Pūtaiao Facts & Science
Pūtaiao Facts and Science

This section contains information about the state of New Zealand's environment and the work we do using science and data.

Go to section

Science and data at MfE

Environmental reporting

Air

Biodiversity

Climate Change

Estuaries

Freshwater

Land

Marine

Waste
He mahi ka taea e koe What you can do
He mahi ka taea e koe What you can do

Actions you can take as part of making our environment in Aotearoa flourish.

Go to section

Get funding

Have your say

Read inspiring stories

Join a campaign

Calculate your agricultural emissions

Climate scenarios toolkit

Find environmental education resources

Take action

Take action – Te reo Māori

Take Action for Nature

Eco Choice Aotearoa

Access to Experts
Ā mātou mahi What we are doing
Ā mātou mahi What government is doing

The role of central government and the work we are doing to reduce our impact on the environment.

Go to section

Areas of work

Key initiatives

International action

Who does what on the environment

Cabinet papers and regulatory impact statements
Te ao Māori The Māori world
Te ao Māori The Māori world

Incorporating te ao Māori into our work is valuable to all of Aotearoa. We acknowledge the role of tangata whenua to help create a flourishing environment for every generation.

Go to section

Mātauranga Māori and the Ministry

Te timatanga o te ao Māori

The Treaty and the Ministry
Ngā Ture Acts & regulations
Ngā Ture Acts and regulations

Find out about Acts, national policy statements, national environmental standards and other regulations we administer.

Go to section

Acts and Bills

Regulations

National planning standards

National policy statements

Essential Freshwater policies and regulations implementation guidance

Orders in Council

Water conservation orders

Appendix A: Laboratory Certificates for Particulate Matter and PCDD and PCDF Analyses

Appendix A: Laboratory Certificates for Particulate Matter and PCDD and PCDF Analyses

Table 14.12: Results from sample 2 non-ferrous furnace (individual congeners filter)

Published: 30 March 2021

Published: 30 March 2021

Published: 30 March 2021

Return to the point in the document where this table is located.

	Concentration	I-TEQ		WHO-TEQ
	(ng/m³, 0°C 1 Atm dry)	(ng/m³, 0°C 1 Atm dry)	(ng)	(ng/m³, 0°C 1 Atm dry)	(ng)
2378 TCDF	0.00016	0.000016	0.0027	0.000016	0.0027
Total TCDF	0.0036	0	0	0	0
2378 TCDD	*0.000017*	*0.000017*	*0.003*	*0.000017*	*0.0030*
Total TCDD	0.00022	0	0	0	0
12378 PeCDF	0.00030	0.000015	0.0026	0.000015	0.0026
23478 PeCDF	0.00075	0.00037	0.065	0.00037	0.065
Total PeCDF	0.0092	0	0	0	0
12378 PeCDD	0.000069	0.000035	0.006	0.000069	0.012
Total PeCDD	0.00081	0	0	0	0
123478 HxCDF	0.00092	0.000092	0.016	0.000092	0.016
123678 HxCDF	0.00069	0.000069	0.012	0.000069	0.012
234678 HxCDF	0.0010	0.00010	0.018	0.00010	0.018
123789 HxCDF	*0.00006*	*0.0000058*	*0.001*	*0.0000058*	*0.0010*
Total HxCDF	0.0092	0	0	0	0
123478 HxCDD	0.000069	0.0000069	0.0012	0.0000069	0.0012
123678 HxCDD	0.000092	0.0000092	0.0016	0.0000092	0.0016
123789 HxCDD	0.000069	0.0000069	0.0012	0.0000069	0.0012
Total HxCDD	0.0011	0	0	0	0
1234678 HpCDF	0.0025	0.000025	0.0044	0.000025	0.0044
1234789 HpCDF	0.00027	0.0000027	0.00047	0.0000027	0.00047
Total HpCDF	0.0036	0	0	0	0
1234678 HpCDD	0.00058	0.0000058	0.0010	0.0000058	0.0010
Total HpCDD	0.0012	0	0	0	0
OCDF	0.00069	0.00000069	0.00012	0.000000069	0.000012
OCDD	0.00086	0.00000086	0.00015	0.000000086	0.000015

NB. Where results are less than the detection limit they have been reported in bold.

Return to the point in the document where this table is located.

See more on...

Table 14.12: Results from sample 2 non-ferrous furnace (individual congeners filter)

March 2021

© Ministry for the Environment