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1 plant already has a new or tighter limit for Xylene, meta & para in combination in its permit, taking effect Oct 1, 2029 (1 limit). It did not report a median above that limit between Oct 1, 2025 and Sep 30, 2026. EPA's file of Oct 16, 2026.
| Plant | New limit | Effective | Median, last 12 months | × limit |
|---|---|---|---|---|
| Exxonmobil Oil Corporation · NY0267724 · NY Industrial | daily maximum 10 ug/L, new | Oct 1, 2029 | — | — |
New: a limit on something the outfall was never limited on. Tighter: lower than the limit in force. Median: the plant's own reports, Oct 1, 2025 to Sep 30, 2026; none where most were below detection.
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Read the permit before relying on a value. Source: EPA ECHO, Oct 16, 2026. As JSON: /api/v1/permits?state=OH&upcoming=true · MCP: https://passage-data.com/mcp