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Setontlillas  
#1 Posted : Wednesday, June 30, 2021 3:04:55 PM(UTC)
Setontlillas
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Hi guys,

Can you please update the new Vic_EPA_IWRG18281.xlsm with the pH values for Fill Material, Cat C, and Cat A.

They ranges should be as follows:

Fill Material = 4 - 10

Cat C = pH value of less than 4 and more than 2; or pH value of greater than 10 and less than 12.5.

Cat A = pH value of 2 or less or pH value of 12.5 or more

I have tried to create with the wizard but have had no luck.

Nick Support  
#2 Posted : Wednesday, June 30, 2021 4:34:36 PM(UTC)
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Hi Seton,

We'll look into this.

Are you able to provide a URL and let us know the table number these values are in?

The standards were compiled using the draft document, but it sounds like there is an updated final version with some additions which we may not have seen?

Thanks,

Nick

Setontlillas  
#3 Posted : Friday, July 2, 2021 2:22:27 PM(UTC)
Setontlillas
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Hi Nick,

https://www.epa.vic.gov.au/about-epa/publications/1828-2

The Category A range is under corrosive wastes on Page 6.

The Category C range is under Non-corrosive acids and alkaline wastes on Page 6.

The fill material range was provide to me by EPA in this email.

"Dear Seton,

Thank you for your query. On Friday 25 June 2021 you asked what the pH value of fill material would be after 1 July 2021.

Although Table 3 of EPA Publication 1826.2 Waste disposal categories – characteristics and thresholds (https://www.epa.vic.gov.au/about-epa/publications/1828-2) does not specify pH as a contaminant in determining if a waste is fill material, we can look at Table 1 for this specific characteristic.

According to Table 1, any waste which has a pH of less than 4 or greater than 10 is characterised as Class C priority waste, and therefore cannot be fill material. Fill material by definition must have a pH value of 4-10.

To further assist you in understanding your obligations in regards to fill material, EPA has recently published a determination in regards to specifications acceptable to the Authority for receiving fill material, which can be found here (http://www.gazette.vic.gov.au/gazette/Gazettes2021/GG2021S301.pdf).

This information is offered as general guidance only and is based on the law or other applicable material at the time of writing. Every effort is made to ensure the information provided is accurate and up to date, however the Victorian Government and EPA Victoria does not accept liability to any person for the information, or the use of such information. The information provided does not constitute legal or professional advice and should not be relied on as a replacement for consulting the laws directly to understand how they may apply to you. You should obtain appropriate advice relevant to your particular circumstances.

We hope the above information helps to address your query.

Kind regards,

 

Ashley Beer

Senior Environment Protection Officer"

Nick Support  
#4 Posted : Monday, July 5, 2021 10:18:23 AM(UTC)
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Hi Seton,

Thanks for the extra information.

If I interpret everything correctly, this is how those values fit into the standards when placed into Table 2 and Table 3 as "upper limits":

IWRG.PNG (20kb) downloaded 2 time(s).

We will get these values updated on our website, but you can also type the values in the wizard as presented in the image above (on the "TC" tab) to be able to use them immediately.

Thanks,

Nick

Setontlillas  
#5 Posted : Wednesday, July 7, 2021 9:47:44 PM(UTC)
Setontlillas
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Thanks Nick,

I have done as you have instructed.

For some reason, the pH results are not showing up in my comparison tables since I reinstalled ESdat a month or so ago. I can see the results in the ESdat files from the lab. What do I need to provide you to assist?

Nick Support  
#6 Posted : Thursday, July 8, 2021 9:00:26 AM(UTC)
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Hi Seton,

The first thing to check will be unit conversions.  Please have a look at the user manual here: https://ESdat.net/ESdatHelp/index.html?chemistry_units.htm

The second thing to check will be the Chem Code of the pH values in your system.  They should be "pH_Lab" if they are in your Lab Report EDD files to match with the standard.

Thanks,

Nick

Setontlillas  
#7 Posted : Wednesday, August 11, 2021 7:37:45 PM(UTC)
Setontlillas
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Hi Nick,

Just another issue I had with pH today. I had a value of 11.2 which should come up as Cat C but based on the layout, reports as Cat D. Do you have a workaround for this?

Nick Support  
#8 Posted : Thursday, August 12, 2021 9:39:28 AM(UTC)
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Hi Seton,

The 1828.2 publication presents the pH range that defines Cat C, while all other values presented in tables 2 & 3 by the category they "exceed".

To adapt this to how ESdat treats highlighting stanards, this is interpreted as pH greater than 10 and less than 4 "exceeds" the fill material upper limit.  So, I would expect it will be formatted using whatever colour you have defined for the "EPA Vic IWRG1828.2 Fill material upper limit" inferring that it exceeds the fill limit.  It's not actually defining it as Cat D or Cat C though.

It's my understanding that there is no pH range defined for Cat D, and based on your feedback I think that adding the pH >10 and pH <4 to the Cat D upper limit standard (in addition to the fill upper limit) would solve the issue you are seeing (ie. it will highlight as exceeds the Cat D upper limit if you have this standard turned on).

Does this sound correct to you?

Nick

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