Residue Mastic on Concrete Slab

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Does anyone out there have any suggestions regarding removal of sheet flooring (linoleum or vinyl) and mastic/adhesive?

If I remove the sheet flooring, leaving a residue of mastic/adhesive on a concrete slab, how do I prepare the floor before I install the new self-adhesive tiles?

(1) Is there something I can apply that will seal the residual mastic/adhesive and allow the self-adhesive tiles to adhere?

Or, (2) is there a solvent I can use that will remove the residual mastic/adhesive down to the concrete slab?

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The the house was built in 1976 with original sheet flooring (and mastic) that is likely asbestos.

There is a 2nd layer of 1-ft sq. tiles (and adhesive) that are probably not asbestos. Although, I don't know when or how the tiles were applied (self-adhesive or not.)

Even though there are no apparent problems with the either existing layer of flooring (no chipping, curling, or popping up) we wish to replace the flooring.

IF I can remove the tiles (and tile adhesive residue) without damaging the sheet flooring, AND if the sheet flooring is still in goog condition, I MAY be able to install the new self-adhesive tiles without having to remove it (the asbestos sheet flooring.)

BUT, if I have to remove the sheet flooring. then I will have to deal with the residual mastic/adhesive (asbestos).

I'm looking for as much information as I can get before I begin. So, thanks for the feed back.