LEADER 00500nam 2200157z- 450 001 9910712722303321 035 $a(CKB)5470000002496953 035 $a(EXLCZ)995470000002496953 100 $a20230509c1964uuuu -u- - 101 0 $aeng 200 10$aAuto-exhaust proportional sampler stability analysis 210 $cU.S. Environmental Protection Agency$aWashington, D.C 906 $aBOOK 912 $a9910712722303321 996 $aAuto-exhaust proportional sampler stability analysis$93269589 997 $aUNINA