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Demix Agrégats, division de Groupe CRH Canada

Laval, QC · Organization as named in National Pollutant Release Inventory (NPRI) – facility data, 2024

Emissions
3

Emissions (3)

DateRecordValueHow this was linked
2024Carrière Laval
Limestone mining and quarrying · Laval · QC · NPRI 6198
Top substances: Total particulate matter (43.2 t), PM10 - Particulate Matter <= 10 Micrometers (12.7 t), PM2.5 - Particulate Matter <= 2.5 Micrometers (1.5 t)
57.4 tExact normalized name + same province
2024Carrière St-François
Limestone mining and quarrying · Laval · QC · NPRI 8527
Top substances: Total particulate matter (20.5 t), PM10 - Particulate Matter <= 10 Micrometers (5.9 t), PM2.5 - Particulate Matter <= 2.5 Micrometers (1.2 t)
27.6 tExact normalized name + same province
2024Carrière Varennes
Limestone mining and quarrying · Varennes · QC · NPRI 8656
Top substances: Total particulate matter (31.4 t), PM10 - Particulate Matter <= 10 Micrometers (8.9 t), PM2.5 - Particulate Matter <= 2.5 Micrometers (2.9 t)
43.2 tExact normalized name + same province
Source: National Pollutant Release Inventory (NPRI) – facility data, 2024 — Environment and Climate Change Canada · Licence: Open Government Licence – Canada 2.0 · retrieved 2026-10-18 · Official source ↗

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