106. M4-M5 EIS Vol 2H App R Contamination Part 2
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4.14 M4-M5 Link project tunnel alignment In addition to ancillary facilities and the project footprint, evaluation of the proposed M4-M5 Link project tunnel alignment has been undertaken to identify potentially contaminating land uses which may impact soil and groundwater quality in proximity to the tunnel alignment. For the purposes of this working paper, the document has been divided into five sections comprising: St Peters to Newtown Newtown to Camperdown Camperdown to Annandale Annandale to Haberfield and Rozelle Rozelle to Iron Cove and Balmain. 4.14.1 Tunnel alignment – St Peters to Newtown Current potentially contaminating land uses Current and former potentially contaminating land uses identified within 300 metres of the tunnel alignment between St Peters and Newtown are listed in Table 4-43. Table 4-43 Potential Contaminating Land Uses – St Peters to Newtown Property/area Activity Proximity to alignment Current land uses BP Express Service Station Petroleum storage 80 metres east and across topographic 2 Princes Highway, St Peters gradient of the alignment. BP Petrol Station Petroleum storage Directly above the alignment. 327–339 Princes Highway, Sydenham Valitel Commercial Dry cleaning (now 300 metres southwest and up topographic 310 Princes Highway, St closed) gradient of the alignment. Peters Former land uses Former Alexandria Landfill (St Former landfill Adjacent to and south of the alignment. Peters interchange) Sydney Park Former landfill 60 metres east and down topographic gradient of the alignment. Former Taubmans Factory Paint manufacturing 170 metres northwest and up topographic 73 Mary Street, St Peters gradient of the alignment. Former clay pit Uncontrolled filling 170 metres northwest and up topographic 60 Mary Street, St Peters gradient of the alignment. Former brick pit Uncontrolled filling 300 metres northwest and up topographic 9 Unwins Bridge Road, St gradient of the alignment. Peters Former brick pit Uncontrolled filling 25 metres west and up topographic Camdenville Park gradient of the alignment. May Street, St Peters Industrial and commercial Unknown – potentially Directly above and adjacent to the properties along the workshops and alignment. Princes Highway manufacturing WestConnex – M4-M5 Link 124 Roads and Maritime Services Technical working paper: Contamination Notified and regulated sites Sites notified to the NSW EPA under section 60 of the CLM Act or formerly regulated by the NSW EPA under the CLM Act and within 300 metres of the tunnel alignment are listed in Table 4-44. Table 4-44 Contaminated sites notified to or regulated by the NSW EPA – St Peters to Newtown Property Status Proximity to alignment BP Express Service Reported to the NSW EPA under section 60 80 metres east and across Station of the CLM Act. Currently under assessment topographic gradient of the 2 Princes Highway, St by the NSW EPA. alignment. Peters Former Tidyburn Facility Formerly regulated under the CLM Act. Immediately east and 53 Barwon Park Road, Concentrations of naphthalene were present across topographic St Peters in groundwater on the site at concentrations gradient of the alignment. above the relevant trigger values for the protection of aquatic ecosystems. TPHs were also present in groundwater at elevated concentrations. A Site Audit Statement (SAS) and Site Audit Report (SAR) were prepared certifying that the site was suitable for residential land use with minimal opportunity for soil access, including units. The site has been redeveloped into a high density residential apartment building with basement car park. Camdenville Park Reported to the NSW EPA under section 60 25 metres west and up May Street, St Peters of the CLM Act. NSW EPA assessed the site topographic gradient of the as not requiring regulation under the CLM alignment. Act. Licensed sites Sites licensed under the POEO Act and within 300 metres of the tunnel alignment are listed in Table 4-45. Table 4-45 POEO Register – St Peters to Newtown Property Licence Number Proximity to alignment Metropolitan Demolitions And Recycling, 396 EPL 11483 300 metres south and Princes Highway, St Peters down topographic gradient of the alignment New M5 St Peters interchange (former EPL 4627 Above and adjacent to Alexandria Landfill) alignment Groundwater quality Groundwater monitoring was undertaken for the New M5 project around the St Peters interchange. Additional monitoring wells were monitored as part of the combined geotechnical and contamination investigations for the M4-M5 Link project (AECOM 2016c). The results are summarised in Table 4-46 and monitoring well locations are shown in Figure 4-29. WestConnex – M4-M5 Link 125 Roads and Maritime Services Technical working paper: Contamination Table 4-46 Groundwater quality – tunnel alignment – St Peters to Newtown Source Monitoring wells Summary of results AECOM, MW122 (south Copper (0.003 milligrams per litre) and zinc (0.068 milligrams 2015b Sydney Park) per litre) exceeded the ANZECC (2000) 95 per cent marine trigger values of 0.0013 milligrams per litre and 0.015 milligrams per litre respectively Nickel (0.0028 milligrams per litre) exceeded the NHMRC (2015) ADWG of 0.002 micrograms per litre. MW115 (northwest Chromium (0.173 milligrams per litre), copper (0.011 Sydney Park) micrograms per litre) exceeded the ANZECC (2000) 95 per cent marine trigger values of 0.0044 milligrams per litre and 0.0013 milligrams per litre respectively. MW109 (southwest Chromium (0.088 milligrams per litre), copper (0.007 of the former milligrams per litre) and zinc (0.0018 milligrams per litre) Alexandria Landfill) exceeded the ANZECC (2000) 95 per cent marine trigger values of 0.0044 milligrams per litre, 0.0013 milligrams per litre and 0.015 milligrams per litre respectively Chromium also exceeded the NHMRC (2015) ADWG of 0.005 milligrams per litre. AECOM, Former Alexandria Concentrations of TRH >C10-C34 fractions, benzene, 2015d Landfill monitoring manganese, nickel, sodium, chloride and TDS exceeded the wells human-health based criteria in groundwater. TRH >C10-C34 fractions and benzene were detected in the leachate and not in (refer to section the Botany Sands or bedrock aquifer 4.13.7) Concentrations of cobalt, cadmium, copper, nickel and zinc exceeded the ecological based assessment criteria in leachate and the bedrock aquifer. Concentrations of metals were highest in the leachate and the bedrock aquifer Concentrations of ammonia exceeded the adopted groundwater ecological based assessment criteria in leachate and slightly exceeded the criteria in the Botany Sands and bedrock aquifers. AECOM, SP_BH02 (east of Nickel (0.012 milligrams per litre) and zinc (0.048 milligrams 2016c Sydney Park) per litre) exceeded the ANZECC (2000) 95 per cent marine trigger values of 0.07 milligrams per litre and 0.015 milligrams per litre respectively Benzene (two micrograms per litre) exceeded the NHMRC (2015) ADWG of one microgram per litre Ethylbenzene (10 micrograms per litre) exceeded ANZECC (2000) low reliability trigger value of five micrograms per litre. WestConnex – M4-M5 Link 126 Roads and Maritime Services Technical working paper: Contamination \\AUSYD5FP001\Drive-P\60491677\4. 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T « hompson Street N C h Wells Street ap !T2 C e h l al S NEWTOWN d Bourne Street t Leicester Stree e re r S e t t Edinburgh Road Mitchell Street re e Smidmore Street t e Lord Street Sydney u Murray Street ward Street n e Park Ed v A Farr Street r e ld a d SP_BH01 h a C o A& R 14 l e SP_BH02 L MARRICKVILLE te Fitzroy Streetil S A& ee ia y tr t n e n S F d 4 m Saywell Streeto y a w S l e h e c l Victoria Road rs r a ne e l n v P a 5 a h F C S rn y e d s t e a n E h a A& m Cadogan Street R 1 SP_BH04 o a A& SP_BH06 d Garden Street Brown Street Vincent Street Sloane Street Meeks Road Florence Street Silver Street Shirlow Street 6 Sydney Street 13 A& SP_BH09 KEY M Euston Road C10, Campb ell aRoad civil and tunnel site rr Barclay Street 12 ic Mary Street k Bolton Street ST PETERS 1, Former b rick pit andvi landfill lle R Buckley Street e Alfred Street 2, EPL 12208 o ad ad ar aude StreetGerald Street P e Grove Street M Sutherland Street C10 ay u 3, Former b rick pit and landfill en ilw !T v 7 a A ay 4, BP Express Serice Station R s Unwins Bridge Road hw ow Frederick Street ig rr s H 5, SydneyFraser Par Park(former b rick pits and b rck landfill)Bu ce rin Yelverton Street P 6, Former Tydyb ur Facility George Street 7, V alitel Dry Cleaner 11 8 8, N ew M5 St Peter Interhange Former Alexandra SYDENHAM Landfill and b rck pit (EPL 4627) 9 Tillman Park 9, Cook River Rail Terminal Burrows Road Railway Road B 10, Metrpolitan Demolitionsrid and Recycling ge S Park Road Henry Street t Belmore Street 11, BP Petrol Station re 10 Canal Road e A lex and ra Canal 12, Former filledTEMPE clay pit t Terry Street ALEXANDRIA 13, Former Taub mans paint factory 14, Camdenville Par (former b rck pit and landfill) Hilton Avenue 0 240 480 m AECO I rined ate 1/082017 \\AUSYD5FP001\Dre-P\60491677\4 nvr& ech wor area\4.99 GI\10_EI\02_Maps\MXD_DDP_TECH\M4M5_EI_TR_SI003_60491677_A4L_Conamination_epormd LEGEND Imagery © Nearmap (2017) Existing features New M5 Underground construction Land use Proj ect features Railway Tunnel Building Mainline tunnel Site land use Ancillary facilities !T Railway station Prposed future Sydney Gateway Surace road Temporary access tunnel Other current or former A& Grundwater monitorng wells connections (non-operational as Shared path industral/commerial land use part of M4-M5 Link) within 300m of the tunnel Land sub ject to N ew M5 alignment conditions of apprval Figure 4-29 Tunnel Alignment - St Peters to Newtown 127 4.14.2 Tunnel alignment – Newtown to Camperdown Current and former potentially contaminating land uses Current and former potentially contaminating land uses identified within 300 metres of the tunnel alignment are listed in Table 4-47.