PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 30248879-6 2018 An initial target of 0.5 mg L-1 free chlorine ensured sufficient suppression of intact cells for up to 14 days (setting the time intervals for system flushes at times of low water usage). Chlorine 37-45 immunoglobulin kappa variable 1-16 Homo sapiens 28-31 30248879-7 2018 Bacterial regrowth was only observed when the free chlorine concentration was below 0.34 mg L-1. Chlorine 51-59 immunoglobulin kappa variable 1-16 Homo sapiens 92-95