v0.9.0
May 12, 2026
Major
Ask GRYD AI Co-Pilot, Decay Tracker, ATS Overlay
The biggest release since launch. Adds an AI interpretation agent grounded in your screening results, a chlorinated-solvent decay-chain visualization, and Alberta Township System support across the GIS module.
- Added — Ask GRYD AI co-pilot, grounded in your active screening run with row-level citations
- Added — Decay Tracker chart (PCE → TCE → cis-DCE → VC → Ethene) for natural attenuation analysis
- Added — ATS (Alberta Township System) grid overlay in the GIS module
- Added — Pre-defined site area zones: Well Centre, DWDA, Sump, Flare Pit, AST/UST, Spill, Staining
- Added — Switchable basemaps (street, satellite, topographic)
- Changed — Stats strip on the public site reflects new diagram count (25+)
- Pack — AB Tier 2A v2026.04, CCME v2024.09, BC CSR v2026.01
v0.8.2
April 18, 2026
Minor
Conversion Analysis — Hydrocarbon & Spatial modules
Round-out of the Conversion Analysis engine. PHC F1–F4 reconciliation across CCME and Tier 2A, plus coordinate / CRS handling for legal land descriptions and UTM zones.
- Added — Conversion Analysis Module 3 (Hydrocarbon): PHC F1–F4 normalization across CCME, AB Tier 2A, BC, SK
- Added — Conversion Analysis Module 4 (Spatial): UTM zone conversion, NAD83/WGS84 datum handling, ATS legal land descriptions
- Added — Sum-of-PAH calculator with surrogate-recovery handling
- Fixed — Edge case in saturated-paste EC conversion when soluble cations are reported in meq/100g
v0.8.0
February 28, 2026
Major
Salinity engine v2 — Salt Fingerprint, Brine Meter, depth-bin P95
The salinity story matters as much on agricultural land as it does on wellsites. v0.8 ships the full Salt Fingerprint and Brine Meter diagrams alongside a redesigned depth-binned background calibration with P95 thresholds.
- Added — Salt Fingerprint diagram (ion ratios fingerprinting brine vs. road-salt vs. fertilizer)
- Added — Brine Meter for produced-water characterization
- Added — Fertilizer Finder & Clay Sponge diagnostic charts
- Added — Depth-bin P95 background calibration with delta-shift override for EC and SAR
- Added — Conversion Analysis Module 2 (Salinity): EC unit conversion, 1:1 / 1:2 / saturated-paste extracts
- Changed — ND-handling policies (Kaplan-Meier, ROS, DL/2) now selectable per-pathway, not per-run
- Pack — AB Tier 2A v2026.02, CCME v2024.09
v0.7.0
January 14, 2026
Minor
Audit trail & Run History
Every screening run now writes a stamped audit entry into the workbook, so you can reproduce or defend any result months later without re-importing data.
- Added — Run history panel with unique run IDs, timestamps, and user attribution
- Added — Regulatory pack version stamping per run
- Added — Side-by-side run diff view
- Added — Pathway, background, and ND policy snapshot per run
v0.6.0
November 30, 2025
Minor
Volume Calculator & Plume Mapping
Remediation cost-scoping inputs come straight out of the analytical data now. Compute soil volumes by contour band and exceedance threshold without bouncing to ArcGIS.
- Added — Excavation Volume Calculator: m³ per contour band and exceedance threshold
- Added — Plume contour generation with selectable interpolation methods
- Added — Traffic-light borehole markers tied to live screening results
- Added — Export of map visuals at report resolution
v0.5.0
September 22, 2025
Major
AB Tier 2A regulatory pack & pathway scenarios
The Alberta Tier 2A pathway-modified framework lands, including land-use scenarios, soil-texture splits, and the ability to re-run pathway configurations on a locked dataset.
- Added — AB Tier 2A pack with full pathway-modification logic
- Added — Pathway scenario re-runs on committed datasets — no re-import
- Added — Land-use selector: agricultural, residential, commercial, industrial, parkland
- Added — Soil-texture split (coarse vs. fine-grained) applied per analyte
- Pack — AB Tier 1 v2025.09, AB Tier 2A v2025.09, CCME v2024.09
v0.4.0
July 8, 2025
Minor
Visual Forensics Suite v1
The first forensic diagram bundle ships. Piper, Stiff, Schoeller, Wilcox, Gibbs, PAH Cross-Plot, Source Discriminator — all powered by the ForensicData meq/L conversion engine.
- Added — Piper, Stiff, Schoeller, Wilcox, and Gibbs diagrams
- Added — PAH Cross-Plot and Source Discriminator for contamination origin analysis
- Added — Ion Balance calculator with charge-balance error reporting
- Added — meq/L conversion engine underpinning the whole suite
Conversion Analysis Module 1 — Lab Analysis Scope & EDD
Automatic EDD detection and analyte alias mapping for the major Canadian labs. Cuts the "where is benzene in this CSV" step down to zero.
- Added — EDD auto-detection for major Canadian commercial labs
- Added — Analyte alias mapping & canonical naming
- Added — Unit normalization (mg/L, µg/L, mg/kg, ppm, ppb)
- Added — QA/QC flag reconciliation across vendor formats
v0.2.0
February 18, 2025
Minor
Exceedance reporting & CCME pack
The first exceedance engine. CCME soil and water guidelines, severity classification, and report-ready exports.
- Added — Exceedance reporting engine with severity classification
- Added — CCME regulatory pack (soil, groundwater, surface water)
- Added — Export to formatted exceedance tables
v0.1.0
November 11, 2024
Initial
Initial public release
[GRYD] launches as a private beta inside Excel for Windows and Mac, with Microsoft Entra External ID authentication, local-first data architecture, and AB Tier 1 screening.
- Added — Excel add-in for Windows and Mac
- Added — Microsoft Entra External ID sign-in
- Added — Local-first IndexedDB architecture
- Added — AB Tier 1 regulatory pack — soil & groundwater