Gas monitors, namely, gas sensors for identifying and/or measuring gas concentration for certain types of gasses; landfill gas analyzers; gas migration monitoring probes for identifying, monitoring and/or measuring gas concentration for various types of gasses; computer software for collecting, storing and analyzing data from gas analyzers; computer software for generating environmental compliance reports; calibration checkers to measure gas properties; leachate level monitors for measuring concentration of materials escaping landfills; computer hardware in the nature of a field computer for gathering gas data; temperature profiler, namely, temperature sensors

'analyz':19,42,46 'and/or':8,27 'calibr':54 'certain':13 'checker':55 'collect':39 'complianc':52 'comput':36,47,70,78 'concentr':11,30,65 'data':43,82 'environment':51 'escap':68 'field':77 'gas':1,4,10,18,20,29,45,58,81 'gass':16,35 'gather':80 'generat':50 'hardwar':71 'identifi':7,25 'landfil':17,69 'leachat':60 'level':61 'materi':67 'measur':9,28,57,64 'migrat':21 'monitor':2,22,26,62 'name':3,85 'natur':74 'probe':23 'profil':84 'properti':59 'report':53 'sensor':5,87 'softwar':37,48 'store':40 'temperatur':83,86 'type':14,33 'various':32

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