_id substance_id   sort_order   substance_name   cas_registry_numbers   cat1   cat1a   cat1b   cat2a   cat2b   cat3   voc   c1_substance_use_threshold_kg   c2_fuel_use_threshold_kg   c2a_hour_fuel_use_threshold_kg   c3_emissions_threshold_kg   emissions_to_air   emissions_to_water   emissions_to_land   fact_sheet_url   first_reporting_year   colspacer
substance_id sort_order substance_name cas_registry_numbers cat1 cat1a cat1b cat2a cat2b cat3 voc c1_substance_use_threshold_kg c2_fuel_use_threshold_kg c2a_hour_fuel_use_threshold_kg c3_emissions_threshold_kg emissions_to_air emissions_to_water emissions_to_land fact_sheet_url first_reporting_year