Ecological Risk Assessment for Contaminated Sites - Chapter 6 ppt
Ecological Risk Assessment for Contaminated Sites - Chapter 6 ppt
... as individuals, most risk manage-
ment decisions for wildlife are based on population-level effects. Therefore, for the
results of the risk characterization to be of use for risk management, extrapolations
from ... applied to dioxin-like compounds. Generation of 7-ethoxyre-
sorufin-
o
-deethylase (EROD) in rat hepatoma cell cultures has been used as a
bioassay for 2,3,7,8-TCD...
Ecological Risk Assessment for Contaminated Sites - Chapter 2 docx
... as much care.
2.1 RISK MANAGERS AND RISK ASSESSORS
The primary purpose of performing ecological risk assessments for contaminated
sites is to provide information needed for a decision concerning ... 2.3
Criteria for Selection of Assessment Endpoints for Ecological Risk
Assessments
1. Policy goals and societal values
— Because the risks to the assessment
e...
Ecological Risk Assessment for Contaminated Sites - Chapter 3 potx
... crickets 69 5 .6
Beetles (adult) 61 9.8
Mammals Mice, voles, rabbits 68 1 .6
Birds Passerines (with typical fat
reserves)
68
a
Mallard duck (flesh only) 67
a
Reptiles and amphibians Snakes, lizards 66
a
frogs, ... 0.33
0 60 cm: 0.30
Shariatpanahi and
Anderson, 19 86
Soils east of Rocky
Flats, CO
Pu-239 and
Pu-240
0–3 cm: 1 165 5
0 6 cm: 10101
0–9 cm: 8498
0–12 cm: 7095
0–18 cm:...
Ecological Risk Assessment for Contaminated Sites - Chapter 4 potx
... 34
Anguiliformes Gasterosteiformes 8 16 24
Anguiliformes Atheriniformes 46 9 12
Atheriniformes Cypriniformes 7 501
b
7 86
b
Atheriniformes Tetraodontiformes 46 13 17
Atheriniformes Perciformes 148 ... 33
Atheriniformes Gasterosteiformes 36 20 27
Gasterosteiformes Tetraodontiformes 8 20 30
Gasterosteiformes Perciformes 33 32 43
Perciformes Tetraodontiformes 34 25 34
Mean 23.5 31.7
Weighte...
Ecological Risk Assessment for Contaminated Sites - Chapter 7 doc
... multiple contami-
nated sites require remediation. The process of prioritizing these sites should incor-
porate principles of ecological risk assessment. For example, if all sites cannot be
remediated ... necessary to use an ecological risk assessment framework that has been
developed for multiple activities. The standard ecological risk assessment framework
was dev...
Ecological Risk Assessment for Contaminated Sites - Chapter 8 doc
... PRGs
based on ecological risk or even what level of protection is analogous to the 10
-6
risk for human carcinogens. (See Section 9.2.3 for a discussion of balancing health
and ecological risks.) ... play a different role in ecological risk assessments than they do
in human health risk assessments. For human health risk assessments, remediation
depends on the land-...
Ecological Risk Assessment for Contaminated Sites - Chapter 10 pot
... adjunct to risk assessment, NRDA and ecological
risk assessment practices may converge.
The NRDA process is particularly problematical for federal agencies that have
contaminated sites for which ... as tiered assessments with increasingly rigorous analysis. NRDAs might benefit
from the logic of the ecological risk framework and from the ability to adopt risk
assessments...
Ecological Risk Assessment for Contaminated Sites - Appendix (end) pdf
... 1986a. The Risk Assessment Guidelines of
19 86. EPA /60 0/ 8-8 7/045. Washington, D.C.
EPA (U.S. Environmental Protection Agency). 1986b. Superfund Public Health Evaluation Man-
ual. EPA 540/ 1-8 6/ 060 . ... Framework for Ecological Risk Assess-
ment. EPA /63 0/R-92/001. Risk Assessment Forum, Washington, D.C.
EPA (U.S. Environmental Protection Agency). 1992b. Dermal Expos...
ORGANIC SOILS and PEAT MATERIALS for SUSTAINABLE AGRICULTURE - CHAPTER 6 pptx
... permission.)
0
10
20
30
40
50
60
70
80
90
100
0 5 10 15 20 25 30 35 40
N/P ratio in SOM
Relative P mineralization (%)
0
10
20
30
40
50
60
70
80
90
100
-4 ,6 -4 ,5 -4 ,4 -4 ,3 -4 ,2 -4 ,1 -4 -3 ,9 -3 ,8 -3 ,7
V
P
multiratio ... 1303 0 .66
NS
20.3 36, 109 43 ,67 6 1.43
NS
13.5 — — —
1995 5099 3797 1.11
NS
27 .6 79,817 75,503 1.31
NS
10.0 48 ,60 7 54,573 0.9...
Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 6 ppsx
... Information Technology Tools for the management
of European Southern lagoons under the influence of river-basin runoff,
EVK3-CT-200 2-0 0084) in the Energy, Environment and Sus tainable Devel-
opment ... state variables
represent the biological variables: 6 for phytoplankton, 2 for zooplankton,
1 for bacteria and 2 for Ulva.
6. 3.2 Discrete Stage-Based Model of Tapes Philippina...