Assertion: carbon disulfide | /r/HasProperty | detected at one of five sites
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Source sentences:
text: In a 1985-1986 study of background sites in the general vicinity of petrochemical refinery facilities west of Toronto, Ontario, carbon disulfide was detected at one of five sites in Port Credit at 0.000 11 µg/g, but not at any of six sites from Oakville/Burlington (Golder Associates, 1987).