00000nam 2200000zi 4500 9.922443 CaOODSP 20250107144058 m o d f cr bn||||||||| 230509t19771977oncab os f000 0 eng d 0662006992 (print) CaOODSP eng rda CaOODSP eng eng fre n-cn--- x7x7 En42-1/5-76-14E-PDF En42-5/76-14 Nicholl, C. S., author. Ambient air quality 1970-74 : a statistical analysis / by C.S. Nicholl and P.J. Choquette. [Ottawa] : Pollution Data Analysis Division, Air Pollution Programs Branch, Air Pollution Control Directorate, 1977. ©1977 1 online resource (ix, 69 pages) : illustrations, map. text txt rdacontent computer c rdamedia online resource cr rdacarrier Environmental Protection Service report series "EPS 5-AR-76-14." "February 1977." On cover: Surveillance report, EPS 5-AR-76-14. Digitized edition from print [produced by Environment and Climate Change Canada]. Includes abstracts in English and French. Air quality Canada Statistics. Air Pollution Canada Statistics. Air Qualité Canada Statistiques. Air Pollution Canada Statistiques. Statistics lcgft Statistiques rvmgf Canada. Environmental Protection Service, issuing body. Canada. Air Pollution Control Directorate, issuing body. Environmental Protection Service report series. (CaOODSP)9.866031 PDF 1.06 MB https://publications.gc.ca/collections/collection_2023/eccc/en42/En42-1-5-76-14-eng.pdf