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##### Discuss differences between biologic indicators and biologic monitors and their required attributes.

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I would like a different tutor assigned, please. Thanks.;Attachment Preview;EVPS 594 Homework 4.docx Download Attachment;Homework 4;Table of Contents;Part 1 of 1 -;Question 1 of 34;10.0 Points;Chapter 4: Discuss differences between biologic indicators and biologic monitors and their;required attributes.;Maximum number of characters (including HTML tags added by text editor);60,000;Show/Hide Rich-Text Editor;Question 2 of 34;6.0 Points;Chapter 4/Week 4: Briefly describe the uses of modeling in environmental toxicology.;Maximum number of characters (including HTML tags added by text editor);60,000;Show/Hide Rich-Text Editor;Question 3 of 34;8.0 Points;Chapter 4/Week 4: Briefly describe one field and one laboratory based approach for assessing;the biological and ecological effects of toxic substances. Include advantages and limitations.;Maximum number of characters (including HTML tags added by text editor);60,000;Show/Hide Rich-Text Editor;Question 4 of 34;10.0 Points;Paquin et al. (2002): Briefly describe the chronology of major advances in the regulatory;approach used in the United States for water-quality criteria.;Maximum number of characters (including HTML tags added by text editor);60,000;Show/Hide Rich-Text Editor;Question 5 of 34;4.0 Points;Week 4: Which is NOT an input parameter to the "Biotic Ligand Model"?;A.Fe;B.pH;C.Ca;D.Na;E.SO4;Reset Selection;Question 6 of 34;6.0 Points;Week 4: Brief describe the "biotic ligand" with respect to copper toxicity to a fathead minnow.;Maximum number of characters (including HTML tags added by text editor);60,000;Show/Hide Rich-Text Editor;Question 7 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site EB-1 is;micrograms per liter (g/L). Provide your answer to one decimal place (X.X).;Question 8 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site EB-1 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 9 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site EB-2 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 10 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site EB-2 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 11 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site EB-3 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 12 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site EB-3 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 13 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site EB-4 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 14 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site EB-4 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 15 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site SB-1 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 16 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site SB-1 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 17 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site SB-2 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 18 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site SB-2 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 19 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site SB-3 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 20 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site SB-3 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 21 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site SB-4 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 22 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site SB-4 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 23 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site SB-5 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 24 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site SB-5 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 25 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site OR-1 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 26 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site OR-1 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 27 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site OR-2 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 28 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site OR-2 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 29 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;On the basis of the Biotic Ligand Model, the aquatic ecosystem criterion maximum;concentration (CMC) [acute surface-water toxicity limit] for copper at surface water site OR-3 is;micrograms per liter (ug/L). Provide your answer to one decimal place (X.X).;Question 30 of 34;1.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;The hazard quotient for the surface-water concentration at site OR-3 relative to the acute;surface-water toxicity limit (CMC) for copper at that site is. Provide your answer to one decimal;place (X.X).;Question 31 of 34;4.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;Consider how toxicity varies with DOC concentration. Surface-water sample SB-1 has a DOC;concentration of 1.2 mg/L and you calculated the corresponding CMC above. The CMC for a;DOC concentration of half of this concentration (0.6 mg/L) is ug/L. Provide your answer to one;decimal place (X.X).;Question 32 of 34;4.0 Points;Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-);spaces (e.g., as thousands separator, 5 000), "E" or "e" (used in scientific notation). NOTE: For;scientific notation, a period MUST be used as the decimal point marker.;Complex numbers should be in the form (a + bi) where "a" and "b" need to have explicitly stated;values.;For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not.;Surface-water sample SB-1 has a DOC concentration of 1.2 mg/L and you calculated the;corresponding CMC above. The CMC for a DOC that is twice this concentration (2.4 mg/L) is;ug/L. Provide your answer to one decimal place (X.X).;Question 33 of 34;12.0 Points;Now that you have calculated the variation of copper toxicity with DOC concentration with the;Biotic Ligand Model, discuss how important DOC is to determining copper toxicity.;Maximum number of characters (including HTML tags added by text editor);60,000;Show/Hide Rich-Text Editor;Question 34 of 34;12.0 Points;Describe how the hardness-based CMCs and the Biotic Ligand Model (hardness & DOC based);CMCs (or hazard quotients) compare in terms of reaches of streams where the water-quality;criteria are exceeded. In other words, which criteria delineate the most restricted area of;impairment and which one delineates the most extensive?;Maximum number of characters (including HTML tags added by text editor);60,000;Show/Hide Rich-Text Editor;You have 5 minutes left. Press 'Esc' or click 'X' to return to your assessment. The timer will;continue to count down whether or not you close this window.close;You have 5 minutes left.;Press 'Esc' or click 'X' to return to your assessment.;The timer will continue to count down whether or not you close this window.;close

Paper#15439 | Written in 18-Jul-2015

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