I don't know about PolyCarobonate, but for LDPE and HDPE (and PET) that sounds incorrect. Certainly, chemists are worried about much smaller amounts of contamination (ppb) than humans and they would definitely know (and measure) how much plasticizer was leaching from their bottles.
It appears to be almost none:
https://www.thermofisher.com/us/en/home/life-science/lab-pla...