Wick L Y, Gschwend P M
Ralph M. Parsons Laboratory, Massachusetts Institute of Technology, Cambridge 02139, USA.
Environ Health Perspect. 1998 Aug;106 Suppl 4(Suppl 4):1069-74. doi: 10.1289/ehp.98106s41069.
Benzene, diphenyl sulfone (DPS), para-hydroxybiphenyl (PPP), ortho-hydroxybiphenyl (OPP), higher hydroxybiphenyls, and alkylated benzenes were found in a small lake receiving contaminated groundwater discharge from the Industri-Plex Superfund site (Woburn, MA) in the Aberjona watershed in eastern Massachusetts. All of these chemicals may derive from the former phenol manufacturing activities present at the Industri-Plex site during World War I. Concentrations up to 1660 microgram/l benzene, 450 micro/l DPS, 230 microgram/l PPP, and 100 microgram/l OPP were detected in the hypolimnion. Epilimnetic concentrations of the chemicals were significantly lower (normally < 5 microgram/l). DPS showed a distinct seasonal behavior: It was readily biodegradable during warm periods. No biodegradation was observed in the winter, leaving export to the Aberjona River as the major removal mechanism. Although benzene is known to be toxic and a human carcinogen, our results indicate that DPS, OPP, and PPP are not mutagenic in tests using human MCL-5 and h1A1v2 cell lines.
在马萨诸塞州东部阿贝乔纳流域的一个小湖中发现了苯、二苯砜（DPS）、对羟基联苯（PPP）、邻羟基联苯（OPP）、高级羟基联苯和烷基化苯，该湖接收来自工业综合超级基金场地（马萨诸塞州沃本）受污染的地下水排放。所有这些化学物质可能源自第一次世界大战期间工业综合场地曾经进行的苯酚制造活动。在湖下层检测到苯浓度高达1660微克/升、DPS浓度高达450微克/升、PPP浓度高达230微克/升、OPP浓度高达100微克/升。这些化学物质在湖上层的浓度显著较低（通常<5微克/升）。DPS表现出明显的季节性变化：在温暖时期易于生物降解。冬季未观察到生物降解现象，向阿贝乔纳河的输出成为主要的去除机制。尽管已知苯具有毒性且是一种人类致癌物，但我们的结果表明，在使用人类MCL-5和h1A1v2细胞系进行的测试中，DPS、OPP和PPP没有致突变性。
