But like Insaid todays acrylic latex is sonewhat vapor permeable so should perform fine.  

I've had several laminate floors laid on slabs and the contractor didn't lay a vapor barrier and only one of them moved a little.

Looks like a vapor barrier.

The Lessor shall not lease or sell the units within fifty (50) feet of Lessee's demising wall to the following users(s): a) Bars, taverns, billiard halls; b) Pawn shops; c) Dance studios or Karate studios; d) Beer or wine-making stores; e) Psychological counseling offices/facilities; f) Unemployment or Social Security offices; g) Liquor stores; h) Tattoo shops/body art/piercing tenants; i) Beauty/Hair Salons, Cosmetology Services, or Nail Salons; j) Gun and Weapon shops; k) Smoke/Tobacco or Vapor/E-Cigarette shops; l) Child Care/Children's gymnasium; m) Dry Cleaning Plant facility; n) Veterinarian/Dog Grooming/Animal Boarding; o) Gym/Workout facility; p) Same day cash/loan shops; q) Massage parlors (except for national chains such as Massage Envy and the like); r) Police substations; s) Military recruiting offices; ort) Any other non-professional use similar to those listed above.

A cabin next door to one of our nicer Cabins burned to the ground and vaporized one of our retainer walls, but no other mentionable damage other than that.

What happens with the chemicals from the plume  is that they vaporize over a long period of time, and the gas vapors come up into a basement.

If it is not on paper it is as good as vapor. 

What ended up being the problem was that ground water was getting vaporized by an electrical charge from the the power supply underground servicing the pool. 

Not knowing the type of "factory" that you are operating, you may also need to keep in mind that vapor intrusion *could* be an issue for an adjacent multi-family residential building.

This batt insulation should not have any kraft paper or vinyl facing (vapor retarder) on it as this will create a condensation and mold problem.