The Chao Phya Abhaibhubejhr Hospital Foundation on Wednesday asked the National Human
Rights Commission (NHRC) to investigate the "damaging impact" of PTT's drilling for an
underground gas pipeline on its herb farm in PrachinBuri province.
It asked that PTT be forced to relocate its pipeline.
Pharmacist Supaporn Pitiporn, secretary-general of the foundation, filed the complaint with human
rights commissioner Niran Pitakwatchara.
It is alleged that horizontal drilling for the pipeline's route had caused mud — bentonite — to spill on to two rai of its farm where about 70 rare herbs were being grown in Noen Hom sub-district of Muang Prachin Buri district. The incident happened in January.