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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/20: The short-term benchmark concentration of 1.0 µg·L^-1 is for waters of 50 mg CaCO3·L^-1 hardness. / The short-term benchmark for cadmium is related to water hardness (as CaCO3): / When the water hardness is 0 to < 5.3 mg/L, the short-term benchmark is 0.11 μg/L / At hardness ≥ 5.3 to ≤ 360 mg/L, the short-term benchmark is calculated using this equation (see calculator below) / Short-term benchmark (μg/L) = 10^{1.016(log[hardness]) – 1.71 } / At hardness > 360 mg/L, the short-term benchmark is 7.7 μg/L | douce_long_terme: the summary table prints 'Equation'; the expression is printed on https://ccme.ca/en/chemical/20: The CWQG for cadmium (i.e. long-term guideline) of 0.09 µg·L^-1 is for waters of 50 mg CaCO3·L^-1 hardness. / The CWQG for cadmium is related to water hardness (as CaCO3): / When the water hardness 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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/20: The short-term benchmark concentration of 1.0 µg·L^-1 is for waters of 50 mg CaCO3·L^-1 hardness. / The short-term benchmark for cadmium is related to water hardness (as CaCO3): / When the water hardness is 0 to < 5.3 mg/L, the short-term benchmark is 0.11 μg/L / At hardness ≥ 5.3 to ≤ 360 mg/L, the short-term benchmark is calculated using this equation (see calculator below) / Short-term benchmark (μg/L) = 10^{1.016(log[hardness]) – 1.71 } / At hardness > 360 mg/L, the short-term benchmark is 7.7 μg/L | douce_long_terme: the summary table prints 'Equation'; the expression is printed on https://ccme.ca/en/chemical/20: The CWQG for cadmium (i.e. long-term guideline) of 0.09 µg·L^-1 is for waters of 50 mg CaCO3·L^-1 hardness. / The CWQG for cadmium is related to water hardness (as CaCO3): / When the water hardness is > 0 to < 17 mg/L, the CWQG is 0.04 μg/L / At hardness ≥ 17 to ≤ 280 mg/L, the CWQG is calculated using this equation (see calculator below) / CWQG (μg/L) = 10^{0.83(log[hardness]) – 2.46 } / At hardness > 280 mg/L, the CWQG is 0.37 μg/L","table":"eau_vie_aquatique","column":"douce_long_terme"}},{"id":"1a7f89118bc0a197","parameter":"Cadmium","value":"0.007","value_num":0.007,"unit":"mg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:7440-43-9","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 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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/20: The short-term benchmark concentration of 1.0 µg·L^-1 is for waters of 50 mg CaCO3·L^-1 hardness. / The short-term benchmark for cadmium is related to water hardness (as CaCO3): / When the water hardness is 0 to < 5.3 mg/L, the short-term benchmark is 0.11 μg/L / At hardness ≥ 5.3 to ≤ 360 mg/L, the short-term benchmark is calculated using this equation (see calculator below) / Short-term benchmark (μg/L) = 10^{1.016(log[hardness]) – 1.71 } / At hardness > 360 mg/L, the short-term benchmark is 7.7 μg/L | douce_long_terme: the summary table prints 'Equation'; the expression is printed on https://ccme.ca/en/chemical/20: The CWQG for cadmium (i.e. long-term guideline) of 0.09 µg·L^-1 is for waters of 50 mg CaCO3·L^-1 hardness. / The CWQG for cadmium is related to water hardness (as CaCO3): / When the water hardness is > 0 to < 17 mg/L, the CWQG is 0.04 μg/L / At hardness ≥ 17 to ≤ 280 mg/L, the CWQG is calculated using this equation (see calculator below) / CWQG (μg/L) = 10^{0.83(log[hardness]) – 2.46 } / At hardness > 280 mg/L, the CWQG is 0.37 μg/L","table":"eau_vie_aquatique","column":"marine_long_terme"}}],"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-AB"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"cadmium\", 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-AB"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or 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