00000nam 2200000zi 4500 9.914209 CaOODSP 20230601074423 m o d f cr |n||||||||| 220805e199105##onc ob f|0| 0 eng d CaOODSP eng rda CaOODSP n-cn--- En40-1041/1991E-PDF Johnson, N. D., author. Methods manual for estimating emissions of common air contaminants from Canadian sources / a report to Environment Canada, Conservation and Protection, Regulatory Affairs and Program Integration Branch; submitted by: N.D. Johnson, M.T. Scholtz, V. Cassaday, ORTECH International. Ottawa : Environment Canada, Conservation and Protection, Regulatory Affairs and Program Integration Branch, May 1991. 1 online resource (1 volume (various pagings)) text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Environment and Climate Change Canada]. "Report no. P89-50-6299/FG." Includes bibliographical references. Air Pollution Canada Measurement. Air Pollution Canada Mesure. Canada. Environment Canada. Conservation and Protection, issuing body. ORTECH International‏, consultant. PDF 10.48 MB https://publications.gc.ca/collections/collection_2023/eccc/en40/En40-1041-1991-eng.pdf