{"query":{"parameter":"copper","place":"MX","medium":null,"statistic":null,"kind":null},"searched":{"places":["MX"],"parameter_keys":["cas:7440-50-8","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","cas:68512-13-0","cas:544-92-3","name:copper - total","name:copper, total","name:total copper","name:copper, total recoverable","name:cuivre extractible"],"names_matched":[["copper","cas:7440-50-8"],["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"],["copper 29h 31h phthalocyaninato 2 kappa n29 kappa n30 kappa n31 kappa n32 brominated chlorinated","cas:68512-13-0"],["copper cyanide","cas:544-92-3"],["copper cyanide cu cn","cas:544-92-3"],["copper cyanide cucn","cas:544-92-3"],["copper i cyanide","cas:544-92-3"],["copper total","name:copper - total"],["copper total","name:copper, total"],["copper total","name:total copper"],["copper total recoverable","name:copper, total recoverable"],["total copper","name:copper - total"],["total copper","name:copper, total"],["total copper","name:total copper"],["total copper freshwater","name:total copper"],["total copper marine","name:total copper"],["total recoverable copper","name:copper, total recoverable"],["cuivre extractible","name:cuivre extractible","cuivre"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":19,"offset":0,"returned":19,"next_offset":null,"rows":[{"id":"04076e73f528d83b","parameter":"Cobre","value":"4","value_num":4,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-50-8","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Ríos, arroyos, canales, drenes"],"cite":{"instrument":"mx_nom001_semarnat_2021","title":"NOM-001-SEMARNAT-2021 — límites permisibles de contaminantes en las descargas de aguas residuales en cuerpos receptores propiedad de la nación: Tabla 1 (contaminantes básicos) and Tabla 2 (metales y cianuros)","issuer":"Secretaría de Medio Ambiente y Recursos Naturales (SEMARNAT), Estados Unidos Mexicanos","edition":"DOF 11/03/2022 (in force 365 days after publication; 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