Analysis/Test Report Private Laboratory Registration ว-๒๓๘

Customer Name : Oriental Residences Address : 110 Wireless Rd. Lum phini, Patumwan, Bangkok, 10330 Sample Type : Waste Water Analytical Date : 28/01/2021 Sampling Method : Grab Report Date : 02/02/2021 Sampling Date : 27/01/2021 Report No. : WT26400164001 Receive Date : 28/01/2021

Remark : (1)* Types of pollutants allowed to apply for the registration of private analytical laboratories. Department of Industrial Works (2)** Method Based on Standard Methods for The examination of Water & Wastewater, APHA,AWWA,WEF 22nd Edition, 2012 (3)*** Waste water control standards Notification of ministry of natural resources Book 122 at 125 ง Date 29 December.2005

…………………………………….. ….………………………………........ (Miss.Phitsinee Phetcharut) (Mrs.Siripen Vitethap) Anslyst Laboratory Supervisor ว-๒๓๘-จ-๗๘๐๑ ว-๒๓๘-ค-๗๘๐๐ 02/02/2021 02/02/2021

Do not copy some scuffing Do not modify this report.

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Parameter Unit Method** 0195/01/21 Standard

*** Effluent

*pH *BOD *Total Suspended Solids *Total Dissolved Solids Oil & Grease Settleable Solids Sulfide TKN Fecal Coliform Bacteria

-

mg/L mg/L mg/L

mg/L

mg/L

mg/L

mg/L

MPN/100 mL

Electrometric Method

5-Day BOD Test Dried at 104 0C Dried at 180 0C

Partition Gravimetric Volumetric Method Idometric Method

Kjeldahl MPN Teste

7.0 17 76 380 2.0 0.3 0.1 3.0 80

5.5-9.0 <30 <40

<500 <20 <0.5 <1.0 <35

<1,000

Sample Condition Observation Light Yellow

Analysis/Test Report Private Laboratory Registration ว-๒๓๘

Customer Name : Oriental Residences Address : 110 Wireless Rd. Lum phini, Patumwan, Bangkok, 10330 Sample Type : Waste Water Analytical Date : 26/02/2021 Sampling Method : Grab Report Date : 02/03/2021 Sampling Date : 25/02/2021 Report No. : WT26400264001 Receive Date : 26/02/2021

Remark : (1)* Types of pollutants allowed to apply for the registration of private analytical laboratories. Department of Industrial Works (2)** Method Based on Standard Methods for The examination of Water & Wastewater, APHA,AWWA,WEF 22nd Edition, 2012 (3)*** Waste water control standards Notification of ministry of natural resources Book 122 at 125 ง Date 29 December.2005

…………………………………….. ….………………………………........ (Miss.Phitsinee Phetcharut) (Mrs.Siripen Vitethap) Anslyst Laboratory Supervisor ว-๒๓๘-จ-๗๘๐๑ ว-๒๓๘-ค-๗๘๐๐ 02/03/2021 02/03/2021

Do not copy some scuffing Do not modify this report.

1/1

Parameter Unit Method** 0436/02/21 0437/02/21 Standard

*** Influent Effluent

*pH *BOD *Total Suspended Solids *Total Dissolved Solids Oil & Grease Settleable Solids Sulfide TKN Fecal Coliform Bacteria

-

mg/L mg/L mg/L

mg/L

mg/L

mg/L

mg/L

MPN/100 mL

Electrometric Method

5-Day BOD Test Dried at 104 0C Dried at 180 0C

Partition Gravimetric Volumetric Method Idometric Method

Kjeldahl MPN Teste

7.8 67 45 260 37 15 7.8 27

>150,000

7.3 13 10

480 3.0 0.1

<0.1 2.0 100

5.5-9.0 <30 <40 <500 <20 <0.5 <1.0 <35

<1,000

Sample Condition Observation Turbidity Black Light Yellow

Analysis/Test Report Private Laboratory Registration ว-๒๓๘

Customer Name : Oriental Residences Address : 110 Wireless Rd. Lum phini, Patumwan, Bangkok, 10330 Sample Type : Waste Water Analytical Date : 19/03/2021 Sampling Method : Grab Report Date : 01/04/2021 Sampling Date : 18/03/2021 Report No. : WT26400364001 Receive Date : 19/03/2021

Remark : (1)* Types of pollutants allowed to apply for the registration of private analytical laboratories. Department of Industrial Works (2)** Method Based on Standard Methods for The examination of Water & Wastewater, APHA,AWWA,WEF 22nd Edition, 2012 (3)*** Waste water control standards Notification of ministry of natural resources Book 122 at 125 ง Date 29 December.2005

…………………………………….. ….………………………………........ (Miss.Phitsinee Phetcharut) (Mrs.Siripen Vitethap) Anslyst Laboratory Supervisor ว-๒๓๘-จ-๗๘๐๑ ว-๒๓๘-ค-๗๘๐๐ 01/04/2021 01/04/2021

Do not copy some scuffing Do not modify this report.

1/1

Parameter Unit Method** 0745/03/21 Standard

*** Effluent

*pH *BOD *Total Suspended Solids *Total Dissolved Solids Oil & Grease Settleable Solids Sulfide TKN Fecal Coliform Bacteria

-

mg/L mg/L mg/L

mg/L

mg/L

mg/L

mg/L

MPN/100 mL

Electrometric Method

5-Day BOD Test Dried at 104 0C Dried at 180 0C

Partition Gravimetric Volumetric Method Idometric Method

Kjeldahl MPN Teste

7.1 16 33

304 2.0 0.1

<0.1 3.0 110

5.5-9.0 <30 <40

<500 <20 <0.5 <1.0 <35

<1,000

Sample Condition Observation Light Yellow

Analysis/Test Report Private Laboratory Registration ว-๒๓๘

Customer Name : Oriental Residences Address : 110 Wireless Rd. Lum phini, Patumwan, Bangkok, 10330 Sample Type : Waste Water Analytical Date : 08/04/2021 Sampling Method : Grab Report Date : 16/04/2021 Sampling Date : 07/04/2021 Report No. : WT26400464001 Receive Date : 08/04/2021

Remark : (1)* Types of pollutants allowed to apply for the registration of private analytical laboratories. Department of Industrial Works (2)** Method Based on Standard Methods for The examination of Water & Wastewater, APHA,AWWA,WEF 22nd Edition, 2012 (3)*** Waste water control standards Notification of ministry of natural resources Book 122 at 125 ง Date 29 December.2005

…………………………………….. ….………………………………........ (Miss.Phitsinee Phetcharut) (Mrs.Siripen Vitethap) Anslyst Laboratory Supervisor ว-๒๓๘-จ-๗๘๐๑ ว-๒๓๘-ค-๗๘๐๐ 16/04/2021 16/04/2021

Do not copy some scuffing Do not modify this report.

1/1

Parameter Unit Method** 0767/04/21 0768/04/21 Standard

*** Influent Effluent

*pH *BOD *Total Suspended Solids *Total Dissolved Solids Oil & Grease Settleable Solids Sulfide TKN Fecal Coliform Bacteria

-

mg/L mg/L mg/L

mg/L

mg/L

mg/L

mg/L

MPN/100 mL

Electrometric Method

5-Day BOD Test Dried at 104 0C Dried at 180 0C

Partition Gravimetric Volumetric Method Idometric Method

Kjeldahl MPN Teste

6.9 56 56 399 15 5

4.7 12

>150,000

7.2 12 30

376 2.0 0.3

<0.1 3.0 60

5.5-9.0 <30 <40 <500 <20 <0.5 <1.0 <35

<1,000

Sample Condition Observation Turbidity Black Light Yellow

Analysis/Test Report Private Laboratory Registration ว-๒๓๘

Customer Name : Oriental Residences Address : 110 Wireless Rd. Lum phini, Patumwan, Bangkok, 10330 Sample Type : Waste Water Analytical Date : 08/05/2021 Sampling Method : Grab Report Date : 14/05/2021 Sampling Date : 07/05/2021 Report No. : WT26400564001 Receive Date : 08/05/2021

Remark : (1)* Types of pollutants allowed to apply for the registration of private analytical laboratories. Department of Industrial Works (2)** Method Based on Standard Methods for The examination of Water & Wastewater, APHA,AWWA,WEF 22nd Edition, 2012 (3)*** Waste water control standards Notification of ministry of natural resources Book 122 at 125 ง Date 29 December.2005

…………………………………….. ….………………………………........ (Miss.Phitsinee Phetcharut) (Mrs.Siripen Vitethap) Anslyst Laboratory Supervisor ว-๒๓๘-จ-๗๘๐๑ ว-๒๓๘-ค-๗๘๐๐ 14/05/2021 14/05/2021

Do not copy some scuffing Do not modify this report.

1/1

Parameter Unit Method** 4060/05/21 Standard

*** Effluent

*pH *BOD *Total Suspended Solids *Total Dissolved Solids Oil & Grease Settleable Solids Sulfide TKN Fecal Coliform Bacteria

-

mg/L mg/L mg/L

mg/L

mg/L

mg/L

mg/L

MPN/100 mL

Electrometric Method

5-Day BOD Test Dried at 104 0C Dried at 180 0C

Partition Gravimetric Volumetric Method Idometric Method

Kjeldahl MPN Teste

6.9 24 29 419 3.0 0.5

<0.1 3.0 58

5.5-9.0 <30 <40

<500 <20 <0.5 <1.0 <35

<1,000

Sample Condition Observation Light Yellow

Analysis/Test Report Private Laboratory Registration ว-๒๓๘

Customer Name : Oriental Residences Address : 110 Wireless Rd. Lum phini, Patumwan, Bangkok, 10330 Sample Type : Waste Water Analytical Date : 29/06/2021 Sampling Method : Grab Report Date : 03/07/2021 Sampling Date : 28/06/2021 Report No. : WT26400664001 Receive Date : 29/06/2021

Remark : (1)* Types of pollutants allowed to apply for the registration of private analytical laboratories. Department of Industrial Works (2)** Method Based on Standard Methods for The examination of Water & Wastewater, APHA,AWWA,WEF 22nd Edition, 2012 (3)*** Waste water control standards Notification of ministry of natural resources Book 122 at 125 ง Date 29 December.2005

…………………………………….. ….………………………………........ (Miss.Phitsinee Phetcharut) (Mrs.Siripen Vitethap) Anslyst Laboratory Supervisor ว-๒๓๘-จ-๗๘๐๑ ว-๒๓๘-ค-๗๘๐๐ 03/07/2021 03/07/2021

Do not copy some scuffing Do not modify this report.

1/1

Parameter Unit Method** 4480/06/21 4481/06/21 Standard

*** Influent Effluent

*pH *BOD *Total Suspended Solids *Total Dissolved Solids Oil & Grease Settleable Solids Sulfide TKN Coliform, Fecal

-

mg/L mg/L mg/L

mg/L

mg/L

mg/L

mg/L

MPN/1000 mL

Electrometric Method

5-Day BOD Test Dried at 104 0C Dried at 180 0C

Partition Gravimetric Volumetric Method Idometric Method

Kjeldahl APHA: 9221 E

7.0 72 55

426 12.0 8.0 5.6 17.0

>150,000

7.1 20 18

395 1.0

<0.2 <0.1 3.0 78

5.5-9.0 <30 <40

<500 <20 <0.5 <1.0 <35

<1,000

Sample Condition Observation Turbidity Black Light Yellow