I wonder if you have any idea about the cost of the replacement substances that have been looked at. Are they quite a bit more expensive than phosphate? Is that an issue? This is a problem that's been around for 30 to 40 years.
Conservative
The Chair Conservative Bob Mills
I wonder if you have any idea about the cost of the replacement substances that have been looked at. Are they quite a bit more expensive than phosphate? Is that an issue? This is a problem that's been around for 30 to 40 years.
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