Category Archives: ncab

הוראת הממונה על הקרינה הסביבתית להעדיף צמנט על פני בטון כיעד לאפר פחם – בחינת ההיבט המשקי

לעיון בפרק בחינת ההיבט המשקי

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הוראת הממונה על הקרינה הסביבתית להעדיף צמנט על פני בטון כיעד לאפר פחם – סיכום

לעיון בפרק הסיכום

Posted in ncab, הוראת הממונה על הקרינה הסביבתית להעדיף צמנט על פני בטון כיעד לאפר פחם | Leave a comment

הצעת תקנות סביבתיות לשימוש באפר פחם – יולי 2012

הצעת התקנות מסדירה את התנאים לשימושי אפר פחם בהיבטיהם הסביבתיים והמנהליים.   בהיבטיהן הסביבתיים מסתמכות התקנות על התנאים שנקבעו לשימושי האפר למיניהם ע”י הגורמים המוסמכים, משרד הגנת הסביבה ואחרים לפי העניין, בהסתמך על המלצות הצוותים המקצועיים של מנהלת אפר הפחם, הנגזרות מממצאי המחקרים.   בהיבטיהן המנהליים משקפות התקנות את נוהל הבקרה על הוצאת אפר הפחם […]

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Proposed environmental regulations for coal ash use

The proposed regulations define the conditions for coal ash uses from their administrative and environmental aspects.   The environmental aspects of the regulations are based on the conditions set for the various uses of coal ash by the relevant authorities, the Ministry of Environmental Protection and others in accordance with the case in question, based […]

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Upgrading the environmental guidelines for the use of coal ash – paving, infrastructure and agriculture

The environmental guidelines for the use of coal fly ash in various soil applications – in road paving, as a structural fill and as an additive to agricultural soil, were determined by the Ministry of Environmental Protection in 1998 in accordance with the recommendation of the National Coal Ash Board (NCAB), based on the deliberations […]

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Environmental guidelines for the use of coal ash in paving and infrastructure

The environmental guidelines for the use of coal ash in paving and infrastructure distinguish between fly ash and bottom ash and between the susceptibility levels of groundwater to contamination in the application area. The present guidelines allow the use of unlimited amounts of fly ash in susceptibility zone C (least susceptible) only and require sites-specific […]

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Environmental guidelines for the use of coal ash in agriculture

The environmental guidelines for the use of coal ash in agriculture distinguish between fly ash used for soil improvement and bottom used as a growth medium for plants. While the present guidelines require site-specific investigation of the effect of each application on the environment and the agricultural product, the upgraded guidelines for fly ash set […]

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Procedures for monitoring pollutants in fly ash

The present monitoring procedure is based on the EPA TCLP method, by which the solubility of trace elements is examined in acidic environment. The upgraded monitoring procedure is based on a testing method detailed in the European Union directives which examine the elements’ leachability into demineralized water and simulate better the natural conditions characteristic to […]

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Maximum values for trace elements allowed in the ash

The list of maximum permitted values of trace elements in the leachate of fly ash, previously defined for “useable ash”, was converted in the present guidelines to a set of criteria based on “designated use”. Namely, lists of maximum values were defined, each list being application-dependent. The maximum values were determined by taking into consideration […]

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