{"id":959,"date":"2018-06-21T13:43:20","date_gmt":"2018-06-21T13:43:20","guid":{"rendered":"https:\/\/www.ampac1.com\/blog\/determining-the-presence-of-chemicals-with-suspected-endocrine-activity-in-drinking-water-from-the-madrid-region-spain-and-assessment-of-their-estrogenic-androgenic-and-thyroidal-activities\/"},"modified":"2026-04-25T10:20:47","modified_gmt":"2026-04-25T10:20:47","slug":"determining-the-presence-of-chemicals-with-suspected-endocrine-activity-in-drinking-water-from-the-madrid-region-spain-and-assessment-of-their-estrogenic-androgenic-and-thyroidal-activities","status":"publish","type":"post","link":"https:\/\/www.ampac1.com\/blog\/determining-the-presence-of-chemicals-with-suspected-endocrine-activity-in-drinking-water-from-the-madrid-region-spain-and-assessment-of-their-estrogenic-androgenic-and-thyroidal-activities\/","title":{"rendered":"Determining the presence of chemicals with suspected endocrine activity in drinking water from the Madrid region (Spain) and assessment of their estrogenic, androgenic and thyroidal activities"},"content":{"rendered":"
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Endocrine Disrupting Chemicals Drinking Water<\/strong> is a critical aspect of modern water treatment. AMPAC USA provides industry-leading solutions that ensure safe, clean water for residential, commercial, and industrial applications. Our systems are engineered for maximum contaminant removal and long-term reliability.<\/p>\n<\/div>\n

Valcarcel, Y.; Valdehita, A.; Becerra, E.; Alda, M. L. de; Gil, A.; Gorga, M.; Petrovic, M.; Barcelo, D.; Navas, J. M.<\/span><\/span><\/p>\n

Chemosphere, 201 388-398;\u00a0<\/span>10.1016\/j.chemosphere.2018.02.099<\/u><\/span><\/span><\/span><\/a>\u00a02018<\/span><\/span><\/p>\n

Abstract<\/h2>\n
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Endocrine disruptors<\/a>\u00a0(EDs) are natural or man-made chemicals that can affect the health of organisms by interfering with their normal hormonal functions. Many of these substances can cause their effects at very low doses and, considering the key role played by the\u00a0endocrine system<\/a>\u00a0on development, organisms in early phases of growth (foetal, childhood, puberty) are especially sensitive to the action of EDs. In addition, when combined, they can show additive, antagonistic and synergistic activities. Taking all this into account it is essential to determine the presence of this kind of compounds in drinking water. Thus the main aim of the present study was to monitor the presence of substances with suspected or known endocrine activity in drinking water of the Madrid Region (MR) (Central Spain) and determine possible estrogenic, androgenic, or thyroidal activities. Water samples were collected at different times from a number of supply points that received water from reservoirs or rivers. The sampling point with the highest concentration of the analysed substances (up to 30 compounds) was DW1 (1203\u202fng\u202fL\u22121<\/sup>). This sampling point receives water from a\u00a0drinking water treatment<\/a>\u00a0plant (DWTP) that serves the population from the south of the MR with treated water from the Taju\u00f1a River. DW2 was the second point with the highest concentration of the analysed substances (1021\u202fng\u202fL\u22121<\/sup>). DW2 receives water from one of the reservoirs in the north of the MR. The highest daily concentrations detected corresponded to the\u00a0flame retardant\u00a0Tris (2-chloroethyl)phosphate (TCEP) (266.55\u202fng\u202fL\u22121<\/sup>) and to the nonylphenol diethoxylate (188.57\u00a0ng\u202fL\u22121<\/sup>) at points DW1 and DW4, respectively, both of which are supplied with treated\u00a0river water<\/a>. None of the water samples exhibited androgenic, oestrogenic, or thyroidal activities in\u00a0in\u00a0vitro<\/em>\u00a0assays based on cells stably transfected with the receptors of interest and luciferase as reporter gene. These results demonstrate that water quality in the MR is high and does not present a health risk for the population, although the concentrations of some substances justify the need for local authorities to continually monitor the presence of these contaminants in order to implement any corrective measures if necessary.<\/p>\n

https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0045653518303084?via%3Dihub<\/p>\n<\/div>\n

The post Determining the presence of chemicals with suspected endocrine activity in drinking water from the Madrid region (Spain) and assessment of their estrogenic, androgenic and thyroidal activities appeared first on Facts About Water.<\/p>\n

Source: Water Feed<\/p>\n

<\/p>\n

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What flow rates are available for emergency water treatment?<\/h3>\n
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AMPAC USA's emergency systems range from 1,500 GPD portable units to 50,000+ GPD trailer-mounted systems. Military-specification units are available for forward operating base deployment, producing potable water meeting EPA and WHO drinking water standards from virtually any source.<\/p>\n<\/div>\n<\/div>\n

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Are emergency RO systems suitable for disaster relief operations?<\/h3>\n
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Yes. AMPAC USA's emergency systems are used by FEMA, the U.S. military, and international NGOs for disaster relief. They treat flood water, contaminated groundwater, and brackish sources, removing bacteria, viruses, and chemical contaminants to produce safe drinking water on-site.<\/p>\n<\/div>\n<\/div>\n

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What power sources can emergency water purification systems use?<\/h3>\n
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AMPAC USA's emergency systems can run on generator power (120\/240V or 480V 3-phase), solar panels with battery backup, or vehicle power take-off (PTO). Low-power models consume as little as 0.5 kW, making them viable for off-grid deployment.<\/p>\n<\/div>\n<\/div>\n

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How durable are military-grade water purification systems?<\/h3>\n
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AMPAC USA's military systems are built to MIL-SPEC standards with stainless steel frames, powder-coated components, and UV-resistant materials. They are designed to operate in temperatures from -20\u00b0F to 120\u00b0F and are vibration-tested for transport in military vehicles.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

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Conclusion<\/h2>\n

This post highlighted how emergency and military-grade water purification systems provide safe drinking water rapidly in the most challenging field conditions. For organizations requiring deployable water treatment capability, AMPAC USA engineers portable and trailer-mounted systems built to perform wherever they are needed. Contact our team at info@ampac1.com or (909) 548-4900 to discuss your emergency water treatment requirements.<\/p>\n<\/div>\n

Understanding Endocrine Disrupting Chemicals Drinking Water<\/h2>\n

Water quality directly impacts health, productivity, and equipment longevity. Endocrine Disrupting Chemicals Drinking Water represents one of the most important considerations for facility managers and homeowners alike. AMPAC USA engineers water treatment systems that address the full spectrum of contaminants\u2014from dissolved solids and heavy metals to biological threats and emerging compounds.<\/p>\n

Reverse osmosis technology forms the core of most advanced water treatment applications. RO membranes reject up to 99% of dissolved contaminants, including lead, arsenic, nitrates, fluoride, and chlorine byproducts. The semipermeable membrane allows only water molecules to pass, resulting in exceptionally pure water at the point of use.<\/p>\n

System sizing depends on daily volume requirements, source water TDS, temperature, and recovery rate targets. Industrial systems range from 500 GPD to multi-million GPD capacity, while residential units typically operate at 50\u2013200 GPD. Proper pre-treatment\u2014including sediment filtration, activated carbon, and antiscalant dosing\u2014extends membrane life and maintains peak performance. Regular monitoring of TDS rejection, pressure differential, and flow rate ensures systems operate within design parameters.<\/p>\n

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Frequently Asked Questions<\/h2>\n
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What is endocrine disrupting chemicals drinking water?<\/h3>\n
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Endocrine disrupting chemicals drinking water refers to the technology and processes used to ensure water meets safety and quality standards for drinking, industrial, and environmental use. Reverse osmosis and advanced filtration are core methods.<\/p>\n<\/div>\n<\/div>\n

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How does reverse osmosis improve water quality?<\/h3>\n
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Reverse osmosis forces water through a semipermeable membrane that blocks dissolved salts, heavy metals, bacteria, and other contaminants\u2014delivering water with TDS as low as 5\u201310 ppm compared to tap water at 150\u2013500 ppm.<\/p>\n<\/div>\n<\/div>\n

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What contaminants does RO remove?<\/h3>\n
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RO systems remove lead, arsenic, nitrates, fluoride, chlorine, VOCs, bacteria, and most dissolved solids\u2014providing comprehensive protection against regulated and emerging contaminants.<\/p>\n<\/div>\n<\/div>\n

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How often should RO filters be replaced?<\/h3>\n
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Pre-filters (sediment and carbon) should be replaced every 6\u201312 months. RO membranes typically last 2\u20135 years depending on source water quality and system usage. Annual TDS testing confirms membrane performance.<\/p>\n<\/div>\n<\/div>\n

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Is AMPAC USA a reliable water treatment provider?<\/h3>\n
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AMPAC USA has over 25 years of experience designing and manufacturing commercial, industrial, and residential water treatment systems. All systems meet NSF\/ANSI standards and are backed by technical support and extended warranties.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Endocrine disruptors\u00a0(EDs) are natural or man-made chemicals that can affect the health of organisms by interfering with their normal hormonal functions.<\/p>\n","protected":false},"author":1,"featured_media":87961,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[24],"tags":[22],"class_list":["post-959","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-water-filter","tag-ro"],"_links":{"self":[{"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/posts\/959","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/comments?post=959"}],"version-history":[{"count":5,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/posts\/959\/revisions"}],"predecessor-version":[{"id":88828,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/posts\/959\/revisions\/88828"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/media\/87961"}],"wp:attachment":[{"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/media?parent=959"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/categories?post=959"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ampac1.com\/blog\/wp-json\/wp\/v2\/tags?post=959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}