| Home | About Our Site | Introductory Risk Assessment | Advanced Risk Assessment | Search | Contact Us |

Environmental quality criteria and benchmark values

Generic benchmark or guideline values for CCA and BTEX in soil

 

Compound

Source

Benchmark or guideline value

Use

Level of confidence

Arsenic

ORNL 1997

10 mg/kg

benchmark for plants

Moderate

 

CCME 1997

12 mg/kg

guideline value for investigation or remediation

Full*

 

ANZECC 1992

20 mg/kg

EIL for plants

N/A

 

MfE /MoH 1997

30 mg/kga, b

500 mg/kg c, d

interim soil criteria values for timber treatment sites in New Zealand

Based on protection of human health.  Limited consideration given to plant life for agricultural and domestic purposes.

 

ORNL 1997

60 mg/kg

benchmark for earthworms

Low

Chromium

(total)

ORNL 1997

0.4mg/kg

benchmark for earthworms

Low

 

ORNL 1997

1 mg/kg

benchmark for plants

Low

 

ANZECC 1992

50 mg/kg

EIL for plants

N/A

 

CCME 1997

64 mg/kga, b

87 mg/kg c, d

guideline value for investigation or remediation

Full*

Chromium (VI)

MfE /MoH 1997

4 mg/kga

9-25 mg/kg

360 mg/kg c, d

proposed soil criteria values for timber treatment sites in New Zealand

Based on protection of plant life

 

CCME 1997

0.4 mg/kga, b

1.4 mg/kg c, d

guideline value for investigation or remediation

Provisional*

Copper

ORNL 1997

60 mg/kg

benchmark for earthworms

Low

 

ANZECC 1992

60 mg/kg

EIL for plants

N/A

 

MfE /MoH 1997

130 mg/kg

soil guideline value for timber treatment sites in NZ

Based on protection of plant life

 

CCME 1997

63 mg/kga, b

91 mg/kg c, d

guideline value for investigation or remediation

Full*

 

ORNL 1997

100 mg/kg

benchmark for plants

Low

Benzene

CCME 1997

0.05 mg/kga

0.5 mg/kgb

5 mg/kgc, d

guideline value for investigation or remediation

Provisional*

 

ANZECC, 1992

1 mg/kg

EIL for plants

N/A

 

MfE 1999

1.1 - 5.7a

1.1 - 5.7b

3.0 - 28 c,d

soil acceptance criteria - range of values given for different soil types at <1m

B ased on protection of human health

Ethylbenzene

CCME 1997

0.1 mg/kga

1.2 mg/kg b

20 mg/kgc, d

guideline value for investigation or remediation

Provisional*

 

MfE 1999

48 - 2200 a

48 - 2200b

170 - 7200 c,d

soil acceptance criteria - range of values given for different soil types at <1m

Based on protection of human health

Toluene

CCME 1997

0.1 mg/kga

0.8 mg/kgb, c,d

guideline value for investigation or remediation

Provisional*

 

MfE 1999

68 - 2500a

68 - 2500b

94 - 7500c,d

soil acceptance criteria - range of values given for different soil types at <1m

B ased on protection of human health

Xylenes

ORNL 1997

200 mg/kg

benchmark for plants

Low

 

CCME 1997

0.1 mg/kga

1 mg/kgb

17 mg/kgc

20 mg/kgd

guideline value for investigation or remediation

Provisional*

 

MfE 1999

48-1700 mg/kga

48-1700 mg/kgb

150-5700 mg/kg c,d

soil acceptance criteria - range of values given for different soil types at <1m

Based on protection of human health

EIV = Ecotoxicological Intervention Value

EIL = Environmental Investigation Level

n/a = not assessed

afor agricultural land, b for residential & parkland, c for commercial land, d for industrial land

*Full = assessment provided data which was sufficient and adequate to calculate a soil quality guideline for environmental health.

*Provisional = assessment could only calculate a provisional soil quality guideline for environmental health

| Home | About Our Site | Introductory Risk Assessment | Advanced Risk Assessment | Search | Contact Us | Disclaimer

Page last updated: 01 May 2007

Copyright 1998 - 2003 Project Participants & their Organisations