{"query":{"parameter":"demanda quimica de oxigeno","place":"MX","medium":null,"statistic":null,"kind":null},"searched":{"places":["MX"],"parameter_keys":["name:chemical oxygen demand","name:cod","name:dco"],"names_matched":[["demanda quimica de oxigeno","name:chemical oxygen demand"],["demanda quimica de oxigeno","name:cod"],["demanda quimica de oxigeno","name:dco"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":18,"offset":0,"returned":18,"next_offset":null,"rows":[{"id":"622ac0807c677667","parameter":"Demanda Química de Oxígeno","value":"150","value_num":150,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:chemical oxygen demand","place":["MX"],"conditions":["route is direct","receiving_water is freshwater","cuerpo receptor: Ríos, arroyos, canales, drenes","* Si Cloruros es menor a 1000 mg/L se analiza y reporta DQO."],"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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