Please post the reason given for all of your refusals.
0904: out of focus, bad exposure, artefacts, missing model releases.
0036: out of focus, chromatic aberration, bad exposure.
(...)275: Bad framing (the dog's foot is too near the border), out of focus (eyes are not sharp), missing structure on the fur (I suspect the camera intelligence mistook that for noise), chromatic aberration
(...)315: Bad exposure (the dog should get some light), artefacts, colour noise, chromatic aberration
(...)720: Colour noise
and artefacts. You even see the noise at 50%. The framing is also not the best. The surfer should have been more to the right, or you should have cropped him out.