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9 Palaran Avenue, North Kellyville NSW 2155 Lot 3 in DP 249675

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The site is proposed for future redevelopment of low density residential land and land uses. Conclude whether the site would be suitable for the proposed future low-density residential land uses.

2 REGIONAL GROUND SETTING

Regional Geology

Penrith Geological Series Sheet 9030 (Geological Survey of New South Wales, Edition 1, 1991) indicates that Middle Triassic Hawkesbury Sandstone underlies the Site locality

  • Regional Topography and Drainage
  • Regional Hydrogeology
  • Acid Sulfate Soils

Therefore, it is not likely that land management activities on site will be affected by ASS. It is considered unlikely that ASS or potential ASS is present at the site.

3 SITE HISTORY

Land Titles

Section 10.7 Certificate & Zoning

NSW EPA Contaminated Land Record

NSW EPA POEO Public Register Search

SafeWork NSW Dangerous Goods Search

Search of the NSW Government PFAS Investigations Program Sites (register) The NSW EPA is leading an investigation program to assess the legacy of PFAS use across NSW. With the assistance of the

Historical Photography

9 Palaran Avenue, North Kellyville NSW

In the 1991 photograph, a large building (presumably a residential apartment, present today) can be seen in the western part of the site. Two small structures (presumed sheds present today) can be seen in the northeastern corner of the site.

2015 (NearMap)

An additional structure (deferred shed, not present today - see photo 2004) is located immediately northwest of the above residential dwelling. A further structure (inferred shed existing today) is observed on the western boundary of the site north of the residential dwelling.

4 SITE WALKOVER

  • Site Comments & Anecdotal Information
  • Site Activities
  • Chemical Spills and Losses
  • Underground and Above-ground Storage Tanks
  • Waste Management
  • Discoloured Soils & Odours
  • Phytotoxicity
  • Hazardous Materials
  • Fill Material
  • Complaint & Incident History
  • Surrounding Land Use

During investigations, Geotest has not observed soil discoloration or odors at the site during the walkover. Geotest did not observe the presence of suspected hazardous materials at the site during the walkover inspection.

5 DATA RELIABILITY

NSW OEH

6 PRELIMINARY CONCEPTUAL SITE MODEL

Areas of Environmental Concern and Contaminants of Potential Concern

Land Use Scenario and Receptors

Exposure Pathways

  • Human Health – Direct Contact
  • Human Health – Asbestos
  • Human Health – Volatilisation
  • Human Health – Aesthetics
  • Human and Ecological Health – Groundwater
  • Ecological – Terrestrial Ecosystems

Based on the information disclosed during the PSI, no current or future anticipated groundwater use at the site was identified. Based on information disclosed during the PSI, it was determined that most of the area is occupied by healthy vegetation with no signs of widespread stress or dieback.

7 DATA QUALITY OBJECTIVES

  • Step 1 – State the Problem
  • Step 2 – Identify the Decisions The decisions that need to be made during this project include
  • Step 3 – Identify the Inputs to the Decision
  • Step 4 – Define the Study Boundaries
  • Step 5 – Develop a Decision Rule
  • Step 6 – Specify Limits in the Decision Errors
  • Step 7 – Optimising the Design for Obtaining Data
    • Sampling Point Density
    • Field Investigation Methodology and Sample Collection
    • Field and Laboratory Quality

A laboratory prepared vapor trip spike (BTEX/TRH C6-C10) and trip blank should be taken in the field and stored with the samples. Sample storage must be adequate in order to cool samples collected in the field and during storage until they are received in the engaged laboratory.

8 SITE ASSESSMENT CRITERIA

Soils

A Metals and Inorganics

A site-specific assessment should be considered if elemental mercury is present or suspected, (6) Carcinogenic PAHs; HIL is based on the 8 carcinogenic PAHs and their TEFs (potency relative to B(a)P) adopted by CCME 2008 (see Scheme B7). Vapor intrusion HSLs for high-density homes assume ground floor occupancy.

Health Screening Levels (W/W)

Aesthetic Considerations

Effects include free phase formation, fire and explosive hazards, effects on buried infrastructure and aesthetic considerations leading to 'management restrictions' for these conditions. For the purposes of this assessment, Geotest has adopted 'coarse' grained soils in relation to management boundaries.

Ecological Environments

As a conservative approach, Geotest has adopted 'coarse' grained soils for all compounds listed below (within Table 1B(6)), this is with the exception of xylenes, where again a conservative approach is adopted. As such, 'fine' grained soils are the most conservative for xylenes and were adopted for this investigation and where Soil Texture 'coarse/fine' is adopted for F1 and F2.

9 FIELDWORK

  • Sampling Density & Activity
  • Areas Not Investigated
  • The residential area (brick dwelling) in the western portion of the Site including building footprints, hardstands and domestic gardens
  • The second residential dwelling (granny flat/cottage) located to the north-west of the residential dwelling
  • The two metal structures located in the north-eastern corner of the Site
  • The pool-sheds to the north-east of the residential dwelling
    • Laboratory Analysis

Because of this inaccessibility, it is unknown whether these areas will affect the contamination status of the site, and as such, these areas are presented as data gap areas requiring future investigation within section 13.1 of this report.

10 FIELD AND LABORATORY DATA RELIABILITY 10.1 Fieldwork

  • Sampling
  • Field Duplicates
  • Field Photo Ionization Detector (PID)
  • Wash Blanks
  • Trip Spike & Blank
  • Sample Preservation and Storage
  • Laboratory Data
  • Reported Data Quality Assessment
    • Precision
    • Accuracy
    • Representativeness
    • Comparability
    • Completeness
    • Data Quality Conclusion

The analysis of the tip provides an indication of the effectiveness of field and transport sample preservation methods. Samples were transported to the laboratory with sufficient time to perform analysis within the applicable storage period.

11 RESULTS

Site-Specific Geology

Visual and Olfactory Observations

Reported Laboratory Results

  • Metals
  • OCP/ OPPs
  • PCBs
  • PAHs
  • TRHs & BTEXN
  • Asbestos

12 DISCUSSION

Soils – Human Health

Soils – Aesthetics

Soils – Ecological Environments

Groundwater

13 UPDATED CONCEPTUAL SITE MODEL

Discussion on Data Gaps Areas Requiring Future Assessment

Based on the updated CSM, the current occupancy of the site and the level of proposed development at the time of the investigation; selected AECs were considered unavailable for investigation. These areas represent data gaps in the city's overall assessment of the presence of inadequate pollution.

14 CONCLUSIONS

15 REFERENCES

16 YOUR GEOTEST SERVICES DOCUMENT LIMITATIONS

P33391.1_L01 Monster Matriks Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground. Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground.

Table LTS1 Reference S21-Au04613 S21-Au04614 S21-Au04615 S21-Au04616 S21-Au04617 S21-Au04618 S21-Au04619 S21-Au04620 S21-Au04621 S21-Au04622 S21-Au04623 S21-Au04624 S21-Au04625
Table LTS1 Reference S21-Au04613 S21-Au04614 S21-Au04615 S21-Au04616 S21-Au04617 S21-Au04618 S21-Au04619 S21-Au04620 S21-Au04621 S21-Au04622 S21-Au04623 S21-Au04624 S21-Au04625

APPENDIX A

Historical Land Information

ADVANCE LEGAL SEARCHERS PTY LTD

KINGS LANGLEY NSW 2147 Attention: Alan Halpin

Current Search

GEOFFREY RAYMOND MORGANS DIANNE MARGARET MORGANS

Title Tree

Summary of proprietor(s) Lot 3 DP 249675

Lot 3 DP 249675)

Note (a)

Note (b)

Cadastral Records Enquiry Report : Lot 3 DP 249675 Ref : NOUSER

Cadastral Records Enquiry Report : Lot 3 DP 249675 Ref : NOUSER Locality : NORTH KELLYVILLE Parish : CASTLE HILL

Entries preceded by an asterisk do not appear on the current edition of the certificate of ownership. GlobalX hereby declares that the information contained in this document has been provided electronically by the Registrar General in accordance with Section 96B(2) of the Real Property Act 1900. Note: The information contained in this document has been provided by GlobalX Pty Ltd, ABN www. globalx.com.au an approved NSW information broker.

PLANNING CERTIFICATE UNDER SECTION 10.7 (2)

ENVIRONMENTAL PLANNING AND ASSESSMENT ACT 1979 AS AMENDED

Zone E4 Environmental Living Zone R2 Low Density Residential

PRESCRIBED UNDER SECTION 10.7 (2) OF THE ABOVE ACT

Names of relevant planning instruments and DCPs

State Environmental Planning Policies SEPP No.19 - Bushland In Urban Areas

SEPP (Western Sydney Aerotropolis) 2020

Refer Attachment 1(2)(C)

The Hills Development Control Plan 2012

North Kellyville Development Control Plan

Area/North-Kellyville)

Zoning and land use under relevant LEPs

The Hills Local Environmental Plan 2019 does not apply. Refer Part 2A of this Certificate

Refer Attachment 2(B)

The Hills Local Environmental Plan 2019?

Any other Planning Proposal?

NO Any other Planning Proposal?

Any Other Planning Proposal?

Proposed Amendment to State Environmental Planning Policy (Sydney Region Growth Centres) 2006 - North Kellyville Precinct Plan applies to the

Zone R2 Low Density Residential Zone E4 Environmental Living

Refer Attachment 1(2)(B)

Centres) 2006 (Appendix 11 The Hills Growth Centre Precincts Plan) does not apply

State Environmental Planning Policy (Sydney Region Growth Centres) 2006 (Appendix 2 North Kellyville Precinct Plan)?

Principal development standards of State Environmental Planning Policy (Sydney Region Growth Centres) 2006 (Appendix 2 North Kellyville

Any amendments to Proposed State Environmental Planning Policy (Sydney Region Growth Centres) 2006 (Appendix 2 North Kellyville

Centres) 2006 (Appendix 11 The Hills Growth Centre Precincts Plan)?

Any amendments to Proposed State Environmental Planning Policy (Sydney Region Growth Centres) 2006 (Appendix 11 The Hills

State Environmental Planning Policy (Sydney Region Growth Centres) 2006 (Appendix 11 The Hills Growth Centre Precincts

NO 3. Complying Development

Housing Code, Rural Housing Code, Low Rise Housing Diversity Code and Greenfield Housing Code

Housing Alterations Code and General Development Code

Commercial and Industrial (New Buildings and Additions) Code Complying Development under the Commercial and Industrial (New

Facilities, Subdivision, Demolition and Fire Safety Codes

4, 4A (Repealed)

4B. Annual charges under Local Government Act 1993 for coastal protection services that relate to existing coastal protection works

Mine subsidence

NO b) Any other resolution of council?

Council and other public authority policies on hazard risk restrictions Whether or not the land is affected by a policy

NO (vi) Land contamination

NO 7A. Flood related development controls

1) If the land or part of the land is within the flood planning area and subject to flood related development controls

2) If the land or part of the land is between the flood planning area and the probable maximum flood and subject to flood related

UNKNOWN

Please contact Council’s Waterways team on 9843 0555 for information on the flood planning area and probable maximum

3) In this clause—

Land reserved for acquisition

State Environmental Planning Policy?

  • Contributions plans

13 - NORTH KELLYVILLE THE HILLS SECTION 7.12

9A. Biodiversity certified land

Biodiversity stewardship sites

10A. Native vegetation clearing set asides

Bush fire prone land

The land is identified on the Bush Fire Promissory Land Council's certified map as partially or fully bushfire prone land. For details, refer to the Bushfire Prone Land map, which can be viewed on the Council's website at

Property vegetation plans

Orders under Trees (Disputes Between Neighbours) Act 2006

NO 14. Directions under Part 3A

Site compatibility certificates and conditions for seniors housing (a) Whether there is a current site compatibility certificate (seniors housing)

Site compatibility certificates and conditions for affordable rental housing

NO 18. Paper subdivision information

NO DEVELOPMENT PLAN APPLIES

NO SUBDIVISION ORDER APPLIES

Site verification certificates

Loose-fill asbestos insulation

  • Affected building notices and building product rectification orders (1) Whether there is any affected building notice of which the council is

NO (3) In this clause

State Environmental Planning Policy (Western Sydney Aerotropolis) 2020

MICHAEL EDGAR GENERAL MANAGER

The North West Priority Growth Area Land Use and Infrastructure Implementation Plan

ATTACHMENT 2(B)

STATE ENVIRONMENTAL PLANNING POLICY (SYDNEY REGION GROWTH CENTRES) 2006 (APPENDIX 2 NORTH KELLYVILLE PRECINCT)

Zone E4 Environmental Living 1 Objectives of zone

2 Permitted without consent Home occupations

4 Prohibited

NOTE: This land use table should be read in conjunction with the Dictionary at the end of STATE ENVIRONMENTAL PLANNING POLICY (SYDNEY REGION GROWTH CENTRES) 2006

NOTE: Activities permitted without development consent are still subject to other provisions in Environmental Planning Instruments and/or Acts

Zone R2 Low Density Residential 1 Objectives of zone

3 Permitted with consent

ATTACHMENT 2(B1)

To allow for low-impact residential development in areas of special ecological, scientific or aesthetic value. This land use table should be read in conjunction with the Glossary at the end of STATE ENVIRONMENTAL PLANNING POLICY (SYDNEY REGION GROWTH CENTRES) 2006 STATE ENVIRONMENTAL PLANNING POLICY (SYDNEY REGION GROWTH CENTRES) 2006 which defines words and expressions for the purpose of the plan. NOTE: Activities permitted without development consent are still subject to other provisions in Environmental Planning Instruments and/or Acts.

ALL GROUNDWATER MAP

HISTORICAL AERIAL IMAGERY

APPENDIX B

0.1-0.2 FILL: Silt, CLAY, brown, red, grey, moist, stiff Topsoil: Sandy Silt CLAY; low plasticity, brown to dark brown, moist, firm. Silt, CLAY, traces of gravel, brown, yellow, damp, stiff Gravelly, Silt, CLAY, brown, yellow, damp, stiff. 0.3-0.4 FILL: Gravelly, Sandy, CLAY, brown/grey, moist, stiff Gravelly, Silty, CLAY, brown/yellow, moist, stiff.

Silt, Sandy, CLAY, traces of gravel, brown, damp, stiff Silt, CLAY, brown, yellow, grey, damp, stiff. 0.0-0.5 (agl) Fill: Sandy, Gravelly, Grey, moist, stiff >2-5% of foreign inclusions observed within soil profile such as brick, concrete and metal. 0.0-0.5 (agl) Fill: Sandy, Gravelly, Grey, moist, stiff 5% of foreign inclusions observed within soil profile such as brick, concrete and metal.

APPENDIX C

Laboratory QC results for method blanks, duplicates, matrix spikes, and laboratory control samples follow guidelines described in the National Environment Protection (Assessment of Site Contamination) Measure 1999, as amended May 2013 and are included in this QC report where applicable. If the laboratory did not receive the information within the required time frame, and regardless of other integrity issues, appropriately qualified results may still be reported. Method Blank For solid samples, these are performed on laboratory-certified clean sand, and in the case of water samples, these are performed on deionized water.

Surr - Surrogate Addition of a similar compound to the analyte target and reported as percent recovery. Duplicate Another piece of analysis from the same sample and reported in the same units as the result to show comparison. Organochlorine Pesticide analysis - where reporting of LCS data, Toxaphene & Chlordane are not added to LCS.

Total recoverable hydrocarbons - where spike and LCS data are reported, a single spike of commercial hydrocarbon products in the C12-C30 range is added and its total recovery is reported in the C10-C14 cell of the report. For Matrix Spikes and LCS results, a bar in the report means that the specific analyte was not added to the QC sample. Question 15 The reported RPD passes Eurofins Environment Testing's QC - Acceptance criteria as defined in the internal quality control review and glossary page of this report.

Geotest Services Unit 18/24 Garling Rd

NSW 2148

11 Accredited for compliance with ISO/IEC 17025–Testing NATA is a signatory to the ILAC Mutual Recognition Agreement for mutual recognition of the equivalence of testing, medical testing, calibration, inspection, proficiency testing schemes of providers and manufacturers of reference materials . Accredited to comply with ISO/IEC 17025–Testing NATA is a signatory to the ILAC Mutual Recognition Agreement for the mutual recognition of equivalence of testing, medical testing, calibration, inspection, proficiency testing scheme and reports and certificates of material manufacturers referent. Accredited to comply with ISO/IEC 17025–Testing NATA is a signatory to the ILAC Mutual Recognition Agreement for the mutual recognition of equivalence of testing, medical testing, calibration, inspection, proficiency testing scheme and reports and certificates of material manufacturers referent.

Sample History

In the context of NEPM, ACM is generally limited to those materials that do not pass a 7mm x 7mm sieve. In the context of NEPM, FA is generally limited to those materials that do not pass a 7 mm x 7 mm sieve. Trace analysis Analytical procedure used to detect the presence of respirable fibers in the matrix.

This document may not be reproduced except in its entirety and relates only to the items tested. NCP Non-Client Parent - QC performed on samples not relevant to this report, QC is representative of the sequence or batch within which the client samples were analyzed. PFAS field samples containing surrogate recoveries exceeding the QC limit specified in QSM 5.3 where no positive PFAS results have been reported have been reviewed and no data were affected.

Note: These two PAH isomers elute closely using the most modern analytical methods and both the reported concentration (and the TEQ) apply specifically to the total of the two co-eluting PAHs.

Sample Receipt Advice

Sample Information

Notes

Contact

Clay Asbestos - WA Guidelines pH (1:5 aqueous extract at 25°C in aggregate) Total Organic Carbon Metals M8 Metals M8 Suite B13: OCP/PCB Suite B14: OCP/OPP Moisture Set Moisture Set Eurofins Cation Exchange Capacity Suite B7 BTEXN and Volatile TRH BTEXN and Volatile TRH.

APPENDIX D

Image above showing typical example of site condition, showing the eastern part of the site. Image above showing example of site conditions present within the western part of the site including the residential dwelling. The image above showing the example of the granny flat located on the western border of the site.

Image showing an example of surface-stored detritus and debris observed at multiple locations in the northeastern part of the site. Additional image showing an example of stored rubbish and debris in the northeastern part of the site.

Figure

Table 8.1.3:  Ecological Investigation Levels (EIL) in mg/kg
Table LTS1 Reference S21-Au04613 S21-Au04614 S21-Au04615 S21-Au04616 S21-Au04617 S21-Au04618 S21-Au04619 S21-Au04620 S21-Au04621 S21-Au04622 S21-Au04623 S21-Au04624 S21-Au04625
Table LTS1 Reference
Table LTS2 Reference S21-Au04614 S21-Au04645 S21-Au04646 S21-Au04624 S21-Au04647 S21-Au04648
+2

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