US8955703B220150217US8955703enB220150217US8955703en08955703US201113013546National20110125US20111301354620110125USUS201113013546F16N 31006FI20150528USBHF16N 31002LI20130101EPBHF16N 31002LI20130101USBHB65D 30/10 20060101AFI20150217BHUS 20060101AFI20150217BHUSB65D3010B31B 50/78 20170101ALI20180130RMEP 20170101ALI20180130RMEPB31B5078F16N 31/00 20060101ALI20150217BHUS 20060101ALI20150217BHUSF16N3100Collapsible containment bermUS5762233A19980609USRE39971E20080101US7819270B120101026US2008152431A120080626US2010028081A920100204US2010294779A120101125US5090588A19920225US5316175A19940531US5511683A19960430US5547312A19960820US5924461A19990720MCATARIAN PATRICK FUSMCATARIAN MARKUSMCATARIAN PATRICK F.MCATARIAN MARKMCATARIAN PATRICK FUSMCATARIAN MARKUSANDAX IND LLCUSMCATARIAN PATRICK F.MCATARIAN MARKANDAX INDUSTRIES LLCMCATARIAN PATRICK FUSMCATARIAN MARKUSANDAX IND LLCUSMCATARIAN PATRICK F.MCATARIAN MARKANDAX INDUSTRIES LLCContainment berms (40) for the collection of hazardous materials are provided which include a floor (42) with an upstanding, continuous, foldable sidewall (44) to define and internal zone (46) for receiving and holding hazardous materials. The sidewall (44) may be supported by means of external support structure (48) and/or internal support structure (50). The support structures (48, 50) each include a plurality of support leg assemblies (52, 52a) which are secured to sidewall (44) and are pivotal about respective upright axes (66, 66a, 150) and are pivotal from retracted positions close to the sidewall (44) to deployed positions extending from the sidewall (44) and substantially perpendicular thereto.