[Research](/research) / InternalHazardousMaterialsFacilityPulse

# Internal Open Data Hazardous Materials Facility Data Commercial Feed: 2026 statistics from 541 public records

**The most common filing category is Permitting & Work Filings: 538 of 541 records (99.4%) (as of 2026-11-03; source: Internal Open Data Open Data (internal-sandiegocounty.data.socrata.com, dataset hwni-tapa)).**

Data as of 2026-11-03 · Compiled by Zalwin from Internal Open Data Open Data (internal-sandiegocounty.data.socrata.com, dataset hwni-tapa) Copy citation

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## Key findings

- Zalwin's InternalHazardousMaterialsFacilityPulse dataset holds 541 InternalHazardousMaterialsFacilityPulse records dated 2022-12-03 to 2023-12-05 (as of 2026-11-03; source: Internal Open Data Open Data (internal-sandiegocounty.data.socrata.com, dataset hwni-tapa)). [#](#finding-1)
- The most common filing category is Permitting & Work Filings: 538 of 541 records (99.4%) (as of 2026-11-03; source: Internal Open Data Open Data (internal-sandiegocounty.data.socrata.com, dataset hwni-tapa)). [#](#finding-2)

## InternalHazardousMaterialsFacilityPulse records by filing category

| Group | Records | Share |
|---|---|---|
| Permitting & Work Filings | 538 | 99.4% |
| General Commercial Filings | 3 | 0.6% |

## Methodology and data provenance

- Sample: 541 public records dated 2022-12-03 to 2023-12-05; illustrative samples excluded.

- Source: Internal Open Data Open Data (internal-sandiegocounty.data.socrata.com, dataset hwni-tapa). Refreshed automatically about every 24 hours; figures above are as of 2026-11-03.

- Shares are of all records in the dataset; totals and medians use only records with a stated reported value.

- Organization-level data only. Informational; verify individual records at the official source.

### Cite this study

Zalwin Research, "InternalHazardousMaterialsFacilityPulse statistics" (data as of 2026-11-03), https://zalwin.com/research/internalhazardousmaterialsfacpulse

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