TMM d li th I fl f Tid l P i th T t f N hth l Th h A Bl kTM CM d li th I fl f Tid l P i th T t f N hth l Th h A Bl kTM CModeling the Influence of Tidal Pumping on the Transport of Naphthalene Through an AquaBlokTM CapModeling the Influence of Tidal Pumping on the Transport of Naphthalene Through an AquaBlokTM CapModeling the Influence of Tidal Pumping on the Transport of Naphthalene Through an AquaBlokTM CapModeling the Influence of Tidal Pumping on the Transport of Naphthalene Through an AquaBlok CapModeling the Influence of Tidal Pumping on the Transport of Naphthalene Through an AquaBlok Capg p g p p g q pg p g p p g q pB G R C 1 D M k Ki 2 J Ch i 3 d C P 3B G t R C 1 D M k Ki 2 J Ch i t 3 d C P tt 3By Grant R Carey1 Dr Mark King2 Jason Christensen3 and Cam Patterson3By Grant R Carey1 Dr Mark King2 Jason Christensen3 and Cam Patterson3By Grant R Carey Dr Mark King Jason Christensen3 and Cam Patterson3By Grant R. Carey , Dr. Mark King , Jason Christensen , and Cam PattersonE ti E i I ti By Grant R. Carey , Dr. Mark King , Jason Christensen , and Cam PattersonE pertise E perience Inno ation y y , g , ,Expertise Experience InnovationExpertise Experience InnovationExpertise Experience InnovationExpertise Experience Innovationp p

1 P t S l ti (Ott C d ) 2 G d t I i ht (H lif C d ) 3 K t E i t l (V C d )1 Porewater Solutions (Ottawa Canada) 2 Groundwater Insight (Halifax Canada) 3 Keystone Environmental (Vancouver Canada)1 Porewater Solutions (Ottawa Canada) 2 Groundwater Insight (Halifax Canada) 3 Keystone Environmental (Vancouver Canada)1 Porewater Solutions (Ottawa Canada) 2 Groundwater Insight (Halifax Canada) 3 Keystone Environmental (Vancouver Canada)Porewater Solutions (Ottawa, Canada) Groundwater Insight (Halifax, Canada) Keystone Environmental (Vancouver, Canada)Porewater Solutions (Ottawa, Canada) Groundwater Insight (Halifax, Canada) Keystone Environmental (Vancouver, Canada)( , ) g ( , ) y ( , )( ) g ( ) y ( )

1 O t d N t t ti1 O t d N t t ti1 Will d b 1 One meter sand cap: Not protective1 Will sand cap be 1 One-meter sand cap: Not protective1 Will sand cap be 1 One-meter sand cap: Not protective1 Will sand cap be 1. One meter sand cap: Not protective1 Will sand cap be 1. One meter sand cap: Not protective1 Will sand cap be p p1. Will sand cap be1. Will sand cap be pLittl tt ti i dLittle attenuation in sand cap2 A Bl kTM diff i d l 0 4 l o Little attenuation in sand capt ti ? 2 Aq aBlokTM diff sion model 0 4 m la er o Little attenuation in sand capt ti ? 2 AquaBlokTM diffusion model: 0 4 m layer o Little attenuation in sand capprotective? 2 AquaBlokTM diffusion model: 0 4 m layer o Little attenuation in sand capprotective? 2 AquaBlok diffusion model: 0 4 m layer pprotective? 2. AquaBlok diffusion model: 0.4 m layer pprotective? 2. AquaBlok diffusion model: 0.4 m layerprotective? q yprotective?pp

TM3 A Bl kTM tid l d l 0 7 l3 AquaBlokTM tidal model: 0 7 m layer Tid l i d t b3 AquaBlokTM tidal model: 0 7 m layer Tidal pumping needs to be3 AquaBlokTM tidal model: 0 7 m layer o Tidal pumping needs to be3 AquaBlok tidal model: 0 7 m layer o Tidal pumping needs to be3. AquaBlok tidal model: 0.7 m layer o Tidal pumping needs to be2 A Bl kTM

3. AquaBlok tidal model: 0.7 m layer o Tidal pumping needs to be 2 A Bl kTM

q y p p g2 AquaBlokTM cap:2 AquaBlokTM cap: d l d f it ifi2 AquaBlokTM cap: modeled for site specific2 AquaBlok cap: modeled for site specific2. AquaBlok cap: modeled for site-specific2. AquaBlok cap: 66% modeled for site-specificq p 66% modeled for site specific q p 66% p66% p66%

TM66%

1 600% A Bl kTM d i1 600% AquaBlokTM cap design1 600% AquaBlokTM cap designf MCL 1 600% AquaBlokTM cap design1 2 f MCL 1 600% AquaBlok cap design1 2 of MCL 1,600% AquaBlok cap design Si l diff i 1 2 of MCL ,600% q p g Si l diff i 1.2 of MCL , Simple diffusion of MCL Simple diffusion o C

f MCL Simple diffusion of MCL Simple diffusion of MCL Simple diffusion of MCL Simple diffusion of MCLp of MCLL i l ti thi k f

pL i l ti thi k fo Lower isolation thickness ofd l fi t 1 o Lower isolation thickness ofd l fi t 1 o Lower isolation thickness ofmodel first 1 o Lower isolation thickness of model first 1

P i t f C limodel first Point of Compliancemodel first Point of Compliancemodel first Point of Compliance0 7 t t i k b dmodel first Point of Compliance0 7 m to meet risk based

p0 7 m to meet risk based0 3 b l 0 7 m to meet risk-based0 3 m below 0.7 m to meet risk based0 3 m below 0.7 m to meet risk based 0.3 m below

0 80.3 m below

0 8)

MCL t li i t0 8) di t t MCL t li i t0.8

m sediment water MCL at compliance pointm sediment-water MCL at compliance point V if lt ith m sediment water MCL at compliance point Verif res lts ith m MCL at compliance point Verify results with ( fC at co p a ce po t Verify results with ( interface

p p Verify results with interface Verify results with n interface Verify results with n interface Verify results with ony0 6oy0 6o 0 6i

i l tid l0.6t

C id i fl fi l tid l at Consider influence of armornumerical tidal a o Consider influence of armornumerical tidal a o Consider influence of armornumerical tidal v o Consider influence of armornumerical tidal v % o Consider influence of armor numerical tidal ev 6%numerical tidal e 6%e 6% di i d i

l 6% di t ti d i0 4E 6% sedimentation on cap design0 4E 6% sedimentation on cap designi d l 0 4E sedimentation on cap designpumping model 0.4 sedimentation on cap designpumping model f MCL sedimentation on cap designpumping model of MCL p gpumping model of MCLpumping model of MCLpumping model of MCLp p g of MCLp p g0 2 B ff t d f t0 2 Buffer zone at edge of cap to0 2 o Buffer zone at edge of cap to0.2 o Buffer zone at edge of cap too Buffer zone at edge of cap too Buffer zone at edge of cap to

R d ig p

R d ig p

Re design cap Re design cap iti t h i t l t t Re-design cap mitigate horizontal transport Re-design cap mitigate horizontal transport Re design cap mitigate horizontal transport Re design cap 0 mitigate horizontal transportg p0 mitigate horizontal transportg p0 g p0

hi k if i dthi k if i d 0 001 0 01 0 1 1 10thickness if required 0 001 0 01 0 1 1 10thickness if required 0.001 0.01 0.1 1 10thickness if required 0.001 0.01 0.1 1 10thickness if requiredthickness if required N h h l C i ( /L)thickness if required Naphthalene Concentration (mg/L)q Naphthalene Concentration (mg/L)q Naphthalene Concentration (mg/L)Naphthalene Concentration (mg/L)p ( g )p ( g )

C t t A th G t C P t S l ti Ott O t i C dContact Author: Grant Carey Porewater Solutions Ottawa Ontario CanadaContact Author: Grant Carey Porewater Solutions Ottawa Ontario CanadaContact Author: Grant Carey Porewater Solutions Ottawa Ontario CanadaContact Author: Grant Carey, Porewater Solutions, Ottawa, Ontario, CanadaContact Author: Grant Carey, Porewater Solutions, Ottawa, Ontario, Canada y, , , ,y@T l 613 270 9458 il @ t b tTel: 613 270 9458 email: gcarey@porewater com web: www porewater comTel: 613 270 9458 email: gcarey@porewater com web: www porewater comTel: 613-270-9458 - email: gcarey@porewater com - web: www porewater comTel: 613 270 9458 email: gcarey@porewater.com web: www.porewater.comTel: 613 270 9458 email: gcarey@porewater.com web: www.porewater.comg y@p p