Werf (176 Ergebnisse)

Halfleer. Zustand: Lichte gebruiksporen. 304 pp. Z/w illustraties en terreinplattegronden in kleur. Band wat groezelig.

Zustand: Good. Originele halfkunstlederen band met goudopdruk, linnen platten, gedecoreerde schutbladen, geà llustreerd met z/w foto's, tabellen/figuren, 4to.

Zustand: Very Good.

Zustand: Very Good.

Zustand: Very Good.

Zustand: New. In.

Zustand: NEW.

Paperback. Zustand: Brand New. 184 pages. 11.25x8.50x0.50 inches. In Stock.

Paperback. Zustand: Brand New. 90 pages. 10.90x8.10x0.30 inches. In Stock.

Paperback. Zustand: Brand New. 236 pages. 11.02x8.27x0.50 inches. In Stock.

Paperback. Zustand: Brand New. 120 pages. 11.02x8.27x0.52 inches. In Stock.

Zustand: New. KlappentextrnrnThis project was initiated in response to the establishment of mercury TMDLs around the country and issues raised by this process, specifically concerning the issue of mercury bioavailability. While many of these studies recognize.

fester Einband. 304 S., zahlr. Abb. Gr 8° HLdr. Sprache: Niederländisch.

Zustand: New.

Zustand: New. KlappentextrnrnApproximately 23 percent of the estimated 115 million occupied homes in the United States are served by onsite wastewater systems. The vast majority of onsite wastewater treatment systems include a septic tank, grease trap, or bot.

Zustand: New. KlappentextrnrnThis research attempts to evaluate nitrification treatment performance in combined carbon/nitrogen municipal wastewater reactors using traditional physical/chemical methods and modern molecular techniques. Bench scale activated sl.

Zustand: New. KlappentextrnrnThis project provides WERF subscribers with a state-of-knowledge report that is a synthesis of existing work and provides guidance on effective risk communication practices, public perception and message effectiveness. Communicati.

Zustand: Sehr gut. Zustand: Sehr gut | Sprache: Englisch | Produktart: Bücher | Keine Beschreibung verfügbar.

Zustand: New.

Zustand: New. KlappentextrnrnPhase 3 of the overall WERF project was developed to study eight Phase 2 hypotheses in more depth, beginning in the laboratory (bench-scale) studies and continuing on to targeted investigations where the WERF team manipulated plan.

Zustand: New. KlappentextrnrnAnaerobic biological treatment systems can offer a number of advantages over their aerobic counterparts. The operational costs associated with anaerobic systems are typically lower than with aerobic systems, and anaerobic systems .

Zustand: New. KlappentextrnrnThe USEPA s ambient water quality criteria (AWQC) for cyanide were developed in 1984. Recently, however, concerns have arisen that the AWQC for cyanide have been problematic to implement and may not accurately reflect either the t.

Zustand: New. KlappentextrnrnThere is a tremendous amount of literature on and experience with wastewater disinfection alternative. However, it is difficult for wastewater professionals to sift through all of the available information, especially for relative.

Zustand: New. KlappentextrnrnIn order to facilitate more effective integration of monitoring data and technically sound assessment methodologies into the waterbody assessment and listing process, a critical evaluation of the current methodologies employed by .

Zustand: New. KlappentextrnrnA large portion of impaired waterways are located in or near urban areas and are adversely influenced by stormwater-borne solids. The solids have negative impacts on receiving water systems including loss of aquatic habitat, chann.

Zustand: New.

Zustand: New. KlappentextrnrnMicrobial quality of water is a prime public health concern in today s world. To protect public health, the World Health Organization and the U.S. Environmental Protection Agency have established microbial pollution indicator stan.

Zustand: New. KlappentextrnrnUnder the National Pollution Discharge Elimination System (NPDES), many municipal and industrial wastewater treatment facilities must perform Whole Effluent Toxicity (WET) Testing. Regulatory agencies determine the level of compli.

Zustand: New. KlappentextrnrnThe purpose of this research project was to examine construction projects that successfully reduced RDII. The research began with a literature review of all published records describing RDII removal projects. Initially, the review.