{"id":332994,"date":"2026-04-05T13:10:26","date_gmt":"2026-04-05T04:10:26","guid":{"rendered":"https:\/\/dei.so\/?p=332994"},"modified":"2026-08-10T18:29:27","modified_gmt":"2026-08-10T09:29:27","slug":"epd-verification-mistakes-how-to-avoid","status":"publish","type":"post","link":"https:\/\/dei.so\/es\/epd-verification-mistakes-how-to-avoid\/","title":{"rendered":"Principales errores de EPD verificaci\u00f3n y c\u00f3mo evitarlos antes de la presentaci\u00f3n"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"332994\" class=\"elementor elementor-332994\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7cb042e e-flex e-con-boxed e-con e-parent\" data-id=\"7cb042e\" 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-49d7716 elementor-widget elementor-widget-html\" data-id=\"49d7716\" data-element_type=\"widget\" data-e-type=\"widget\" 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!important;font-size:38px;line-height:1.25;letter-spacing:-0.5px;color:#1a1a1a !important;font-weight:700;margin:0 0 18px 0 !important;}\r\n.deiso-epd15-b1 h2{font-family:'Jost', sans-serif !important;font-size:28px;line-height:1.3;letter-spacing:-0.3px;color:#1a1a1a !important;font-weight:600;margin:0 0 14px 0;}\r\n.deiso-epd15-b1 h3{font-family:'Jost', sans-serif !important;font-size:19px;line-height:1.35;letter-spacing:-0.2px;color:#1a1a1a !important;font-weight:600;margin:0 0 10px 0;}\r\n.deiso-epd15-b1 p{font-size:17px;line-height:1.75;color:#475569 !important;font-weight:400;margin:0 0 16px 0;}\r\n.deiso-epd15-b1 p:last-child{margin-bottom:0;}\r\n.deiso-epd15-b1 p strong{color:#1a1a1a !important;font-weight:600;}\r\n\r\n.deiso-epd15-b1 .mistake-card{display:flex;align-items:flex-start;gap:18px;background:#f7fafc !important;border:1px solid rgba(26,26,26,0.08) !important;border-radius:18px;padding:28px 28px !important;margin-top:18px;}\r\n.deiso-epd15-b1 .mistake-badge{flex:0 0 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.mistake-card{flex-direction:column;gap:14px;padding:22px 20px !important;border-radius:14px;}\r\n  .deiso-epd15-b1 .mistake-badge{width:36px;height:36px;border-radius:11px;font-size:15px;}\r\n  .deiso-epd15-b1 .mistake-body p,.deiso-epd15-b1 .fix-panel p{font-size:15.5px;}\r\n}\r\n<\/style>\r\n\r\n<div class=\"block-outer\">\r\n<div class=\"block-card\">\r\n\r\n  <div class=\"card-cover\">\r\n    <a class=\"cover-link\" href=\"https:\/\/dei.so\/wp-content\/uploads\/2026\/04\/EPD_Mistakes_DEISO.jpg\">\r\n      <img decoding=\"async\" src=\"https:\/\/dei.so\/wp-content\/uploads\/2026\/04\/EPD_Mistakes_DEISO.jpg\" alt=\"15 errores de EPD que retrasan la verificaci\u00f3n\" loading=\"eager\" \/>\r\n    <\/a>\r\n  <\/div>\r\n\r\n  <div class=\"block-section\">\r\n    <span class=\"block-eyebrow\">Gu\u00eda t\u00e9cnica<\/span>\r\n    <h1>15 EPD errores que retrasan la verificaci\u00f3n, generan correcciones y reducen la calidad de la presentaci\u00f3n<\/h1>\r\n    <p>Environmental Product Declarations rarely run into verification problems because the framework is unclear. In most cases the problem is execution &mdash; weak modelling logic, incomplete documentation, inconsistent interpretation of PCR requirements, and poor data governance.<\/p>\r\n    <p>A continuaci\u00f3n se presenta una lista estructurada de <strong>15 errores cr\u00edticos<\/strong> that undermine EPD submissions, each with practical guidance on avoiding it before the verifier finds it for you.<\/p>\r\n  <\/div>\r\n\r\n  <div class=\"block-section\">\r\n    <span class=\"block-eyebrow\">Errores 1\u20134<\/span>\r\n    <h2>Resultados, reglas, documentaci\u00f3n y l\u00edmites<\/h2>\r\n\r\n    <div class=\"mistake-card\">\r\n      <span class=\"mistake-badge\">1<\/span>\r\n      <div class=\"mistake-body\">\r\n        <h3>Las tablas de resultados de impacto contienen errores u omisiones<\/h3>\r\n        <p>Submitting tables with missing indicators, incorrect values, formatting inconsistencies, or results that do not match the final LCA model raises immediate concern &mdash; the published declaration is expected to reflect the verified model exactly.<\/p>\r\n        <div class=\"fix-panel\">\r\n          <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n          <p>Conciliar cada indicador comunicado con la exportaci\u00f3n final del modelo, comprobar los indicadores obligatorios conforme a PCR y EN 15804, y realizar una revisi\u00f3n t\u00e9cnica tabla por tabla antes de la presentaci\u00f3n.<\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <div class=\"mistake-card\">\r\n      <span class=\"mistake-badge\">2<\/span>\r\n      <div class=\"mistake-body\">\r\n        <h3>Los requisitos de PCR o c-PCR se interpretan incorrectamente<\/h3>\r\n        <p>Muchos desarrolladores empiezan a modelizar antes de traducir PCR en reglas operativas de modelizaci\u00f3n y, posteriormente, aplican un alcance, una unidad declarada, una estructura de comunicaci\u00f3n de impactos o unos requisitos de escenarios incorrectos.<\/p>\r\n        <div class=\"fix-panel\">\r\n          <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n          <p>Elabore una lista de comprobaci\u00f3n de conformidad con PCR antes de iniciar cualquier modelizaci\u00f3n, que abarque el alcance, los m\u00f3dulos, la calidad de los datos, los escenarios y el formato de comunicaci\u00f3n. Considere PCR como un documento de instrucciones t\u00e9cnicas, no como material de referencia.<\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <div class=\"mistake-card\">\r\n      <span class=\"mistake-badge\">3<\/span>\r\n      <div class=\"mistake-body\">\r\n        <h3>La documentaci\u00f3n del informe de antecedentes es incompleta o ambigua<\/h3>\r\n        <p>Incluso cuando el modelo es generalmente aceptable, una documentaci\u00f3n deficiente dificulta la verificaci\u00f3n. Si las hip\u00f3tesis, exclusiones, fuentes de datos, reglas de conversi\u00f3n y decisiones metodol\u00f3gicas no est\u00e1n claramente documentadas, el verificador no puede rastrear c\u00f3mo se obtuvieron los resultados.<\/p>\r\n        <div class=\"fix-panel\">\r\n          <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n          <p>El informe de antecedentes debe explicar la l\u00f3gica de modelizaci\u00f3n de forma transparente y trazable. Cada hip\u00f3tesis principal debe ser expl\u00edcita, estar justificada y vinculada a datos primarios, fuentes secundarias o reglas de PCR.<\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <div class=\"mistake-card\">\r\n      <span class=\"mistake-badge\">4<\/span>\r\n      <div class=\"mistake-body\">\r\n        <h3>Los l\u00edmites del sistema y los m\u00f3dulos del ciclo de vida se definen incorrectamente<\/h3>\r\n        <p>El tratamiento inadecuado de A1\u2013A3, A4\u2013A5, las etapas B, C1\u2013C4 o el m\u00f3dulo D es un punto de fallo frecuente. Algunas presentaciones excluyen etapas obligatorias, incluyen otras no permitidas o describen el alcance de forma diferente en distintas partes del informe.<\/p>\r\n        <div class=\"fix-panel\">\r\n          <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n          <p>Map the system boundary visually and textually before modelling. Confirm the required modules from the PCR, then align the model, background report, and EPD document so all three describe the same boundary.<\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n\r\n  <\/div>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-234a5e4 elementor-widget elementor-widget-html\" data-id=\"234a5e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"deiso-epd15-b2\">\r\n<style>\r\n.deiso-epd15-b2,.deiso-epd15-b2 *,.deiso-epd15-b2 *::before,.deiso-epd15-b2 *::after{box-sizing:border-box;}\r\n.deiso-epd15-b2{width:100%;padding:30px 0 !important;background:transparent !important;font-family:'Jost', system-ui, -apple-system, \"Segoe UI\", sans-serif !important;}\r\n.deiso-epd15-b2 .block-outer{max-width:1200px;margin:0 auto;padding:0 24px !important;}\r\n.deiso-epd15-b2 .block-card{position:relative;background:#ffffff !important;border:1px solid rgba(26,26,26,0.10) !important;border-radius:22px;box-shadow:0 8px 20px rgba(26,26,26,0.04);overflow:hidden;padding:56px 56px 48px 56px !important;}\r\n.deiso-epd15-b2 .block-card::before{content:\"\";position:absolute;top:0;left:0;width:100%;height:6px;background:linear-gradient(90deg,#63976B 0%,#2D8B8A 50%,#008194 100%);}\r\n.deiso-epd15-b2 .block-eyebrow{display:inline-block;background:rgba(0,129,148,0.07) !important;color:#006675 !important;border:1px solid rgba(0,129,148,0.20) !important;padding:5px 12px !important;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:14px;line-height:1.2;}\r\n.deiso-epd15-b2 h2{font-family:'Jost', sans-serif !important;font-size:28px;line-height:1.3;letter-spacing:-0.3px;color:#1a1a1a !important;font-weight:600;margin:0 0 14px 0;}\r\n.deiso-epd15-b2 h3{font-family:'Jost', sans-serif !important;font-size:19px;line-height:1.35;letter-spacing:-0.2px;color:#1a1a1a !important;font-weight:600;margin:0 0 10px 0;}\r\n.deiso-epd15-b2 .mistake-card{display:flex;align-items:flex-start;gap:18px;background:#f7fafc !important;border:1px solid rgba(26,26,26,0.08) !important;border-radius:18px;padding:28px 28px !important;margin-top:18px;}\r\n.deiso-epd15-b2 .mistake-badge{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#63976B,#008194) !important;color:#ffffff !important;font-size:16px;font-weight:600;line-height:1;}\r\n.deiso-epd15-b2 .mistake-body{min-width:0;}\r\n.deiso-epd15-b2 .mistake-body p{font-size:16px;line-height:1.65;color:#475569 !important;margin:0;}\r\n.deiso-epd15-b2 .fix-panel{background:#ffffff !important;border:1px solid rgba(26,26,26,0.06) !important;border-left:4px solid #008194 !important;border-radius:14px;padding:18px 20px !important;margin-top:14px;}\r\n.deiso-epd15-b2 .fix-label{display:block;color:#006675 !important;font-size:11.5px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:6px;line-height:1.3;}\r\n.deiso-epd15-b2 .fix-panel p{font-size:16px;line-height:1.65;color:#475569 !important;margin:0;}\r\n@media (max-width:992px){.deiso-epd15-b2 .block-card{padding:40px 32px !important;}.deiso-epd15-b2 h2{font-size:24px;}.deiso-epd15-b2 h3{font-size:18.5px;}.deiso-epd15-b2 .mistake-body p,.deiso-epd15-b2 .fix-panel p{font-size:15.5px;}}\r\n@media (max-width:767px){.deiso-epd15-b2{padding:20px 0 !important;}.deiso-epd15-b2 .block-outer{padding:0 18px !important;}.deiso-epd15-b2 .block-card{padding:28px 22px !important;border-radius:18px;}.deiso-epd15-b2 .block-eyebrow{font-size:11.5px;padding:5px 11px !important;margin-bottom:12px;}.deiso-epd15-b2 h2{font-size:21px;letter-spacing:-0.2px;}.deiso-epd15-b2 h3{font-size:17.5px;}.deiso-epd15-b2 .mistake-card{flex-direction:column;gap:14px;padding:22px 20px !important;border-radius:14px;}.deiso-epd15-b2 .mistake-badge{width:36px;height:36px;border-radius:11px;font-size:15px;}.deiso-epd15-b2 .mistake-body p,.deiso-epd15-b2 .fix-panel p{font-size:15.5px;}}\r\n<\/style>\r\n\r\n<div class=\"block-outer\">\r\n<div class=\"block-card\">\r\n\r\n  <span class=\"block-eyebrow\">Errores 5\u20139<\/span>\r\n  <h2>Evaluaci\u00f3n de impacto, escenarios y datos<\/h2>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">5<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>Los c\u00e1lculos de LCIA contienen errores o faltan categor\u00edas de impacto obligatorias<\/h3>\r\n      <p>Using the wrong characterisation method, omitting mandatory categories, or mixing incompatible indicator sets creates a serious conformance problem. These errors usually come from reused templates or accepted software defaults.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Fije el m\u00e9todo de evaluaci\u00f3n de impacto al inicio del proyecto, comp\u00e1relo con los requisitos de PCR y del operador del programa, y confirme que todos los indicadores obligatorios figuren en el conjunto final de resultados.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">6<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>Los escenarios de fin de vida est\u00e1n excesivamente simplificados o no son realistas<\/h3>\r\n      <p>La modelizaci\u00f3n de C1\u2013C4 se convierte en un punto d\u00e9bil cuando los desarrolladores aplican hip\u00f3tesis gen\u00e9ricas de eliminaci\u00f3n, tasas poco realistas de vertido o reciclaje, o rutas de tratamiento de residuos insuficientemente justificadas.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Utilice, cuando sea posible, hip\u00f3tesis de tratamiento de residuos relevantes para la regi\u00f3n, justifique cada v\u00eda de fin de vida y documente c\u00f3mo las decisiones sobre los escenarios reflejan pr\u00e1cticas reales o representativas para la categor\u00eda de producto.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">7<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>Las fuentes de datos, las versiones de las bases de datos y la calidad de los datos no se comunican adecuadamente<\/h3>\r\n      <p>La trazabilidad poco clara de los datos es uno de los problemas se\u00f1alados con mayor frecuencia. Los desarrolladores no distinguen entre datos primarios y secundarios, omiten informaci\u00f3n sobre las versiones de las bases de datos o no aportan un an\u00e1lisis significativo de la calidad de los datos.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Declare every database and version used, identify which data are primary and which secondary, and include a structured data quality assessment covering representativeness, completeness, consistency, and temporal relevance.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">8<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>La selecci\u00f3n de la combinaci\u00f3n el\u00e9ctrica y la modelizaci\u00f3n energ\u00e9tica son incorrectas<\/h3>\r\n      <p>La electricidad suele ser un insumo de gran influencia. Una combinaci\u00f3n de red inadecuada, conjuntos de datos no representativos o supuestos el\u00e9ctricos incoherentes entre procesos pueden distorsionar sustancialmente los resultados.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Utilice datos de electricidad espec\u00edficos de la ubicaci\u00f3n y acordes con el contexto de fabricaci\u00f3n y el PCR. Aplique la misma l\u00f3gica de forma coherente en todo el modelo e indique claramente si la fuente de energ\u00eda se mide, se contrata o es gen\u00e9rica.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">9<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>Los escenarios del ciclo de vida y los supuestos t\u00e9cnicos est\u00e1n insuficientemente justificados<\/h3>\r\n      <p>Los supuestos sobre vida \u00fatil, mantenimiento, sustituci\u00f3n, p\u00e9rdidas de instalaci\u00f3n o comportamiento en la fase de uso suelen incorporarse sin el debido rigor. Los supuestos d\u00e9biles o no verificables dejan expuesta toda la presentaci\u00f3n.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Base los supuestos t\u00e9cnicos en la documentaci\u00f3n del producto, aportaciones de ingenier\u00eda, referencias sectoriales o registros del cliente. Evite los marcadores de posici\u00f3n y compruebe que cada escenario del modelo pueda defenderse durante la verificaci\u00f3n.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9cf1cb elementor-widget elementor-widget-html\" data-id=\"e9cf1cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"deiso-epd15-b3\">\r\n<style>\r\n.deiso-epd15-b3,.deiso-epd15-b3 *,.deiso-epd15-b3 *::before,.deiso-epd15-b3 *::after{box-sizing:border-box;}\r\n.deiso-epd15-b3{width:100%;padding:30px 0 !important;background:transparent !important;font-family:'Jost', system-ui, -apple-system, \"Segoe UI\", sans-serif !important;}\r\n.deiso-epd15-b3 .block-outer{max-width:1200px;margin:0 auto;padding:0 24px !important;}\r\n.deiso-epd15-b3 .block-card{position:relative;background:#ffffff !important;border:1px solid rgba(26,26,26,0.10) !important;border-radius:22px;box-shadow:0 8px 20px rgba(26,26,26,0.04);overflow:hidden;padding:56px 56px 48px 56px !important;}\r\n.deiso-epd15-b3 .block-card::before{content:\"\";position:absolute;top:0;left:0;width:100%;height:6px;background:linear-gradient(90deg,#63976B 0%,#2D8B8A 50%,#008194 100%);}\r\n.deiso-epd15-b3 .block-eyebrow{display:inline-block;background:rgba(0,129,148,0.07) !important;color:#006675 !important;border:1px solid rgba(0,129,148,0.20) !important;padding:5px 12px !important;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:14px;line-height:1.2;}\r\n.deiso-epd15-b3 h2{font-family:'Jost', sans-serif !important;font-size:28px;line-height:1.3;letter-spacing:-0.3px;color:#1a1a1a !important;font-weight:600;margin:0 0 14px 0;}\r\n.deiso-epd15-b3 h3{font-family:'Jost', sans-serif !important;font-size:19px;line-height:1.35;letter-spacing:-0.2px;color:#1a1a1a !important;font-weight:600;margin:0 0 10px 0;}\r\n.deiso-epd15-b3 .mistake-card{display:flex;align-items:flex-start;gap:18px;background:#f7fafc !important;border:1px solid rgba(26,26,26,0.08) !important;border-radius:18px;padding:28px 28px !important;margin-top:18px;}\r\n.deiso-epd15-b3 .mistake-badge{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,#63976B,#008194) !important;color:#ffffff !important;font-size:16px;font-weight:600;line-height:1;}\r\n.deiso-epd15-b3 .mistake-body{min-width:0;}\r\n.deiso-epd15-b3 .mistake-body p{font-size:16px;line-height:1.65;color:#475569 !important;margin:0;}\r\n.deiso-epd15-b3 .fix-panel{background:#ffffff !important;border:1px solid rgba(26,26,26,0.06) !important;border-left:4px solid #008194 !important;border-radius:14px;padding:18px 20px !important;margin-top:14px;}\r\n.deiso-epd15-b3 .fix-label{display:block;color:#006675 !important;font-size:11.5px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:6px;line-height:1.3;}\r\n.deiso-epd15-b3 .fix-panel p{font-size:16px;line-height:1.65;color:#475569 !important;margin:0;}\r\n@media (max-width:992px){.deiso-epd15-b3 .block-card{padding:40px 32px !important;}.deiso-epd15-b3 h2{font-size:24px;}.deiso-epd15-b3 h3{font-size:18.5px;}.deiso-epd15-b3 .mistake-body p,.deiso-epd15-b3 .fix-panel p{font-size:15.5px;}}\r\n@media (max-width:767px){.deiso-epd15-b3{padding:20px 0 !important;}.deiso-epd15-b3 .block-outer{padding:0 18px !important;}.deiso-epd15-b3 .block-card{padding:28px 22px !important;border-radius:18px;}.deiso-epd15-b3 .block-eyebrow{font-size:11.5px;padding:5px 11px !important;margin-bottom:12px;}.deiso-epd15-b3 h2{font-size:21px;letter-spacing:-0.2px;}.deiso-epd15-b3 h3{font-size:17.5px;}.deiso-epd15-b3 .mistake-card{flex-direction:column;gap:14px;padding:22px 20px !important;border-radius:14px;}.deiso-epd15-b3 .mistake-badge{width:36px;height:36px;border-radius:11px;font-size:15px;}.deiso-epd15-b3 .mistake-body p,.deiso-epd15-b3 .fix-panel p{font-size:15.5px;}}\r\n<\/style>\r\n\r\n<div class=\"block-outer\">\r\n<div class=\"block-card\">\r\n\r\n  <span class=\"block-eyebrow\">Errores 10\u201315<\/span>\r\n  <h2>Transporte, unidades, asignaci\u00f3n y coherencia interna<\/h2>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">10<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>Las distancias de transporte, los modos y los supuestos de combustible se modelizan deficientemente<\/h3>\r\n      <p>A2 y A4 se subestiman o generalizan con frecuencia \u2014las distancias arbitrarias, las cadenas log\u00edsticas poco realistas o los conjuntos de datos de veh\u00edculos inadecuados reducen tanto la calidad como la credibilidad de los resultados.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Utilice datos log\u00edsticos reales siempre que sea posible. Cuando sea necesario estimar, documente claramente la base: modo de transporte, supuestos de carga, tratamiento del viaje de retorno y factores de combustible o emisi\u00f3n.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">11<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>La unidad funcional o declarada es incoherente en toda la presentaci\u00f3n<\/h3>\r\n      <p>The unit used in the model, described in the report, and displayed in the EPD table do not always match. Even small inconsistencies invalidate interpretation and comparability.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Defina la unidad declarada o funcional al inicio del proyecto y mant\u00e9ngala fija en el modelo, el texto del informe, las hojas de c\u00e1lculo y la maquetaci\u00f3n final de la EPD. Revise cada referencia a la unidad antes de la presentaci\u00f3n.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">12<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>Las reglas de asignaci\u00f3n se aplican incorrectamente en sistemas con m\u00faltiples salidas<\/h3>\r\n      <p>La asignaci\u00f3n sigue siendo una de las cuestiones t\u00e9cnicamente m\u00e1s sensibles en el trabajo de LCA y EPD. Surgen problemas cuando los coproductos, los flujos de residuos, las entradas recicladas o los servicios compartidos se dividen mediante m\u00e9todos d\u00e9biles o sin justificaci\u00f3n.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Siga la jerarqu\u00eda de la ISO 14044 y las PCR. Cuando la asignaci\u00f3n sea inevitable, justifique claramente la base elegida y demuestre que la regla se aplica de forma coherente en todo el modelo.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">13<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>Los criterios de corte se aplican de forma incoherente o sin evidencias<\/h3>\r\n      <p>Algunos desarrolladores excluyen flujos de forma demasiado agresiva; otros indican criterios de corte en el informe, pero nunca los aplican sistem\u00e1ticamente en el modelo. En ambos casos, la metodolog\u00eda declarada y la ejecuci\u00f3n real difieren.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Defina las reglas de corte antes de modelizar, apl\u00edquelas de forma coherente y documente qu\u00e9 flujos se excluyeron y por qu\u00e9. Evite afirmaciones imprecisas como \u201cse omitieron insumos menores\u201d sin justificaci\u00f3n t\u00e9cnica.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">14<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>El modelo de LCA y el informe final de EPD no coinciden plenamente<\/h3>\r\n      <p>Un fallo operativo habitual. Durante la edici\u00f3n, se realizan revisiones en el modelo o en el informe, pero no en ambos, lo que genera incoherencias en cifras, supuestos, m\u00f3dulos o texto entre los archivos t\u00e9cnicos y el paquete de presentaci\u00f3n.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Realice una conciliaci\u00f3n completa entre el modelo y el informe como paso final de control de calidad. Una persona responsable de la revisi\u00f3n debe confirmar que el modelo, el informe de referencia, la maquetaci\u00f3n de la EPD y los anexos reflejan la misma versi\u00f3n final.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"mistake-card\">\r\n    <span class=\"mistake-badge\">15<\/span>\r\n    <div class=\"mistake-body\">\r\n      <h3>No se realiza una revisi\u00f3n independiente previa a la presentaci\u00f3n<\/h3>\r\n      <p>Muchos desarrolladores presentan directamente para verificaci\u00f3n sin una revisi\u00f3n t\u00e9cnica independiente, lo que implica que los errores estructurales, las lagunas documentales, los supuestos incoherentes y las deficiencias de informaci\u00f3n son detectados primero por el verificador en lugar de resolverse internamente.<\/p>\r\n      <div class=\"fix-panel\">\r\n        <span class=\"fix-label\">C\u00f3mo evitarlo<\/span>\r\n        <p>Incorpore al proceso una etapa formal de revisi\u00f3n previa a la presentaci\u00f3n. La revisi\u00f3n t\u00e9cnica independiente antes de la verificaci\u00f3n identifica debilidades metodol\u00f3gicas, mejora la calidad de la presentaci\u00f3n, reduce los ciclos de revisi\u00f3n y protege la credibilidad.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\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-beed49d e-flex e-con-boxed e-con e-parent\" data-id=\"beed49d\" 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-04788f5 elementor-widget elementor-widget-html\" data-id=\"04788f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"deiso-epd-hub-block\">\r\n<style>\r\n.deiso-epd-hub-block,.deiso-epd-hub-block *,.deiso-epd-hub-block 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h3{font-size:17.5px;}\r\n  .deiso-epd-hub-block p{font-size:15.5px;}\r\n  .deiso-epd-hub-block a.card-btn{padding:13px 20px !important;}\r\n}\r\n<\/style>\r\n\r\n<div class=\"block-outer\">\r\n<div class=\"card-grid\">\r\n\r\n  <!-- CARD 1 \u2014 EPD Services -->\r\n  <div class=\"grid-card\">\r\n    <div class=\"card-top\">\r\n      <span class=\"card-icon\" aria-hidden=\"true\">\r\n        <svg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n          <path d=\"M14 3H7a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V8z\"><\/path>\r\n          <path d=\"M14 3v5h5\"><\/path>\r\n          <path d=\"M9 13h6\"><\/path>\r\n          <path d=\"M9 17h4\"><\/path>\r\n        <\/svg>\r\n      <\/span>\r\n      <h3>Servicios de EPD<\/h3>\r\n    <\/div>\r\n    <p>Desarrollo integral de Declaraciones Ambientales de Producto conforme a las normas ISO y EN.<\/p>\r\n    <a class=\"card-btn\" href=\"https:\/\/dei.so\/es\/environmental-product-declaration-epd-services-communicating-your-products-sustainability\/\">Explorar el servicio \u2192<\/a>\r\n  <\/div>\r\n\r\n  <!-- CARD 2 \u2014 Pre-Submission Audit -->\r\n  <div class=\"grid-card\">\r\n    <div class=\"card-top\">\r\n      <span class=\"card-icon\" aria-hidden=\"true\">\r\n        <svg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n          <path d=\"M12 3l7 3v5c0 4.5-3 8.3-7 10-4-1.7-7-5.5-7-10V6z\"><\/path>\r\n          <path d=\"M9 12l2 2 4-4\"><\/path>\r\n        <\/svg>\r\n      <\/span>\r\n      <h3>auditor\u00eda previa a la presentaci\u00f3n EPD<\/h3>\r\n    <\/div>\r\n    <p>Revisi\u00f3n t\u00e9cnica independiente para confirmar que su EPD est\u00e1 preparada para revisi\u00f3n antes de su presentaci\u00f3n.<\/p>\r\n    <a class=\"card-btn\" href=\"https:\/\/dei.so\/es\/epd-pre-submission-audit\/\">Explorar el servicio \u2192<\/a>\r\n  <\/div>\r\n\r\n  <!-- CARD 3 \u2014 Training -->\r\n  <div class=\"grid-card\">\r\n    <div class=\"card-top\">\r\n      <span class=\"card-icon\" aria-hidden=\"true\">\r\n        <svg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n          <path d=\"M12 4L2 9l10 5 10-5z\"><\/path>\r\n          <path d=\"M6 11.5V17c0 1.1 2.7 2.5 6 2.5s6-1.4 6-2.5v-5.5\"><\/path>\r\n          <path d=\"M22 9v5\"><\/path>\r\n        <\/svg>\r\n      <\/span>\r\n      <h3>Programas de formaci\u00f3n en EPD<\/h3>\r\n    <\/div>\r\n    <p>Formaci\u00f3n profesional para desarrollar capacidades internas en el desarrollo de EPD y los flujos de trabajo de LCA.<\/p>\r\n    <a class=\"card-btn\" href=\"https:\/\/dei.so\/es\/environmental-product-declaration-epd-training-programs\/\">Explorar la formaci\u00f3n \u2192<\/a>\r\n  <\/div>\r\n\r\n  <!-- CARD 4 \u2014 Data Framework -->\r\n  <div class=\"grid-card\">\r\n    <div class=\"card-top\">\r\n      <span class=\"card-icon\" aria-hidden=\"true\">\r\n        <svg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n          <path d=\"M4 20V10\"><\/path>\r\n          <path d=\"M10 20V4\"><\/path>\r\n          <path d=\"M16 20v-7\"><\/path>\r\n          <path d=\"M3 20h18\"><\/path>\r\n        <\/svg>\r\n      <\/span>\r\n      <h3>Marco de datos de EPD<\/h3>\r\n    <\/div>\r\n    <p>Sistema estructurado de recopilaci\u00f3n de datos que abarca los m\u00f3dulos A1\u2013D para flujos de trabajo preparados para revisi\u00f3n.<\/p>\r\n    <a class=\"card-btn\" href=\"https:\/\/dei.so\/es\/epd-data-collection-framework-template\/\">Explorar el marco \u2192<\/a>\r\n  <\/div>\r\n\r\n  <!-- CARD 5 \u2014 Request Quotation -->\r\n  <div class=\"grid-card span-full\">\r\n    <div class=\"card-top\">\r\n      <span class=\"card-icon\" aria-hidden=\"true\">\r\n        <svg viewbox=\"0 0 24 24\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n          <path d=\"M21 12a8 8 0 0 1-8 8H7l-4 3v-4.5A8 8 0 0 1 3 12a8 8 0 0 1 8-8h2a8 8 0 0 1 8 8z\"><\/path>\r\n          <path d=\"M9 11h6\"><\/path>\r\n          <path d=\"M9 15h3\"><\/path>\r\n        <\/svg>\r\n      <\/span>\r\n      <h3>Solicitar presupuesto<\/h3>\r\n    <\/div>\r\n    <p>Solicitar un presupuesto personalizado conforme al alcance y calendario de su EPD.<\/p>\r\n    <a class=\"card-btn\" href=\"https:\/\/dei.so\/es\/contact-form\/\">Solicitar presupuesto \u2192<\/a>\r\n  <\/div>\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\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>","protected":false},"excerpt":{"rendered":"<p>Technical guide 15 EPD mistakes that delay verification, trigger corrections, and weaken submission quality Environmental Product Declarations rarely run into verification problems because the framework is unclear. In most cases the problem is execution &mdash; weak modelling logic, incomplete documentation, inconsistent interpretation of PCR requirements, and poor data governance. What follows is a structured list [&hellip;]<\/p>\n","protected":false},"author":132,"featured_media":333000,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_deiso_takeaway":"","_deiso_part":0,"_deiso_aiv_faq":[{"q":"What are the most common mistakes that delay EPD verification?","a":"Common mistakes include incorrect impact result tables, misinterpreted PCR requirements, incomplete background documentation, incorrect system boundaries, missing impact categories, weak scenarios, and inconsistent data. Other frequent issues involve electricity modelling, transport assumptions, units, allocation, cut-off criteria, and mismatches between the LCA model and final EPD report."},{"q":"How can I check whether my EPD follows the applicable PCR requirements?","a":"Build a PCR conformance checklist before modelling begins. Check the scope, modules, declared unit, data quality, scenarios, impact reporting structure, and required reporting format against the applicable PCR and programme operator requirements."},{"q":"What should the EPD background report document before submission?","a":"The background report should clearly document the modelling logic, assumptions, exclusions, data sources, conversion rules, and methodological choices. Each major assumption should be explicit, justified, and linked to primary data, secondary sources, or PCR rules."},{"q":"How can I improve the quality of my EPD data and scenarios?","a":"Report every database and version used, distinguish primary from secondary data, and assess representativeness, completeness, consistency, and temporal relevance. Justify end-of-life, service-life, maintenance, transport, installation, energy, and use-stage assumptions with product documentation, engineering input, industry references, or client records."},{"q":"What final checks should I complete before submitting an EPD for verification?","a":"Reconcile every reported indicator, unit, module, assumption, and result with the final LCA model and background report. An independent pre-submission technical review can identify structural errors, documentation gaps, inconsistent assumptions, and reporting weaknesses before verification."}],"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[429],"tags":[],"deiso_standard":[],"deiso_series":[],"deiso_issue":[],"deiso-finder":[],"content-type":[],"content-filter":[937],"site-search-options":[],"class_list":["post-332994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-posts","content-filter-exclude","grve-entry-item","grve-blog-item"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/dei.so\/wp-content\/uploads\/2026\/04\/EPD_Mistakes_DEISO.jpg","_links":{"self":[{"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/posts\/332994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/users\/132"}],"replies":[{"embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/comments?post=332994"}],"version-history":[{"count":0,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/posts\/332994\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/media\/333000"}],"wp:attachment":[{"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/media?parent=332994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/categories?post=332994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/tags?post=332994"},{"taxonomy":"deiso_standard","embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/deiso_standard?post=332994"},{"taxonomy":"deiso_series","embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/deiso_series?post=332994"},{"taxonomy":"deiso_issue","embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/deiso_issue?post=332994"},{"taxonomy":"deiso-finder","embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/deiso-finder?post=332994"},{"taxonomy":"content-type","embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/content-type?post=332994"},{"taxonomy":"content-filter","embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/content-filter?post=332994"},{"taxonomy":"site-search-options","embeddable":true,"href":"https:\/\/dei.so\/es\/wp-json\/wp\/v2\/site-search-options?post=332994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}