Odour Management 101 Wef2008

Odour Management 101 Presented by: Anna H. Bokowa, M.Sc. ORTECH Environmental Mississauga, Ontario CANADA

OVERVIEW ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Odour Sampling Issues

[object Object],[object Object],[object Object],[object Object],Odour Sampling Issues-con’t

[object Object],[object Object],[object Object],[object Object],Odour Sampling Issues (cont’d.)

[object Object],[object Object],[object Object],[object Object],[object Object],How the Odour Is Measured?

[object Object],[object Object],[object Object],[object Object],Sample Collection Procedures

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Collection of the Samples

[object Object],[object Object],[object Object],Number of Samples per Source

[object Object],[object Object],[object Object],[object Object],Dilution Sampling Technique Heated Sampler Probe Nitrogen Stack Tedlar Gas Bag

Dynamic Pre-dilution Sampling ,[object Object],[object Object],[object Object]

Predilution Ratio Determination ,[object Object],[object Object],[object Object]

Is it time for Change in Procedure? ,[object Object],[object Object],[object Object],[object Object]

Why Dilution is so Important? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Odor Sampler ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],Lung Technique Probe Pump Stack Tedlar Gas Bag

Ambient Sampling using Lung Technique

Results-Diluted Samples vs Undiluted *16X lower value 2,130 2130 1 3 2,075* 1,969 1969 1 2 2,130 2130 1 1 20,160 336 60 1 25,440 636 40 1 37,100 742 50 3 34,294 33,400 668 50 2 32,550 651 50 1 Source 1 Geometric Mean Net ODTV (ou) Net ODTV (ou) Raw ODTV (ou) Predilution Sample No. Sampling Location

Results-Diluted Samples vs Undiluted *13X lower value 128 128 1 3 124* 121 121 1 2 123 123 1 1 1,140 57 20 1 1,590 53 30 3 1,588 1,680 56 30 2 1,500 50 30 1 760 19 40 1 Source 2 Geometric Mean Net ODTV (ou) Net ODTV (ou) Raw ODTV (ou) Predilution Sample No. Sampling Location

used for sampling at open sources (e.g., lagoons, storage piles) Flux Chamber Technique

used for sampling of area sources Wind Tunnel Technique

ODTV-Thickener Vessel-Wind Tunnel Method

ODTV-Thickener Vessel-Flux Chamber Method

Wind Tunnel vs Flux Chamber Sampling

[object Object],[object Object],[object Object],[object Object],[object Object],Standards for Odour Evaluation

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Odour Calculations

[object Object],[object Object],Ambient Odour Sampling

[object Object],[object Object],[object Object],[object Object],[object Object],Ambient Odour Sampling (Lung)

Ambient Levels Based on Ambient Sampling and Nasal Ranger Reading 2 9 Location 5 <2 8 Location 4 4 12 Location 3 7 12 Location 2 15 29 Location 1 Nasal Ranger Readings (DT) Ambient Level Based on Ambient Sampling (ou) Description

Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Conclusion-con’t

Contact Information ,[object Object],[object Object],[object Object],[object Object],[object Object]

Odour Management 101 Wef2008

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