SPONSOR CPD PROGRAMME | CARBON DIOXIDE Module 142 Name (please print).......................................................................................... March 2019 Job title................................................................................................................... 1.Approximately how much heavier is CO2 compared to air? Organisation........................................................................................................ A 20% heavier B 40% heavier C 60% heavier D 80% heavier Address ................................................................................................................. .................................................................................................................................. .................................................................................................................................. E 100% heavier 2.What is the recently measured atmospheric CO2 level at the Mauna Loa Observatory in Hawaii? A Less than 350ppm B 351ppm 375ppm C 376ppm 400ppm Postcode ............................................................................................................... Email ...................................................................................................................... Are you a member of CIBSE? If so, please state your membership number: ..................................................................................... D 401ppm 425ppm The CIBSE Journal CPD Programme E More than 425ppm By participating in this CPD module, you consent to sharing your details with Titon. Titon may contact you via email and/or telephone with further information and technical insight on its services. You have the right to optout from such communications at any time. I understand that I will receive marketing communications from Titon after completing this module (please tick here): By entering your details above, you agree that CIBSE may contact you with information about CPD and other training or professional development programmes, and about membership of CIBSE, if you are not a member. Go to www.cibsejournal.com/cpd to complete this questionnaire online. You will receive notification by email of successful completion, which can be used to validate your CPD records. Alternatively, fill in this page and post it to: N Hurley, CIBSE, 222 Balham High Road, London, SW12 9BS 3.What is the critical point temperature for CO2? A -78.5C B -57C C 31C D 45C E 101.1C 4. In work reported by Allen, what CO2 level (on its own) reduced cognitive function scores by 15%? A This was not observed at all B Approximately 600ppm C Approximately 945ppm D Approximately 1,400ppm E Approximately 5,000ppm 5. In the interview with Wargocki, what was the level of CO2 (on its own) that he associated with observable effects on test subjects performance? A This was not observed at all B Approximately 600ppm C Approximately 945ppm D Approximately 1,400ppm E Approximately 5,000ppm 66 March 2019 www.cibsejournal.com CIBSE Mar19 pp63-66 CPD.indd 66 References: 1 www.esrl.noaa.gov/gmd/ccgg/trends/full.html accessed 6 February 2019. 2 Bloom, A et al, Nitrate assimilation is inhibited by elevated CO2 in field-grown wheat, Nature Climate Change, 2014. 3 www.ars.usda.gov/research/publications/publication/?seqNo115=353199 accessed 10 February 2019. 4 Carbon footprint of heat generation, Houses of Parliament PostNote, Number 523, May2016. 5 2017 UK greenhouse gas emissions: final figures statistical release, UK BEIS, 2019. 6 Clancy, E, KS17 Indoor air quality and ventilation, CIBSE. 7 CIBSE Guide A, CIBSE, 2015. 8 EH40/2005 Workplace exposure limits, UK HSE, 3rd edition, 2018. 9 Allen, JG et al, Associations of cognitive function scores with carbon dioxide, ventilation, and volatile organic compound exposures in office workers: a controlledexposure study of green and conventional office environments, Environmental Health Perspectives. 10 Chatzidiakou, E et al, Is CO2 a good proxy for indoor air quality in school classrooms? CIBSE Technical Symposium, April 2013. 11 Emergency and continuous exposure guidance levels for selected submarine contaminants: Volume 1, The National Academies Press, Chapter 3, 2017. 12 www.iaqradio.com/pawel-wargocki-phd-technical-university-of-denmark-is-co2-apollutant-or-merely-an-index-for-iaq/ accessed 7 February 2019. 13 Persily, A, Carbon dioxide generation rates for building occupants, Indoor Air, 2017 Sep; 27(5): 868879. 14 Gibson, D et al, A novel solid state non-dispersive infrared CO2 gas sensor compatible with wireless and portable deployment, Sensors (Basel). 2013 Jun; 13(6): 70797103. 15 www.purdue.edu/newsroom/releases/2018/Q1/purdue-developing-energysaving-sensor-in-doe-project.html accessed 9 February 2019. 22/02/2019 16:47