Show me the highest dust readings from Furnace 4 last shift.
Furnace 4 — last 8 hours (06:00–14:00 UTC)
Three respirable dust peaks crossed the 15-minute OEL of 5.0 mg/m³. The highest, at 11:42, hit 7.8 mg/m³ during a tap. Average across the shift sat at 1.4 mg/m³ — well under the 8-hour limit of 2.5.
Respirable dust · mg/m³ · 15-min buckets06:00 → 14:00
| Time | Peak (resp) | % of15-min OEL | Likely cause |
|---|---|---|---|
| 07:30 | 5.3 mg/m³ | 106% | Charging |
| 11:42 | 7.8 mg/m³ | 156% | Tapping |
| 13:00 | 6.5 mg/m³ | 130% | Slag handling |
Want me to break this down per 15-min window, or compare against last week's same shift?