At the beginning we spent a lot of time monitoring the mussels and the seaweed biomass to be sure that it was okay. With CFIA we monitor heavy metal, arsenic, pesticides, PCBs, and all these things. We did that and that's okay.
We can calculate how much nitrogen, phosphorous, and carbon is sequestered in shellfish and how much is sequestered in seaweed, so we have the calculation. Then we can gradually scale up.
But at the present time, I would say there is not enough information on mussel rafts and seaweed rafts to say that we have removed so many tonnes. It's coming, but we have to scale up.
Also, one thing we realize is that we have to be very careful, because it's not linear. As a matter of fact, especially with organic particles, you have organic particles from salmon feed or from salmon digestion that can go to the mussels. The mussels will eat some, will metabolize some, and will release these organic particles in a different form, which can be used by another organism and then ultimately by seaweed. So it's not linear, but a bunch of cascades. To understand all these cascades has become very complicated; I don't yet have the magic numbers.