-WET",
   "what": "RG-348 chapter 6: same site, wet basin 93%",
   "reference": "TCEQ RG-348 chapter 6 example",
   "compared": 4,
   "maxDiff": "1.01 %",
   "pass": true
  },
  {
   "id": "RG348-E6-SERIES",
   "what": "RG-348 chapter 6: same site, swale then extended detention, ETot 0.8125 (Eq. 3.6 with 0.5)",
   "reference": "TCEQ RG-348 chapter 6 example",
   "compared": 4,
   "maxDiff": "1.00 %",
   "pass": true
  },
  {
   "id": "RG348-SERIES-05",
   "what": "Eq. 3.6: swale 70% then extended detention 75%, coefficient 0.5",
   "reference": "TCEQ RG-348 and TSS worksheet (published example)",
   "compared": 1,
   "maxDiff": "0.00 %",
   "pass": true
  },
  {
   "id": "RG348-SERIES-065",
   "what": "TCEQ worksheet series sample: 75% then 70%, coefficient 0.65, gives 86.375%",
   "reference": "TCEQ TSS worksheet, series sample",
   "compared": 1,
   "maxDiff": "0.00 %",
   "pass": true
  },
  {
   "id": "RG348-T35",
   "what": "Table 3-5 at F 0.86: 1.38 in",
   "reference": "TCEQ RG-348 table 3-5",
   "compared": 1,
   "maxDiff": "0.00 %",
   "pass": true
  },
  {
   "id": "RG348-OVER",
   "what": "Load removed below the required removal: F above 1 gives no volume, and says so",
   "reference": "TCEQ RG-348 and TSS worksheet (published example)",
   "compared": 1,
   "maxDiff": "0.00 %",
   "pass": true
  }
 ]
}