| 1. |
GLI is an acronym for________ |
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Great Lakes Water Quality Initiative |
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Great lakes Quality Implementation |
| 2. |
PBT is an acronym for which strategy? |
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Persistent, Bio accumulative and Toxic |
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Permeable, Bio accumulative, and Toxic |
| 3. |
A _________________ is the ratio of the chemical concentration in an organism to the concentration in water, assuming no exposure by food sources. |
|
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Bio concentration factor (BCF) |
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Bio accumulation factor (BAF) |
| 4. |
The_______________ represents the ratio of the concentration in an organism to the concentration in water, including both the organism and food sources exposed to the chemical. |
|
|
Bio concentration factor (BCF) |
|
|
Bio accumulation factor (BAF) |
| 5. |
On page 15 we see this formulae BSAF= (Co/L)/(Cs/OC)
Where:
L = lipid concentration (glipid/gtissue)
Cs = concentration in sediment (mg/g)
OC = total organic carbon concentration (glipid/gsediment)
What does BSAF stand for?
|
|
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Biota-Sediment Accumulation Factor |
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Biological Soil Accumulation Factor |
| 6. |
DDT is highly lipid soluble (log Kow 6.19), has an extremely long half-life, and therefore, tends to bio accumulate. It was extensively used as an agricultural pesticide and to control vector-borne diseases between 1920 and 1970. |
|
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True |
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False |
| 7. |
Arsenic (As) is found in three valence states. |
|
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True |
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False |
| 8. |
______________ is most commonly found in aquatic environments and can be found dissolved as the free ion, sorbed to minerals, or bound to organic carbon. |
|
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Nickel (Ni) |
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Mercury (Hg) |
| 9. |
___________and ___________ are the predominant species in water and can be toxic to aquatic organisms. |
|
|
Selenate and selenite |
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Nickel and mercury |
| 10. |
Polycyclic aromatic hydrocarbons (or poly nuclear aromatic hydrocarbons) are a large group of chemicals characterized by two or more fused benzene rings, with or without substituted groups attached to the rings. |
|
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True |
|
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False |
| 11. |
Table 4.2 on page 42 represents________ |
|
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Chemical properties for categorizing PBT chemicals under TSCA |
|
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Physical properties for categorizing PBT chemicals under TSCA |
| 12. |
|
ARL x BW |
| CR (lim) = |
——————- in appendix A denotes; |
|
CSF x Cm |
|
|
An equation for Carcinogenic chemicals |
|
|
An equation for Non-carcinogenic chemicals |
| 13. |
|
RfD x BW |
| CR (lim) = |
——————- in appendix A denotes; |
|
Cm |
|
|
An equation for Carcinogenic chemicals |
|
|
An equation for Non-carcinogenic chemicals |
| 14. |
The predicted baseline BCF shall be calculated using the equation:
predicted baseline BCF = KOW (octanol – water partition coefficient) |
|
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True |
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False |
| 15. |
Equations 1 and 2 in appendix C represent _________ |
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Equations for calculating the Human Health Bio Accumulation Factor |
|
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Equations for calculating the Human Health Bio concentration factor |
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