{"id":988801,"date":"2026-05-07T20:36:24","date_gmt":"2026-05-07T20:36:24","guid":{"rendered":"https:\/\/palegreen-hyena-800612.hostingersite.com\/?page_id=988801"},"modified":"2026-05-24T21:45:11","modified_gmt":"2026-05-24T21:45:11","slug":"wastewater-sewage-sludge","status":"publish","type":"page","link":"https:\/\/oikoslab.pl\/en\/services\/environmental-testing\/wastewater-sewage-sludge\/","title":{"rendered":"Wastewater &#038; Sewage Sludge Testing"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"988801\" class=\"elementor elementor-988801\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-10898f4 e-flex e-con-boxed e-con e-parent\" data-id=\"10898f4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-499a4ce animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"499a4ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Accredited Wastewater &amp; Sewage Sludge Analysis<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-38606a2 animated-fast elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"38606a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:300}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Discharging wastewater to water bodies or to land requires a water law permit that specifies permissible wastewater parameters and the obligation for regular monitoring. Operators of municipal and industrial wastewater treatment plants, production facilities with their own treatment systems, and entities discharging stormwater are required to document wastewater quality with results from an accredited laboratory. OIKOS performs analyses under PCA accreditation No. AB 934 (PN-EN ISO\/IEC 17025), with results accepted by WIO\u015a, RZGW and other authorities in water law proceedings.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-89fa191 e-flex e-con-boxed e-con e-parent\" data-id=\"89fa191\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-19510f5 e-con-full e-flex e-con e-child\" data-id=\"19510f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4200069 elementor-widget__width-initial elementor-widget elementor-widget-spacer\" data-id=\"4200069\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-09eca53 elementor-widget__width-initial elementor-widget elementor-widget-spacer\" data-id=\"09eca53\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1d6a0d elementor-widget__width-initial animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"b1d6a0d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:100}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Why OIKOS for Wastewater Testing<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-1a02dce elementor-widget__width-initial animated-fast elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"1a02dce\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Five reasons our wastewater and sewage sludge testing stands out \u2014 full coverage from one accredited partner:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eb3c9c9 e-con-full e-flex e-con e-child\" data-id=\"eb3c9c9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-68567b5 e-con-full animated-fast vamtam-has-theme-cp vamtam-cp-top-left e-flex elementor-invisible e-con e-child\" data-id=\"68567b5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation_delay&quot;:450,&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bb7da35 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"bb7da35\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Full wastewater category coverage \u2014 industrial, municipal, domestic, stormwater \u2014 one accredited partner<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Sewage sludge testing using reference methods on representative samples of municipal sewage sludge \u2014 essential for wastewater treatment plants<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">AB 934 (PN-EN ISO\/IEC 17025) accreditation \u2014 results accepted by WIO\u015a, RZGW and other authorities in water law proceedings<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Results for legally regulated areas \u2014 parameter scope tailored to the conditions of your water law permit<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">35 years of experience serving wastewater treatment plants, industrial facilities and local governments<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-84d6d9c e-flex e-con-boxed e-con e-parent\" data-id=\"84d6d9c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fbbb0dd elementor-widget__width-initial animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"fbbb0dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:100}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">All Wastewater Categories \u2014 Plus Sewage Sludge<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-9b0a4df animated-fast elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"9b0a4df\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>OIKOS carries out accredited physicochemical and biological analyses of all wastewater categories: <strong>industrial<\/strong> (from technological processes), <strong>municipal<\/strong> (from sewerage systems), <strong>domestic<\/strong> (from buildings, campuses, facilities) and <strong>rainwater and meltwater<\/strong>. The parameter scope is tailored to water law permit requirements or to the conditions of the wastewater discharge agreement.<\/p><p>For municipal wastewater treatment plants, we carry out <strong>sewage sludge testing<\/strong> using reference methods on representative samples \u2014 to the extent required by municipal sewage sludge regulations. Results are issued as an accredited test report, ready for regulatory reporting.<\/p><p>Operating since 1988, OIKOS has been carrying out wastewater and sewage sludge testing for over 35 years for municipal and industrial treatment plants, production facilities and local governments. Over 1,000 clients with two thirds returning regularly. Part of the European viridiusLAB AG network.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-06d8ebd e-flex e-con-boxed e-con e-parent\" data-id=\"06d8ebd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-414a21b elementor-widget elementor-widget-heading\" data-id=\"414a21b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Methods &amp; Instruments<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c623ec7 e-con-full e-flex e-con e-child\" data-id=\"c623ec7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-8387ee2 e-con-full e-flex e-con e-child\" data-id=\"8387ee2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8a11e5b e-con-full e-flex e-con e-child\" data-id=\"8a11e5b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-176ed66 elementor-widget elementor-widget-heading\" data-id=\"176ed66\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Methods<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e0da579 e-con-full e-flex e-con e-child\" data-id=\"e0da579\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-b68f029 elementor-widget elementor-widget-text-editor\" data-id=\"b68f029\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Physicochemical analysis of wastewater and sludge: IC, HPLC-UV, MP-AES, UV-VIS spectrophotometry, gravimetry, BOD5, COD, total suspended solids.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b792f80 e-con-full e-flex e-con e-child\" data-id=\"b792f80\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e3a26ff e-con-full e-flex e-con e-child\" data-id=\"e3a26ff\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-31a0ce5 elementor-widget elementor-widget-heading\" data-id=\"31a0ce5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Instruments<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-28a05d7 e-con-full e-flex e-con e-child\" data-id=\"28a05d7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-306327c elementor-widget elementor-widget-text-editor\" data-id=\"306327c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Chromatographs, MP-AES, spectrophotometer, oximeter, drying oven, muffle furnace, automated BOD analyser.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-47817dc e-con-full e-flex e-con e-child\" data-id=\"47817dc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-bfca87c e-con-full e-flex e-con e-child\" data-id=\"bfca87c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-64d0529 elementor-widget elementor-widget-heading\" data-id=\"64d0529\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Reference documents<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-04d9a6c e-con-full e-flex e-con e-child\" data-id=\"04d9a6c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-4a5643d elementor-widget elementor-widget-text-editor\" data-id=\"4a5643d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>PN-EN ISO 5667-10 (wastewater sampling); MMME regulation on wastewater; PN-ISO 6060 (COD); PN-EN 1899 (BOD).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3088fa3 e-flex e-con-boxed e-con e-parent\" data-id=\"3088fa3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5f6e676 elementor-widget__width-auto elementor-mobile-position-inline-end animated-fast elementor-view-default elementor-position-block-start elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"5f6e676\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:50}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-title-dec\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h6 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tFAQ\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h6>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c02da42 elementor-widget__width-initial animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"c02da42\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:100}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Wastewater Testing Questions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-92e21c0 animated-fast vamtam-has-icon-theme-styles elementor-invisible elementor-widget elementor-widget-n-accordion\" data-id=\"92e21c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1540\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1540\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What parameters are required in industrial wastewater discharge permits? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1540\" class=\"elementor-element elementor-element-d2c3909 e-con-full e-flex e-con e-child\" data-id=\"d2c3909\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7013b3f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7013b3f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-0544cb7 elementor-widget elementor-widget-text-editor\" data-id=\"0544cb7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Parameters specified in industrial wastewater discharge permits typically include: BOD5, COD, total suspended solids, pH, total nitrogen, total phosphorus, and industry-specific parameters (heavy metals, mineral oils, specific organic compounds). The exact scope arises from the conditions of your specific permit \u2014 please share it with us so we can prepare a tailored quote.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1541\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1541\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> How is sewage sludge testing used? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1541\" class=\"elementor-element elementor-element-b68e02d e-con-full e-flex e-con e-child\" data-id=\"b68e02d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c27f4d0 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"c27f4d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-a067cee elementor-widget elementor-widget-text-editor\" data-id=\"a067cee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sewage sludge testing is required from municipal wastewater treatment plants to characterise sludge properties before disposal (agricultural use, composting, landfilling). Regulations specify permissible heavy metal content and pathogen levels in sludge applied to land. OIKOS carries out physicochemical sludge testing using reference methods on representative samples, in accordance with legal requirements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1542\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1542\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> How often must wastewater be tested? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1542\" class=\"elementor-element elementor-element-1aa46f5 e-con-full e-flex e-con e-child\" data-id=\"1aa46f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8ff53e7 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"8ff53e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-6b82ab7 elementor-widget elementor-widget-text-editor\" data-id=\"6b82ab7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The frequency of wastewater testing is defined by the water law permit or by the wastewater reception agreement. For industrial plants it is typically monthly or quarterly. For municipal wastewater treatment plants it is regulated by ordinance depending on capacity. Contact us with a copy of your permit \u2014 we will help establish the appropriate testing schedule.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9378a7e e-flex e-con-boxed e-con e-parent\" data-id=\"9378a7e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-623f7ef elementor-widget__width-initial animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"623f7ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:100}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Need accredited wastewater or sewage sludge testing?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-e9d08f5 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"e9d08f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"\/en\/inquiry\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request a Quote<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Accredited physicochemical and biological analysis of industrial, municipal, domestic and stormwater wastewater and sewage sludge \u2014 results ready for submission under water law permits and environmental reporting.<\/p>\n","protected":false},"author":1,"featured_media":989557,"parent":987816,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seowing_meta_title":"Wastewater & Sewage Sludge Analysis | OIKOS","_seowing_meta_description":"Accredited analysis of industrial, municipal and stormwater wastewater plus sewage sludge: BOD5, COD, suspended solids, metals and organics.","_seowing_focus_keyword":"wastewater analysis","_seowing_canonical_url":"","_seowing_robots":"","_seowing_robots_noindex":false,"_seowing_robots_nofollow":false,"_seowing_seo_score":45,"footnotes":""},"class_list":["post-988801","page","type-page","status-publish","has-post-thumbnail","hentry"],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/pages\/988801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/comments?post=988801"}],"version-history":[{"count":59,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/pages\/988801\/revisions"}],"predecessor-version":[{"id":990264,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/pages\/988801\/revisions\/990264"}],"up":[{"embeddable":true,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/pages\/987816"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/media\/989557"}],"wp:attachment":[{"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/media?parent=988801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}