{"query":{"parameter":"zinc","place":"CA-QC","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-QC","CA"],"parameter_keys":["cas:7440-66-6","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc","name:arsenic, cadmium (h), copper (h), lead (h), zinc","name:cadmium (h), copper (h), mercury, lead (h), zinc","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc","name:iron, nickel (h), zinc","name:total zinc","name:total zinc (freshwater","name:zinc-65","cas:557-21-1","name:zinc extractible","cas:1314-84-7","name:zinc - total","name:zinc, total"],"names_matched":[["zinc","cas:7440-66-6"],["arsenic cadmium h copper h lead h mercury zinc","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc"],["arsenic cadmium h copper h lead h mercury zinc h","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc"],["arsenic cadmium h copper h lead h zinc","name:arsenic, cadmium (h), copper (h), lead (h), zinc"],["arsenic cadmium h copper h lead h zinc h","name:arsenic, cadmium (h), copper (h), lead (h), zinc"],["cadmium h copper h mercury lead h zinc","name:cadmium (h), copper (h), mercury, lead (h), zinc"],["cadmium h copper h mercury lead h zinc h","name:cadmium (h), copper (h), mercury, lead (h), zinc"],["chemical oxygen demand arsenic radium dissolved and total uranium zinc","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc"],["chemical oxygen demand arsenic radium dissolved and total uranium zinc h","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc"],["iron nickel h zinc","name:iron, nickel (h), zinc"],["iron nickel h zinc h","name:iron, nickel (h), zinc"],["total zinc","name:total zinc"],["total zinc","name:total zinc (freshwater"],["total zinc freshwater","name:total zinc"],["total zinc freshwater","name:total zinc (freshwater"],["total zinc marine","name:total zinc"],["total zinc marine","name:total zinc (freshwater"],["zinc 65","name:zinc-65"],["zinc cyanide","cas:557-21-1"],["zinc cyanide zn cn 2","cas:557-21-1"],["zinc extractible","name:zinc extractible"],["zinc phosphide","cas:1314-84-7"],["zinc phosphide when present at concentrations 10","cas:1314-84-7"],["zinc phosphide zn3 p2","cas:1314-84-7"],["zinc phosphide zn3p2","cas:1314-84-7"],["zinc total","name:zinc - total"],["zinc total","name:zinc, total"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":29,"offset":0,"returned":29,"next_offset":null,"rows":[{"id":"8365892a2a936d41","parameter":"Zinc","value":"2.5","value_num":2.5,"unit":"µg/m³","direction":"max","kind":"limit","medium":"ambient_air","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":[],"cite":{"instrument":"ca_qc_air","title":"MELCCFP — Normes et critères québécois de qualité de l'atmosphère (version 11)","issuer":null,"edition":"Version 11","source_url":"https://environnement.gouv.qc.ca/air/criteres/normes-criteres-qualite-atmosphere.xlsx","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"column":"valeur"}},{"id":"55981f398258ff98","parameter":"Zinc","value":"0.1","value_num":0.1,"unit":"µg/m³","direction":"max","kind":"printed_reference","medium":"ambient_air","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":[],"cite":{"instrument":"ca_qc_air","title":"MELCCFP — Normes et critères québécois de qualité de l'atmosphère (version 11)","issuer":null,"edition":"Version 11","source_url":"https://environnement.gouv.qc.ca/air/criteres/normes-criteres-qualite-atmosphere.xlsx","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"column":"concentration_initiale"}},{"id":"d1219d69c2420117","parameter":"zinc","value":"0,037","value_num":0.037,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["receiving_water is freshwater","à l'effluent, sans dilution"],"cite":{"instrument":"ca_qc_criteres_eau","title":"Critères de qualité de l'eau de surface (MELCCFP) — vie aquatique : VAFe, CVAA et CVAC, eau douce et eau salée, toutes les fiches","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"répertoire en ligne du MELCCFP, chaque fiche telle que servie le 2026-10-09 (each row names its fiche, its URL and its sha256)","source_url":"https://www.environnement.gouv.qc.ca/eau/criteres_eau/index.asp","source_sha256":"8808aa0b6ab877cc6c07ac7b3eed26ad6967cf19ea161430cd515d9c92e4bd75","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"fiche S0489 (zinc) — valeur aiguë finale à l'effluent (VAFe)","page":null,"quote":"0,037 (CCME, 2018)"}},{"id":"4327df962596d9eb","parameter":"zinc","value":"0,18","value_num":0.18,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["receiving_water is marine","à l'effluent, sans dilution"],"cite":{"instrument":"ca_qc_criteres_eau","title":"Critères de qualité de l'eau de surface (MELCCFP) — vie aquatique : VAFe, CVAA et CVAC, eau douce et eau salée, toutes les fiches","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"répertoire en ligne du MELCCFP, chaque fiche telle que servie le 2026-10-09 (each row names its fiche, its URL and its sha256)","source_url":"https://www.environnement.gouv.qc.ca/eau/criteres_eau/index.asp","source_sha256":"8808aa0b6ab877cc6c07ac7b3eed26ad6967cf19ea161430cd515d9c92e4bd75","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"fiche S0489 (zinc) — valeur aiguë finale à l'effluent (VAFe)","page":null,"quote":"0,18 (U.S.EPA, 1998a; U.S.EPA, 2002) Cette concentration s'applique aux eaux saumâtres et salées."}},{"id":"682c155d0a144d16","parameter":"zinc","value":"0,019","value_num":0.019,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"ca_qc_criteres_eau","title":"Critères de qualité de l'eau de surface (MELCCFP) — vie aquatique : VAFe, CVAA et CVAC, eau douce et eau salée, toutes les fiches","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"répertoire en ligne du MELCCFP, chaque fiche telle que servie le 2026-10-09 (each row names its fiche, its URL and its sha256)","source_url":"https://www.environnement.gouv.qc.ca/eau/criteres_eau/index.asp","source_sha256":"8808aa0b6ab877cc6c07ac7b3eed26ad6967cf19ea161430cd515d9c92e4bd75","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"fiche S0489 (zinc) — critère de vie aquatique aigu (CVAA)","page":null,"quote":"0,019 (CCME, 2018)"}},{"id":"2ba932f90aefb940","parameter":"zinc","value":"0,09","value_num":0.09,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["receiving_water is marine"],"cite":{"instrument":"ca_qc_criteres_eau","title":"Critères de qualité de l'eau de surface (MELCCFP) — vie aquatique : VAFe, CVAA et CVAC, eau douce et eau salée, toutes les fiches","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"répertoire en ligne du MELCCFP, chaque fiche telle que servie le 2026-10-09 (each row names its fiche, its URL and its sha256)","source_url":"https://www.environnement.gouv.qc.ca/eau/criteres_eau/index.asp","source_sha256":"8808aa0b6ab877cc6c07ac7b3eed26ad6967cf19ea161430cd515d9c92e4bd75","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"fiche S0489 (zinc) — critère de vie aquatique aigu (CVAA)","page":null,"quote":"0,09 (U.S.EPA, 1998a; U.S.EPA, 2002) Cette concentration s'applique aux eaux saumâtres et salées."}},{"id":"2a7e629e5a99e3a1","parameter":"zinc","value":"0,007","value_num":0.007,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"ca_qc_criteres_eau","title":"Critères de qualité de l'eau de surface (MELCCFP) — vie aquatique : VAFe, CVAA et CVAC, eau douce et eau salée, toutes les fiches","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"répertoire en ligne du MELCCFP, chaque fiche telle que servie le 2026-10-09 (each row names its fiche, its URL and its sha256)","source_url":"https://www.environnement.gouv.qc.ca/eau/criteres_eau/index.asp","source_sha256":"8808aa0b6ab877cc6c07ac7b3eed26ad6967cf19ea161430cd515d9c92e4bd75","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"fiche S0489 (zinc) — critère de vie aquatique chronique (CVAC)","page":null,"quote":"0,007 (CCME, 2018)"}},{"id":"03250df02ede9325","parameter":"zinc","value":"0,081","value_num":0.081,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["receiving_water is marine"],"cite":{"instrument":"ca_qc_criteres_eau","title":"Critères de qualité de l'eau de surface (MELCCFP) — vie aquatique : VAFe, CVAA et CVAC, eau douce et eau salée, toutes les fiches","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"répertoire en ligne du MELCCFP, chaque fiche telle que servie le 2026-10-09 (each row names its fiche, its URL and its sha256)","source_url":"https://www.environnement.gouv.qc.ca/eau/criteres_eau/index.asp","source_sha256":"8808aa0b6ab877cc6c07ac7b3eed26ad6967cf19ea161430cd515d9c92e4bd75","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"fiche S0489 (zinc) — critère de vie aquatique chronique (CVAC)","page":null,"quote":"0,081 (U.S.EPA, 1998a; U.S.EPA, 2002) Cette concentration s'applique aux eaux saumâtres et salées."}},{"id":"ca7db28f8008dd52","parameter":"Zinc (Zn)","value":"5 000","value_num":5000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["Eau de consommation"],"cite":{"instrument":"ca_qc_eaux_souterraines","title":"Guide d'intervention — Annexe 7 : Grille des critères de qualité des eaux souterraines","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"mai 2021","source_url":"https://environnement.gouv.qc.ca/sol/terrains/guide-intervention/annexe7.xlsx","source_sha256":"524eb58a8fbb45fb67a028b495f8c546614d9afe041986e4b4fe302ea6700761","fetched_at":"2026-09-03","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"I – Métaux (et métalloïdes)","page":null,"quote":null,"column":"consommation"}},{"id":"917c3bdfe641bf39","parameter":"Zinc (Zn)","value":"67","value_num":67,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["Résurgence dans l'eau de surface"],"cite":{"instrument":"ca_qc_eaux_souterraines","title":"Guide d'intervention — Annexe 7 : Grille des critères de qualité des eaux souterraines","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"mai 2021","source_url":"https://environnement.gouv.qc.ca/sol/terrains/guide-intervention/annexe7.xlsx","source_sha256":"524eb58a8fbb45fb67a028b495f8c546614d9afe041986e4b4fe302ea6700761","fetched_at":"2026-09-03","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"I – Métaux (et métalloïdes)","page":null,"quote":null,"column":"resurgence"}},{"id":"ca8a463959a8d096","parameter":"Zinc","value":"1 mg/l","value_num":1,"unit":"mg/L","direction":"max","kind":"limit","medium":"leachate","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["cites is Q-2, r. 27","les eaux de lixiviation rejetées dans l'environnement ou dans un égout pluvial (a. 104)"],"cite":{"instrument":"ca_qc_pates_papiers","title":"Règlement sur les fabriques de pâtes et papiers (RLRQ, c. Q-2, r. 27) — normes sur les effluents (a. 10-45), aires de stockage (a. 53) et eaux de lixiviation (a. 104)","issuer":"Gouvernement du Québec (Éditeur officiel du Québec)","edition":"LégisQuébec, à jour au 1er juin 2026","source_url":"https://www.legisquebec.gouv.qc.ca/fr/pdf/rc/Q-2,%20R.%2027.pdf","source_sha256":"1516758981ed96c4cfff4f4b649cf154e20c298b1861bcc0633f6f2e49693677","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"a. 104","page":25,"quote":"| Zinc | 1 mg/l"}},{"id":"7e7170936e840edc","parameter":"Zinc (Zn)","value":"140","value_num":140,"unit":"mg/kg matière sèche","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["Les critères A représentent les teneurs de fond naturelles pour les substances inorganiques, excepté pour le chrome VI, et les limites de quantification de la méthode (LQM) pour les substances organiques et le chrome VI."],"cite":{"instrument":"ca_qc_sols","title":"Guide d'intervention — Annexe 2 : Grille des critères génériques pour les sols","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"the register's own","source_url":"https://environnement.gouv.qc.ca/sol/terrains/guide-intervention/annexe2.pdf","source_sha256":"40961710c7d5f0b3e2c9f5d367595e0084ffa779f0d89dce765484b635422bab","fetched_at":"2026-08-28","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"I – Métaux (et métalloïdes)","page":null,"quote":null,"column":"A"}},{"id":"71c62d0086551a3b","parameter":"Zinc (Zn)","value":"500","value_num":500,"unit":"mg/kg matière sèche","direction":"max","kind":"limit","medium":"soil","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["B (valeurs limites réglementaires de l’annexe I du RPRT)"],"cite":{"instrument":"ca_qc_sols","title":"Guide d'intervention — Annexe 2 : Grille des critères génériques pour les sols","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"the register's own","source_url":"https://environnement.gouv.qc.ca/sol/terrains/guide-intervention/annexe2.pdf","source_sha256":"40961710c7d5f0b3e2c9f5d367595e0084ffa779f0d89dce765484b635422bab","fetched_at":"2026-08-28","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"I – Métaux (et métalloïdes)","page":null,"quote":null,"column":"B"}},{"id":"86927a029ed5c3e9","parameter":"Zinc (Zn)","value":"1 500","value_num":1500,"unit":"mg/kg matière sèche","direction":"max","kind":"limit","medium":"soil","level":"regional","parameter_key":"cas:7440-66-6","place":["CA-QC"],"conditions":["C (valeurs limites réglementaires de l’annexe II du RPRT)"],"cite":{"instrument":"ca_qc_sols","title":"Guide d'intervention — Annexe 2 : Grille des critères génériques pour les sols","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"the register's own","source_url":"https://environnement.gouv.qc.ca/sol/terrains/guide-intervention/annexe2.pdf","source_sha256":"40961710c7d5f0b3e2c9f5d367595e0084ffa779f0d89dce765484b635422bab","fetched_at":"2026-08-28","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"I – Métaux (et métalloïdes)","page":null,"quote":null,"column":"C"}},{"id":"0fb9d51e1b61c638","parameter":"Zinc extractible","value":"0,4 mg/l","value_num":0.4,"unit":"mg/l","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"regional","route":"direct","stream":"any","parameter_key":"name:zinc extractible","place":["CA-QC"],"conditions":["cites is Directive 019"],"cite":{"instrument":"ca_qc_d019","title":"Directive 019 sur l'industrie minière (février 2025) — tableau 3.1, exigences au point de rejet de l'effluent final","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"février 2025","source_url":"https://www.environnement.gouv.qc.ca/milieu_ind/directive019/directive-019-2025.pdf","source_sha256":"3e46363df79aa14b684f360dc9b7f6172537079907e7bee50d0555abcbebe743","fetched_at":"2026-08-28","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":19,"quote":null,"table":"tableau_3_1","column":"moyenne_mensuelle"}},{"id":"cf3253b8732af114","parameter":"Zinc extractible","value":"0,8 mg/l","value_num":0.8,"unit":"mg/l","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"regional","route":"direct","stream":"any","parameter_key":"name:zinc extractible","place":["CA-QC"],"conditions":["cites is Directive 019"],"cite":{"instrument":"ca_qc_d019","title":"Directive 019 sur l'industrie minière (février 2025) — tableau 3.1, exigences au point de rejet de l'effluent final","issuer":"Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)","edition":"février 2025","source_url":"https://www.environnement.gouv.qc.ca/milieu_ind/directive019/directive-019-2025.pdf","source_sha256":"3e46363df79aa14b684f360dc9b7f6172537079907e7bee50d0555abcbebe743","fetched_at":"2026-08-28","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":19,"quote":null,"table":"tableau_3_1","column":"quotidienne_max"}},{"id":"f96205891c79d266","parameter":"Zinc","value":"250","value_num":250,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["Concentration (mg/kg dry weight) Agricultural"],"cite":{"instrument":"ca_ccme_soil","title":"CCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table, as served 2026-09-24)","issuer":"Canadian Council of Ministers of the Environment (CCME)","edition":"Summary Table","source_url":"https://ccme.ca/en/results/176,177,178,1,2,287,3,4,5,6,7,179,8,174,9,10,12,180,14,181,182,183,15,16,17,300,19,20,21,289,242,23,24,295,27,28,194,288,59,60,61,63,62,184,65,66,67,69,70,71,72,73,74,80,81,216,291,30,31,32,41,47,42,48,113,114,169,171,170,185,110,83,77,78,283,79,109,104,52,53,290,85,76,86,100,87,88,89,234,91,154,93,94,96,99,186,187,97,102,112,292,40,119,125,293,121,188,122,123,124,126,127,129,131,239,233,189,135,130,133,136,137,138,107,29,297,103,51,235,190,139,140,141,143,144,146,147,148,39,58,284,161,302,303,162,191,294,163,164,165,167,168,172,173,175,101,192,193,196,197,198,199,201,217,202,203,204,207,218,208,209,115,36,37,38,45,299,106,56,57,211,212,213,214,215,221,222,108,151,236,33,34,35,43,44,298,55,105,54,152,223,153,219,225,226,296,229/ch/1,2,3,4/csv","source_sha256":"f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"agricole"}},{"id":"8ca5a0858e9b986a","parameter":"Zinc","value":"250","value_num":250,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["Concentration (mg/kg dry weight) Residential/ parkland"],"cite":{"instrument":"ca_ccme_soil","title":"CCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table, as served 2026-09-24)","issuer":"Canadian Council of Ministers of the Environment (CCME)","edition":"Summary Table","source_url":"https://ccme.ca/en/results/176,177,178,1,2,287,3,4,5,6,7,179,8,174,9,10,12,180,14,181,182,183,15,16,17,300,19,20,21,289,242,23,24,295,27,28,194,288,59,60,61,63,62,184,65,66,67,69,70,71,72,73,74,80,81,216,291,30,31,32,41,47,42,48,113,114,169,171,170,185,110,83,77,78,283,79,109,104,52,53,290,85,76,86,100,87,88,89,234,91,154,93,94,96,99,186,187,97,102,112,292,40,119,125,293,121,188,122,123,124,126,127,129,131,239,233,189,135,130,133,136,137,138,107,29,297,103,51,235,190,139,140,141,143,144,146,147,148,39,58,284,161,302,303,162,191,294,163,164,165,167,168,172,173,175,101,192,193,196,197,198,199,201,217,202,203,204,207,218,208,209,115,36,37,38,45,299,106,56,57,211,212,213,214,215,221,222,108,151,236,33,34,35,43,44,298,55,105,54,152,223,153,219,225,226,296,229/ch/1,2,3,4/csv","source_sha256":"f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel_parc"}},{"id":"66a313825fbe7c9f","parameter":"Zinc","value":"410","value_num":410,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["Concentration (mg/kg dry weight) Commercial"],"cite":{"instrument":"ca_ccme_soil","title":"CCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table, as served 2026-09-24)","issuer":"Canadian Council of Ministers of the Environment (CCME)","edition":"Summary Table","source_url":"https://ccme.ca/en/results/176,177,178,1,2,287,3,4,5,6,7,179,8,174,9,10,12,180,14,181,182,183,15,16,17,300,19,20,21,289,242,23,24,295,27,28,194,288,59,60,61,63,62,184,65,66,67,69,70,71,72,73,74,80,81,216,291,30,31,32,41,47,42,48,113,114,169,171,170,185,110,83,77,78,283,79,109,104,52,53,290,85,76,86,100,87,88,89,234,91,154,93,94,96,99,186,187,97,102,112,292,40,119,125,293,121,188,122,123,124,126,127,129,131,239,233,189,135,130,133,136,137,138,107,29,297,103,51,235,190,139,140,141,143,144,146,147,148,39,58,284,161,302,303,162,191,294,163,164,165,167,168,172,173,175,101,192,193,196,197,198,199,201,217,202,203,204,207,218,208,209,115,36,37,38,45,299,106,56,57,211,212,213,214,215,221,222,108,151,236,33,34,35,43,44,298,55,105,54,152,223,153,219,225,226,296,229/ch/1,2,3,4/csv","source_sha256":"f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"commercial"}},{"id":"8c2f33feae6b4d8e","parameter":"Zinc","value":"410","value_num":410,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["Concentration (mg/kg dry weight) Industrial"],"cite":{"instrument":"ca_ccme_soil","title":"CCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table, as served 2026-09-24)","issuer":"Canadian Council of Ministers of the Environment (CCME)","edition":"Summary Table","source_url":"https://ccme.ca/en/results/176,177,178,1,2,287,3,4,5,6,7,179,8,174,9,10,12,180,14,181,182,183,15,16,17,300,19,20,21,289,242,23,24,295,27,28,194,288,59,60,61,63,62,184,65,66,67,69,70,71,72,73,74,80,81,216,291,30,31,32,41,47,42,48,113,114,169,171,170,185,110,83,77,78,283,79,109,104,52,53,290,85,76,86,100,87,88,89,234,91,154,93,94,96,99,186,187,97,102,112,292,40,119,125,293,121,188,122,123,124,126,127,129,131,239,233,189,135,130,133,136,137,138,107,29,297,103,51,235,190,139,140,141,143,144,146,147,148,39,58,284,161,302,303,162,191,294,163,164,165,167,168,172,173,175,101,192,193,196,197,198,199,201,217,202,203,204,207,218,208,209,115,36,37,38,45,299,106,56,57,211,212,213,214,215,221,222,108,151,236,33,34,35,43,44,298,55,105,54,152,223,153,219,225,226,296,229/ch/1,2,3,4/csv","source_sha256":"f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"1857ae7fbe802259","parameter":"Zinc","value":"Benchmark = exp(0.833[ln(hardness mg·L^-1)] + 0.240[ln(DOC mg·L^-1)] + 0.526).","unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["receiving_water is freshwater","short-term exposure: CCME's short-term benchmark"],"cite":{"instrument":"ca_ccme_wqg_aquatic","title":"CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life — freshwater and marine, short and long term","issuer":"Canadian Council of Ministers of the Environment (CCME)","edition":"Summary Table (as served 2026-09-24; each guideline carries its own year)","source_url":"https://ccme.ca/en/results/176,177,178,1,2,287,3,4,5,6,7,179,8,174,9,10,12,180,14,181,182,183,15,16,17,300,19,20,21,289,242,23,24,295,27,28,194,288,59,60,61,63,62,184,65,66,67,69,70,71,72,73,74,80,81,216,291,30,31,32,41,47,42,48,113,114,169,171,170,185,110,83,77,78,283,79,109,104,52,53,290,85,76,86,100,87,88,89,234,91,154,93,94,96,99,186,187,97,102,112,292,40,119,125,293,121,188,122,123,124,126,127,129,131,239,233,189,135,130,133,136,137,138,107,29,297,103,51,235,190,139,140,141,143,144,146,147,148,39,58,284,161,302,303,162,191,294,163,164,165,167,168,172,173,175,101,192,193,196,197,198,199,201,217,202,203,204,207,218,208,209,115,36,37,38,45,299,106,56,57,211,212,213,214,215,221,222,108,151,236,33,34,35,43,44,298,55,105,54,152,223,153,219,225,226,296,229/ch/1,2,3,4/csv","source_sha256":"f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"note":"douce_court_terme: the summary table prints 'Equation'; the expression is printed on https://ccme.ca/en/chemical/229: The short-term benchmark is for dissolved zinc and is calculated using the following equation: Benchmark = exp(0.833[ln(hardness mg·L^-1)] + 0.240[ln(DOC mg·L^-1)] + 0.526). / The benchmark equation is valid between hardness 13.8 and 250.5 mg CaCO3·L-1 and DOC 0.3 and 17.3 mg·L-1, which is the range of data used to derive the hardness and DOC slopes. Extrapolations should not be made above the upper hardness limit of 250.5 mg CaCO3·L-1 or above the upper DOC limit of 17.3 mg·L-1. For hardness below 13.8 mg CaCO3·L-1 or DOC below 0.3 mg·L-1, where users want a more stringent benchmark, they should extrapolate with caution and contact their local authority for advice. The short-term benchmark is for dissolved concentrations of zinc. Where guideline users have only water sample concentrations of total zinc, they should first compare these samples to the dissolved benchmark, and where there is an exceedance, re-sample for a dissolved concentration. Guidelines are expressed as two significant figures. | douce_long_terme: the summary table prints 'Equation'; the expression is printed on https://ccme.ca/en/chemical/229: The long-term CWQG is for dissolved zinc and is calculated using the following equation: CWQG = exp(0.947[ln(hardness mg·L^-1)] - 0.815[pH] + 0.398[ln(DOC mg·L^-1)] + 4.625). / The CWQG equation is valid between hardness 23.4 and 399 mg CaCO3·L−1, pH 6.5 and 8.13 and DOC 0.3 to 22.9 mg·L−1, which is the range of data used to derive the hardness, pH and DOC slopes. Extrapolations should not be made above the upper hardness limit of 399 mg CaCO3·L-1, above the upper DOC limit of 22.9 mg·L-1 or below the lower pH limit of 6.5. For hardness below 23.4 mg CaCO3·L-1, DOC below 0.3 mg·L-1 or pH above 8.13, where users want a more stringent WQG, they should extrapolate with caution and contact their local authority for advice. The long-term guideline is for dissolved concentrations of zinc. Where guideline users have only water sample concentrations of total zinc, they should first compare these samples to the dissolved guideline, and where there is an exceedance, re-sample for a dissolved concentration. Guidelines are expressed as two significant figures.","table":"eau_vie_aquatique","column":"douce_court_terme"}},{"id":"a905c52232eb91ae","parameter":"Zinc","value":"CWQG = exp(0.947[ln(hardness mg·L^-1)] - 0.815[pH] + 0.398[ln(DOC mg·L^-1)] + 4.625).","unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["receiving_water is freshwater","long-term exposure: CCME's long-term guideline"],"cite":{"instrument":"ca_ccme_wqg_aquatic","title":"CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life — freshwater and marine, short and long term","issuer":"Canadian Council of Ministers of the Environment (CCME)","edition":"Summary Table (as served 2026-09-24; each guideline carries its own year)","source_url":"https://ccme.ca/en/results/176,177,178,1,2,287,3,4,5,6,7,179,8,174,9,10,12,180,14,181,182,183,15,16,17,300,19,20,21,289,242,23,24,295,27,28,194,288,59,60,61,63,62,184,65,66,67,69,70,71,72,73,74,80,81,216,291,30,31,32,41,47,42,48,113,114,169,171,170,185,110,83,77,78,283,79,109,104,52,53,290,85,76,86,100,87,88,89,234,91,154,93,94,96,99,186,187,97,102,112,292,40,119,125,293,121,188,122,123,124,126,127,129,131,239,233,189,135,130,133,136,137,138,107,29,297,103,51,235,190,139,140,141,143,144,146,147,148,39,58,284,161,302,303,162,191,294,163,164,165,167,168,172,173,175,101,192,193,196,197,198,199,201,217,202,203,204,207,218,208,209,115,36,37,38,45,299,106,56,57,211,212,213,214,215,221,222,108,151,236,33,34,35,43,44,298,55,105,54,152,223,153,219,225,226,296,229/ch/1,2,3,4/csv","source_sha256":"f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"note":"douce_court_terme: the summary table prints 'Equation'; the expression is printed on https://ccme.ca/en/chemical/229: The short-term benchmark is for dissolved zinc and is calculated using the following equation: Benchmark = exp(0.833[ln(hardness mg·L^-1)] + 0.240[ln(DOC mg·L^-1)] + 0.526). / The benchmark equation is valid between hardness 13.8 and 250.5 mg CaCO3·L-1 and DOC 0.3 and 17.3 mg·L-1, which is the range of data used to derive the hardness and DOC slopes. Extrapolations should not be made above the upper hardness limit of 250.5 mg CaCO3·L-1 or above the upper DOC limit of 17.3 mg·L-1. For hardness below 13.8 mg CaCO3·L-1 or DOC below 0.3 mg·L-1, where users want a more stringent benchmark, they should extrapolate with caution and contact their local authority for advice. The short-term benchmark is for dissolved concentrations of zinc. Where guideline users have only water sample concentrations of total zinc, they should first compare these samples to the dissolved benchmark, and where there is an exceedance, re-sample for a dissolved concentration. Guidelines are expressed as two significant figures. | douce_long_terme: the summary table prints 'Equation'; the expression is printed on https://ccme.ca/en/chemical/229: The long-term CWQG is for dissolved zinc and is calculated using the following equation: CWQG = exp(0.947[ln(hardness mg·L^-1)] - 0.815[pH] + 0.398[ln(DOC mg·L^-1)] + 4.625). / The CWQG equation is valid between hardness 23.4 and 399 mg CaCO3·L−1, pH 6.5 and 8.13 and DOC 0.3 to 22.9 mg·L−1, which is the range of data used to derive the hardness, pH and DOC slopes. Extrapolations should not be made above the upper hardness limit of 399 mg CaCO3·L-1, above the upper DOC limit of 22.9 mg·L-1 or below the lower pH limit of 6.5. For hardness below 23.4 mg CaCO3·L-1, DOC below 0.3 mg·L-1 or pH above 8.13, where users want a more stringent WQG, they should extrapolate with caution and contact their local authority for advice. The long-term guideline is for dissolved concentrations of zinc. Where guideline users have only water sample concentrations of total zinc, they should first compare these samples to the dissolved guideline, and where there is an exceedance, re-sample for a dissolved concentration. Guidelines are expressed as two significant figures.","table":"eau_vie_aquatique","column":"douce_long_terme"}},{"id":"bf9d074471595164","parameter":"Zinc","value":"≤ 5.0","value_num":5,"unit":"mg/L","direction":"max","kind":"objective","medium":"drinking_water","level":"national","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["drinking water (a guideline, not a regulation: each province and territory decides whether, and how, it binds there)"],"cite":{"instrument":"ca_hc_gcdwq","title":"Health Canada — Guidelines for Canadian Drinking Water Quality, Summary Tables 1-3 (microbiological, chemical and physical, radiological)","issuer":"Health Canada, with the Federal-Provincial-Territorial Committee on Drinking Water","edition":"page modified 2026-01-21 (dcterms.modified; issued 2014-10-22): Tables 1-3 as the browser pane rendered them on 2026-10-15","source_url":"https://www.canada.ca/en/health-canada/services/environmental-workplace-health/reports-publications/water-quality/guidelines-canadian-drinking-water-quality-summary-table.html","source_sha256":"9451ad8bfa566c0625ae4fcb362272cbb0e20040c548540f362488118c300b89","fetched_at":"2026-10-15","section":"Table 2, Chemical and Physical Parameters (Zinc, published or reaffirmed 1979, 2005)","page":null,"quote":"I Zinc (1979, 2005) None AO: ≤ 5.0"}},{"id":"b0eab863aeffa0ec","parameter":"Zinc","value":"0.40 mg/L","value_num":0.4,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["cites is MDMER","route is direct","a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))","a mine to which the Regulations apply for the first time on or after June 1, 2021, or a recognized closed mine that returns to commercial operation on or after that day (s. 4(1)(a)(i))"],"cite":{"instrument":"ca_mdmer","title":"Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations","issuer":"Government of Canada (Fisheries Act; Environment and Climate Change Canada)","edition":"Justice Laws Website, current to 2026-09-21","source_url":"https://laws-lois.justice.gc.ca/eng/regulations/SOR-2002-222/FullText.html","source_sha256":"2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Schedule 4, Table 1 — Column 2: maximum authorized monthly mean concentration","page":null,"quote":"6 Zinc 0.40 mg/L 0.60 mg/L 0.80 mg/L"}},{"id":"5d7d4a5dd88f34e0","parameter":"Zinc","value":"0.60 mg/L","value_num":0.6,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["cites is MDMER","route is direct","a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))","a mine to which the Regulations apply for the first time on or after June 1, 2021, or a recognized closed mine that returns to commercial operation on or after that day (s. 4(1)(a)(i))"],"cite":{"instrument":"ca_mdmer","title":"Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations","issuer":"Government of Canada (Fisheries Act; Environment and Climate Change Canada)","edition":"Justice Laws Website, current to 2026-09-21","source_url":"https://laws-lois.justice.gc.ca/eng/regulations/SOR-2002-222/FullText.html","source_sha256":"2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Schedule 4, Table 1 — Column 3: maximum authorized concentration in a composite sample","page":null,"quote":"6 Zinc 0.40 mg/L 0.60 mg/L 0.80 mg/L"}},{"id":"2e39e51123bc268b","parameter":"Zinc","value":"0.80 mg/L","value_num":0.8,"unit":"mg/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["cites is MDMER","route is direct","a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))","a mine to which the Regulations apply for the first time on or after June 1, 2021, or a recognized closed mine that returns to commercial operation on or after that day (s. 4(1)(a)(i))"],"cite":{"instrument":"ca_mdmer","title":"Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations","issuer":"Government of Canada (Fisheries Act; Environment and Climate Change Canada)","edition":"Justice Laws Website, current to 2026-09-21","source_url":"https://laws-lois.justice.gc.ca/eng/regulations/SOR-2002-222/FullText.html","source_sha256":"2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Schedule 4, Table 1 — Column 4: maximum authorized concentration in a grab sample","page":null,"quote":"6 Zinc 0.40 mg/L 0.60 mg/L 0.80 mg/L"}},{"id":"3994a7505b86fde1","parameter":"Zinc","value":"0.50 mg/L","value_num":0.5,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["cites is MDMER","route is direct","a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))","any other mine (s. 4(1)(a)(ii))"],"cite":{"instrument":"ca_mdmer","title":"Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations","issuer":"Government of Canada (Fisheries Act; Environment and Climate Change Canada)","edition":"Justice Laws Website, current to 2026-09-21","source_url":"https://laws-lois.justice.gc.ca/eng/regulations/SOR-2002-222/FullText.html","source_sha256":"2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Schedule 4, Table 2 — Column 2: maximum authorized monthly mean concentration","page":null,"quote":"6 Zinc 0.50 mg/L 0.75 mg/L 1.00 mg/L"}},{"id":"39a74f42c047de00","parameter":"Zinc","value":"0.75 mg/L","value_num":0.75,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["cites is MDMER","route is direct","a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))","any other mine (s. 4(1)(a)(ii))"],"cite":{"instrument":"ca_mdmer","title":"Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations","issuer":"Government of Canada (Fisheries Act; Environment and Climate Change Canada)","edition":"Justice Laws Website, current to 2026-09-21","source_url":"https://laws-lois.justice.gc.ca/eng/regulations/SOR-2002-222/FullText.html","source_sha256":"2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Schedule 4, Table 2 — Column 3: maximum authorized concentration in a composite sample","page":null,"quote":"6 Zinc 0.50 mg/L 0.75 mg/L 1.00 mg/L"}},{"id":"c2f93d95759e43ba","parameter":"Zinc","value":"1.00 mg/L","value_num":1,"unit":"mg/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-66-6","place":["CA"],"conditions":["cites is MDMER","route is direct","a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))","any other mine (s. 4(1)(a)(ii))"],"cite":{"instrument":"ca_mdmer","title":"Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations","issuer":"Government of Canada (Fisheries Act; Environment and Climate Change Canada)","edition":"Justice Laws Website, current to 2026-09-21","source_url":"https://laws-lois.justice.gc.ca/eng/regulations/SOR-2002-222/FullText.html","source_sha256":"2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Schedule 4, Table 2 — Column 4: maximum authorized concentration in a grab sample","page":null,"quote":"6 Zinc 0.50 mg/L 0.75 mg/L 1.00 mg/L"}}],"next":[{"tool":"check_values","says":"Has your user measured this? check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"CA-QC"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"zinc\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check"},{"tool":"read_certificate","says":"Has your user a laboratory certificate? read_certificate reads every row it prints, each with its page, and checks them against these limits.","arguments":{"place":"CA-QC"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}