Applications of Environmental Aquatic Chemistry: A Practical Guide - Chapter 7 ppt

... Contaminants of Concern at Many Hazardous Waste SitesChemical Abstracts Service(CAS) Name Abbreviation CAS Number Other NamesMolecularFormulaStructuralFormulaChloromethane Artic; R40 7 4-8 7- 3 ... no DNA PL was ever released at that site in thepast, or that past releases of DNAPL have failed to reach the watertable. Vapor phase, sorbed phase, and dissolved phase contaminationmay still ... mainly beca use of the limit ations of early analytical met hods. As a resul t,chemical material safety data sheet s (MSD S) distributed as late as early 1 970 sometim es recom mended that waste chlor...

Applications of Environmental Aquatic Chemistry: A Practical Guide - Chapter 4 pptx

... morebiologically available than are particulate forms, although ingestion and inhalation of particulates containing metals also can be a serious health hazard. Radioactive metalsare hazardous because of ... this chapter that cations in water always attract a hydration shell of water moleculesbecause of electrostatic attractions. Although a cation dissolved in water is often written as an elementalion, ... Fe(OH)3and is available to react via Equation 4. 17. 4.4.1.1 Summary of Acid Formation in Acid Rock DrainageThe steps of acid formation in acid rock drainage are summarized below andillustrated...

Applications of Environmental Aquatic Chemistry: A Practical Guide - Chapter 5 pptx

... wateraver age linear velo city of contamina nt ( 5: 26 ) A retardati on facto r of 10 means that the contamina nt moves at o ne-tenth of theaverage veloci ty of the groundwat er. The average ... near-ﬁnal residue of plant biodeg-radation and consists largely of protein and lignin. Humus is what remains after themore easily degradable components of plant biomass have degraded, leaving ... use tablespoons and 1-gallonplastic or glass jars (1-gallon plastic water bottles are ﬁne). If alum is to be used,measure the alkalinity and pH of the pond.RULES OF THUMB1. For healthy aquatic...

Applications of Environmental Aquatic Chemistry: A Practical Guide - Chapter 1 docx

... substantial impair-ment of the abundance and diversity of species.Class 1—Warm water aquatic life: The se are waters that (1) are currently capable of sustaining a wide variety of warm water ... EditionAuthor Chapter 1Water Quality1.1 Deﬁning Environmental Water Quality1.1.1 Water-Use Classiﬁcations and Water Quality Standards1.1.2 Water Quality Classiﬁcations and Standardsfor Natural ... Background3.5.2 Acidity3.5.3 Alkalinity3.5.4 Importance of Alkalinity3.5.5 Water Quality Criteria and Standards for Alkalinity3.5.6 Calculating Alkalinity3.5 .7 Calculating Changes in Alkalinity,...

Applications of Environmental Aquatic Chemistry: A Practical Guide - Chapter 2 doc

... ular shape also affects polariz-abil ity. Elongat ed mole cules are more polar izabl e than compa ct molecules . Thus, a line ar alkane is more polar izable than a branche d alkane of the same ... carbonate, carboxylate, phosphate, and cyanide anions, as well aswater molecules, humic acids, and synthetic chelating agents such as nitrilo-triacetate (NTA) and ethylenediaminetetraacetate ... demonstrations of inter-molecular attractive forces are the phase changes of matter that inevitably accom-pany a sufﬁcient lowering of temperature, where cooling a gas turns it into a liquidand...

Applications of Environmental Aquatic Chemistry: A Practical Guide - Chapter 9 pot

... Tm- 170 100F-18 2,000 Sr-90 8 Te-1 27 900 Tm- 171 1,000Na-22 400 Sr-91 200 Te-127m 200 Yb- 175 300Na-24 60 Sr-92 200 Te-129 2,000 Lu- 177 300Si-31 3,000 Y-90 60 Te-129m 90 Hf-181 200P-32 30 Y-91 ... Eu-155 600 Bi-2 07 200As -7 6 60 In-114m 60 Gd-153 600 Pa-230 600As -7 7 200 In-115 300 Gd-159 200 Pa-233 300Se -7 5 900 In-115m 1,000 Tb-160 100 Np-239 300Br-82 100 Sn-113 300 Dy-165 1,000 Pu-241 ... b-emitting wastes require shielding by a minimum of 5 mm of aluminum or 2 mm of lead.3. Gamma rays and x-rays: g- and x-rays are photons (electromagnetic radi-ation), are uncharged, and have...

SAFE USE OF CHEMICALS: A Practical Guide - Chapter 6 ppt

... Safe Use of Chemicals: A Practical Guide sustainable and environmentally sound agricultural practices that reduce health and environmental risks associated with the use of pesticides. It is of ... —Aldrin B2 3 3Amitraz C — —Amitrole B2 3 3Aniline a B2 3 —Aramite B2 — 2BAsulam C — —Atrazine — — 3© 2009 by Taylor & Francis Group, LLC120 Safe Use of Chemicals: A Practical Guide For ... and management of pesticides have caused untold health hazards to animals and humans and to the living environment © 2009 by Taylor & Francis Group, LLC136 Safe Use of Chemicals: A Practical...

SAFE USE OF CHEMICALS: A Practical Guide - Chapter 7 pot

... chemical acciden-tally touched them (Table 7. 2). 5a Carbon disulde and cancer: The U.S. EPA and IARC have not classied car-bon disulde as a human carcinogen.4,5TABLE 7. 2Symptoms of Carbon ... oral exposure is unavailable. Similarly, there are no reports that cyanide can cause cancer in animals and humans. The U.S. EPA has classied cyanide as a group D, meaning that it is not classiable ... eyes, nose, and throat; fatigue; headache; © 2009 by Taylor & Francis Group, LLCAir Pollutants and Toxic Gases 151nausea; upper airway irritation and increased nasal airway resistance; chronic...

SAFE USE OF CHEMICALS: A Practical Guide - Chapter 8 ppt

... LymphangiosarcomaEpitheliumGlandular Adenoma AdenocarcinomaSquamous Squamous cell papilloma Squamous cell carcinomaTransitional Transitional cell papilloma Transitional cell carcinomaHematopoieticBone marrow Not ... tumors in animals and humans. The carcinogenic potential of agents to humans was characterized by a six-category alphanumeric classication system as A, B1, B2, C, D, and E.TABLE 8.2Organs and ... and childhood brain cancer. Archives of Environmental Contamination and Toxi-cology 24: 87 92.International Agency for Research on Cancer (IARC). 1 972 –2006. Monographs on the eval-uation of...

Toxicological Risk Assessment of Chemicals: A Practical Guide - Chapter 1 ppt

... Documents4 .7. 4.1 WHO4 .7. 4.2 OECD4 .7. 4.3 US-EPA4 .7. 4.4 EU4 .7. 5 Use of Information on Repeated Dose Toxicity in Hazard Assessment4 .7. 5.1 Human Data4 .7. 5.2 Animal Data4 .7. 5.3 In Vitro Data4 .7. 5.4 ... ChemicalsHQ Hazard QuotientHR Heart RateHSDB Hazardous Substances Data BankHSG Health and Safety Guide IARC International Agency for Research on CancerICCVAM United States Interagency Coordinating ... global database with evaluated information on chemicalsIOMC Inter-Organizational Programme for the Sound Management of ChemicalsIPCS International Programme on Chemical SafetyIR Inhalation rateIRIS...

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