000155031 000__ 01314cam\a2200325\a\4500 000155031 001__ 155031 000155031 005__ 20210513052524.0 000155031 008__ 920410s1991\\\\ilua\\\\\b\\\s000\0\eng\d 000155031 035__ $$a(OCoLC)ocm25624910 000155031 037__ $$bIllinois State Geological Survey, 615 East Peabody Drive, Champaign, IL 61820. 000155031 040__ $$aSPI$$cSPI$$dJNA 000155031 043__ $$an-us-il 000155031 049__ $$aISEA 000155031 090__ $$aQE105$$b.A32 no. 142 000155031 092__ $$a550.8$$bENVI, no.142 000155031 24500 $$aOptimal time for collecting volatile organic chemical samples from slowly recovering wells /$$cSheng-Fu J. Chou ... [et al.]. 000155031 260__ $$aChampaign, Ill. :$$bIllinois State Geological Survey :$$bHazardous Waste Research and Information Center,$$c[1991]. 000155031 300__ $$aiii, 18 p. :$$bmaps ;$$c28 cm. 000155031 4901_ $$aEnvironmental geology (Champaign, Ill.) ;$$v142 000155031 4900_ $$aHWRIC research report series 000155031 500__ $$a"HWRIC RR-058." 000155031 500__ $$a"ENR contract no. HWR 86019." 000155031 500__ $$a"EG 142." 000155031 504__ $$aIncludes bibliographical references (p. 17-18). 000155031 650_0 $$aWater$$xPollution$$xMeasurement. 000155031 650_0 $$aGroundwater$$zIllinois$$xSampling. 000155031 7001_ $$aChou, Sheng-Fu. 000155031 7102_ $$aIllinois State Geological Survey. 000155031 7101_ $$aIllinois.$$bHazardous Waste Research and Information Center. 000155031 830_0 $$aEnvironmental geology (Champaign, Ill.) ;$$v142. 000155031 85200 $$bgen$$hQE105$$i.A32$$ino.142 000155031 909CO $$ooai:library.usi.edu:155031$$pGLOBAL_SET 000155031 980__ $$aBIB 000155031 980__ $$aBOOK