The Scottish Environment Protection Agency ( under ......9 12. 0 4.6 Mirrlees KV Major Mk2 10 9. 5 4. 6 Mirrlees KV Major Mk2 4. In Schedule 1, condition 1. 1. 6. 1. 1 is deleted

eference Number: PPC/ A/ 1008889/ VN02

SCOTTISH ENVIRONMENT PROTECTION AGENCY

POLLUTION PREVENTION AND CONTROL ACT 1999

POLLUTION PREVENTION AND CONTROL ( SCOTLAND) REGULATIONS 2012

THE REGULATIONS")

NOTICE OF VARIATION TO PERMIT

Permit No: PPC/ A/1008889 ( As Varied)

To: SCOTTISH AND SOUTHERN ENERGY LIMITED

Address: INVERALMOND HOUSE

200 DUNKELD ROAD

PERTH

PHI 3AQ

The Scottish Environment Protection Agency (" SEPA"), in exercise of its powers

under Regulation 46 of the Regulations, hereby gives you notice that it has decided, to vary permit PPC/ A/ 1008889 ( As Varied) granted under the Regulations The

variations are specified in the Schedule to this notice and take effect on 25

OCTOBER 2017

4

Date:

tathorised to sign on behalf of the

Scottish Environment Protection Agency

Right of Appeal

Under Regulation 58 of the Regulations you are entitled to appeal to the Scottish Ministers against theconditions attached to this Notice, except where SEPA has served this Notice to implement a direction

to SEPA of the Scottish Ministers. The bringing of an appeal will not have the effect of suspending theoperation of the conditions attached to this Notice. The procedures and timescales for the making of anappeal are set out in Schedule 8 of the Regulations.

PPC- A- 1008889- VN02- SSE Stornoway Power Station doc


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Reference Number: PPC/ A/ 1008889NN02

SCOTTISH ENVIRONMENT PROTECTION AGENCY

POLLUTION PREVENTION AND CONTROL ACT 1999

POLLUTION PREVENTION AND CONTROL ( SCOTLAND) REGULATIONS 2012

THE REGULATIONS")

SCHEDULE TO NOTICE OF VARIATION UNDER REGULATION 46( 8)

Operator: Scottish and Southern Energy LimitedPermit Number: PPC/ A/ 1008889 ( As Varied)

Date of Permit: 31 July 2007Variation No: 02

Permit number PPC/ A/ 1008889 ( As Varied) has been varied as follows

1. In the INTERPRETATION OF TERMS, the phrase the Regulations" means The

Pollution Prevention and Control ( Scotland) Regulations 2000;" is deleted and

replaced with: "" the Regulations" means The Pollution Prevention and Control

Scotland) Regulations 2012;"

2. In Schedule 1, condition 1. 1. 5. 1, the number 13. 6" is deleted and replaced with

12. 0".

3. In Schedule 1, condition 1. 1. 5. 1, the table is deleted and replaced with:

Table 1

Engine

Number

1

Thermal Input

MW)

5. 1

Electrical Output

MW)

2. 0

Engine Type

Mirrlees KVSS

2 5. 1 2. 0

4. 6

Mirrlees KVSS

Mirrlees KV Major Mk23 10. 5

5 7. 4 2. 2 Mirrlees KVSS

6 5. 1 2. 0 Mirrlees KVSS

8 9. 2 3. 5 Mirrlees KV Major Mk1



4. In Schedule 1, condition 1. 1. 6. 1. 1 is deleted.

5. In Schedule 1, condition 1. 1. 6. 1. 2, the phrase: " Two Bulk fuel storage tanks, each

of 2000 tonne capacity" is deleted and replaced with: " Three bulk fuel storage tanks

Tank No. 1, No. 2 and No. 3), each of 145 tonne capacity and two daily servicetanks."

6. In Schedule 1, condition 1. 1. 6. 2. 1, the phrase: " Two 30 000 litre bulk tanks," is

deleted and replaced with: " One 30, 000 litre bulk lubrication oil tank and one waste

oil sludge tank,"

7. In Schedule 1, condition 1. 1. 6. 3 the phrase: " and surface waters" is deleted and

replaced with " groundwater arising from the site of the installation".

PPC- A- 1000889- VN02- SSE Slornoway Power Slation docPage 1 of 9



8. In Schedule 1, after condition 1. 1. 6. 4, a new condition 1. 1. 6. 5 is added: " A

Klargester ` forecourt' type interceptor and a Siltbuster Tilted Plate Separator ( TPS)

for treating oil contaminated water from the surface water and oily water drainagesystem."

9. In Schedule 1, condition 1. 1. 6. 7 is deleted.

10. In Schedule 1, 1. 2 Site Plan, the site plan is deleted and replaced with:

1. 2 Site Plan

Y+ fB: If ' f AR

11. In Schedule 2, General Conditions, condition 2. 5 and conditions 2. 5. 1 — 2. 5. 3, are

deleted and replaced with:

2. 5 Resource Utilisation

2. 5. 1 At least every four years, the Operator shall carry out a systematicassessment to determine:

2. 5. 1. 1 how and where raw materials ( including water and fuel) and energyare used within the Permitted Installation;

2. 5. 1. 2 the quantities of raw materials ( including water and fuel) and energyused within the Permitted Installation;

2. 5. 1. 3 how and where material losses and wastes are generated within the

Permitted Installation;

PPC- A- 1008889- VN02- SSE Slornoway Power Slallon doe Page 2 of 9


Reference Number: PPC/ A/ 1008889/ VN02

2. 5. 1. 4 the quantities of material losses and wastes are generated within the

Permitted Installation;

2. 5. 1. 5 how and where raw materials ( including water) and energy can beutilised more efficiently within the Permitted Installation to reduceresource use and minimise material losses and waste; and

2. 5. 1. 6 which of the resource efficiency measures identified in 2. 5. 1. 5 will beimplemented at the Permitted Installation during the 4 year

assessment cycle.

2. 5. 2 The assessment required by condition 2. 5. 1 shall be recorded usingthe SEPA " systematic assessment of resource use and efficiencytemplate" ( IED - T- 04), or an equivalent format as agreed by SEPA, and reported to SEPA as specified in Table 2. 3.

2. 5. 3 The operator shall implement the resource efficiency measuresidentified in the systematic assessment within the timescales

specified in the systematic assessment.

2. 5. 4 The information required in 2. 5. 1. 2 and 2. 5. 1. 4 shall be recorded

annually.

2. 5. 5 For the purposes of condition 2. 5. 1 " raw materials, " energy" and

fuel" shall, as a minimum, include the materials listed in Table 2. 4.

12. In Schedule 2, condition 2. 6. 1 the number " 2" is deleted, and replaced with " 4".

13. In Schedule 2, Table 2. 1 - Reporting and Notification Requirements is deletedand replaced with:

Table 2. 1 - Reporting and Notification Requirements

rSummary of

Information to be Condition

Date/ Within period/

Frequency to beDate First

ReportDueReported or Notified

2. 4. 4

Reported

Incident investigation Within 14 days of the Within 14 days of the

report date of the Incident date of the first Incident

unless otherwise agreed unless otherwise agreed

in writing with SEPA in writing with SEPA

Resource utilisation 2. 5. 1 At least every 4 years 31 January 2020

Raw material utilisation

data

2. 5. 2 At least every 4 years 31 January 2020

Waste management 2. 6. 1 At least every 4 years Next report due

review 31 January 2020.

Cessation of Permitted 2. 9. 2 Not later than 2 months Not later than 2 months

Activities prior to cessation prior to cessation

Assessment of noise & 3. 1. 2 At least every 4 years 31 January 2018vibration emissions

Drainage integrity survey 3. 3. 1 Every 5 years 31 January 2018

PPC-A- 1008889- VN02- SSE Stornoway Power Stalion doe

Scottish Environment Protection Agency,

Page 3 of 9


Summary of Date/ Within period/

Information to be Condition Frequency to beDate First

ReportDueReported or Notified Reported

and remediation

assessment

Monitoring of emissions 3. 4. 4 Within 2 months of Within 2 months of

to air receipt of emissions receipt of emissions

report report

Mass emissions to air 3. 4. 6 Annually 31 January 2018

Monitoring of emissions 3. 5. 4 Monthly No reporting requirementto water

Environmental 3. 8. 1 Within 4 weeks of the end Within 4 weeks of the end

monitoring results NO2 of monitoring events of the first monitoringidentified in the sampling event in the samplingplan required by condition plan required by condition3. 8. 6. 3. 8. 6

31 January 2018Environmental 3. 8. 6 31 January 2018monitoring NO2 samplingplan

Environmental 3. 8. 6 Annually 31 January 2019monitoring NO2 samplingplan review

14. In Schedule 3, condition 3. 5. 5 the phrase: " The reviewed sampling plan shall bereported each year for the forthcoming calendar year." is deleted.

15. In Schedule 3, condition 3. 5. 6, the phrases " and report" and " This information

shall be reported in a format agreed in writing with SEPA" are deleted.

16. In Schedule 3, conditions 3. 5. 9; 3. 8. 1; 3. 8. 2; 3. 8. 3; 3. 8. 4; 3. 8. 5; 3. 8. 6; 3. 8. 7;

3. 8. 8; 3. 8. 9 are deleted and replaced with new conditions 3. 8. 1 to 3. 8. 6 inclusive and

Tables 4. 10 and Table 4. 11:

3. 8 Environmental Monitoring

3. 8. 1 The Operator shall carry out Environmental Monitoring for the substancesin Table 4. 10, at or within 10 metres of, the monitoring points specified inTable 4. 10, at the respective frequencies specified in that Table and

subject to the requirements for monitoring specified in Table 4. 11.

3. 8. 2 All of the samples collected in accordance with Condition 3. 8. 1 shall, as far

as is reasonably practicable, be collected at the same time.

3. 8. 3 Where circumstances beyond the control of the Operator prevent the

undertaking of the monitoring as specified ( such as lack of safe access tothe sampling location or the lack of availability of samples), the Operator

shall take all reasonably practicable steps to obtain alternative samples.

PPC- A- 1008009- VN02- SSE Stornoway Power Slallon doc


Page 4 of 9


3. 8.4 The monitoring results, with an associated confidence interval shall bereported to SEPA.

3. 8. 5 The Operator shall record the date, time, duration and results of all

monitoring carried out under Condition 3. 8. 1 and report the results asspecified in Table 2. 1. For each result, the report shall include the range of

the parameters specified in Table 4. 10.

3. 8. 6 An environmental monitoring sampling plan shall be implemented andreviewed annually.

Table 4. 10 Environmental Monitorinq Locations and Frequencies

NB 4316 3219

SS

l NB 4316 3217

SS

NB 4316 3215

SS

Sampling Location Methodpoint(s)

Substance SamplingFrequency

Flue Flue Flue

Minimum of 5

Limits for Nitrogen monoxide

locations or as As detailed inAs detailed in sampling

As detailed in

otherwise sampling planplan required NOz

sampling plan

agreed in required by 8. 6Condition 3. 6

11850

required by

writing with Condition 3. 8. 6 Condition 3. 8. 6

SEPA

Table 4. 11 Requirements for Monitorin

Substance Reporting format i Standard / Method

I

As detailed in sampling Diffusion TubesNOz plan required by

condition 3. 8. 6

17. In Schedule 3, Table 4. 1 - Emissions to Air ELVs is deleted and replaced with:

Table 4. 1 - Emissions to Air ELVs

1 liEmission point number 1 2 3

k

Emission source Engines 1, 2, 3 Engines 5, 6 Engines 8, 9, 10

Source of Stack height/ 25. 5/ 0. 92 25. 5/ 0. 92 25. 5/ 0. 92

Emission diameter m

Location on Site Plan Stack 1 Stack 2 Stack 3

from Emission I ( NOx) mg/ Nm3

PPC- A- 1008B89- VN02- SSE Slornoway Power Slation doePage 5 of 9


NOR NB 4316 3219

SS

l NB 4316 3217

SS

NB 4316 3215

SSMonitoring

Type of Monitoring

Sampling Location Flue Flue FlueDetails

Limits for Nitrogen monoxideParameters and nitrogen dioxide 1850 1850 11850

from Emission I ( NOx) mg/ Nm3

PPC- A- 1008B89- VN02- SSE Slornoway Power Slation doePage 5 of 9



Source Total Particulate100 100 100

Matter TPM m / Nm3

Carbon monoxide350 350 350

CO) m91Nm3 — — ---

18. In Schedule 3, Table 4. 2 - Emissions to Air Monitoring Requirements is deletedand replaced with:

Table 4.2 - Emissions to Air Monitoring Requirements

Emission

Parameter point

number

Total Particulate 1, 2 and 3

Matter ( TPM)

Nitrogen monoxide 1 1, 2 and 3

and nitrogen

dioxide ( NOx)

Carbon monoxide 1, 2 and 3

Spot Sampling ( SS)

Standard FrequencyOperational

Mode

SRM - BS EN

13284- 1

SRM for BSSee Condition

EN 147923. 4. 5

SRM - BS EN

15058

PPC- A- 1008880- VN02- SSEStornoway Power Sla0on.dea Page 6 of 9



19. In Schedule 3, Table 4. 5 - Emissions to Water Environment/ Sewer ELVs is

deleted and replaced with:

Table 4. 5 - Emissions to Water Environment/ Sewer ELVs

Emission point

number _

W1 - W2

Oil -contaminated W2A W213

Frequency

groundwater arising Installation Installation

Source of

Emission

from within the

installation boundary

surface water oily waterdrainage drainage

s))

system system

Destination Stornoway Harbour Stornoway Harbour

Visual

Emission W1 as indicated onW2 as indicated on site plan

location

Source ofNGR

Emission

11Samplinglocation

Free Chlorine

m / I

Oil visual

Oil in water

mg/ 1)

pH

site plan

1 N B43103212 N B43123211

Exit chamber from the Exit chamber Exit chamber

separator from the from the

Klargester Siltbuster

separator separator

N/ A0. 01 N/ A

10

N/ A

No visible oil

5

5to9

20. In Schedule 3, Table 4. 6 - Emissions to Water Environment/ Sewer MonitoringRequirements is deleted and replaced with:

Table 4. 6 - Emissions to Water Environment/ Sewer Monitoring Requirements

Parameter

EmissionTest Reporting

Sampling/ Measurement FrequencyNumber(

Method Formats)) Facility

Oil visual W1 Visual No significant Within the exit Weeklyinspection oil chamber from the

TPS

Oil in water Method A * As mg/ I Within the exit Monthlychamber from the

TPS

pH BS 6068 - As pH units Within the exit Monthly2. 50: 1995 chamber from the

Klargester

interceptor

PPC- A- 1008889- VN02- SSE Stornoway Power Slation doePage 7 of 9



Oil visual W2A and

W213

Visual

inspection

No significant

oil

Within the exit

chamber from the

Siltbuster TPS and

the Klargester

interceptor

Weekly

Oil in water Method A * As mg/ I Within the exit Monthlychamber from the

Siltbuster TPS and

the Klargester

interceptor

Total BS 6068 - As mg/ I Within the exit Not less than

Residual 2. 56: 1998 chamber from the 30 minutes and

Oxidant BS EN ISO Klargester not more than 1

Free 7393- interceptor hour after

Chlorine) 2: 1986) draining thesecondary

cooling system

Method A is the applicable analytical method for Hydrocarbon Oil as defined in Environment

Agency Guidance Note M18 and described in " The Determination of Hydrocarbon Oils inWaters by Solvent Extraction, Infra -Red Absorption and Gravimetry 1983" SCA Blue Book 77ISBN 0 11 751728 3)

i Environment Agency Technical Guidance Note ( Monitoring) M18 — monitoring ofdischarges to water and sewer — Version 4 — November 2014

21. In Schedule 3, Table 4. 7 - Mass Emissions to Water Environment is deleted.

22. In Schedule 3, Table 4. 8 - Waste Handling and Storage is deleted and replacedwith:

Table 4. 8 - Waste Handling and Storage

Description of Location of Method of

Waste I Storal I Storage

Oil skimmings from Tilt Waste oil sludge Above

Plate Separators and tank ground tank

Klargester, waste oil,

waste fuel and lube oil

Oil Contaminated

waste

Clip top bins andsealed skip next toengines and skip

next to workshop

Clip top binsand sealed

skip

Maximum

permitted Storage

quantity - Conditions

tonne

20Within tank farm

I containment bund

On impervious

hardstanding

PPC- A- 1008889- VN02- SSE Slornoway Power Slallon. doc Page 8 of 9



23. In Schedule 3, Table 4. 9 - Raw Materials Storage is deleted and replaced with:

Table 4. 9 - Raw Materials Storage

PPC- A- 7008089- VN02- SSE Slomowey P~ r S* Jan- On


Page 9 of 9

Description; of Lo aaifiiio) o4i, iletblo) d of Permiiiitt+e d Sto)raxge;

Raw Material Stota, gie, St1o, rnie quantity - Co)tid1UJi o) s

taten'ie

Fuel Oil Bulk Tanks No 1, Within above 547 Within tank farm

No 2 and No 3 ground bulk tanks containment bund

and Daily ServiceTanks 1 and 2

Bulk Tank Within above Within tank farmLubricating Oil 30

ground bulk tanks containment bund

PPC- A- 7008089- VN02- SSE Slomowey P~ r S* Jan- On


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Documents

The Scottish Environment Protection Agency ( under ......9 12. 0 4.6 Mirrlees KV Major Mk2 10 9. 5 4. 6 Mirrlees KV Major Mk2 4. In Schedule 1, condition 1. 1. 6. 1. 1 is deleted