That's correct, it's something like four particles per cubic meter. > "fingernail-sized or smaller bits of plastic", often microscopic https://en.wikipedia.or

That's correct, it's something like four particles per cubic meter. > "fingernail-sized or smaller bits of plastic", often microscopic https://en.wikipedia.org/wiki/Great_Pacific_garbage_patch https://en.wikipedia.org/wiki/Great_Pacific_garbage_patch