November-December 2018

Compiled and edited by Rakesh Kumar, Managing Editor, Air Conditioning and Refrigeration Journal National Programs Ventconf 2018 Grows Bigger and Better Ventconf, the flagship national pro- rector General, BEE. In a departure from gram of Delhi Chapter, was centred this tradition, to avoid the use of fuel and to year on the theme ‘Emerging Trends in prevent any adverse impact on air qual- Green and Efficient Rail Transit Systems’. ity, the formal start of the conference was It was organised by ASHRAE Chap- marked by watering of a plant instead of ter, Delhi Chapter of ISHRAE and Delhi lighting of lamps. Metro Rail Corporation (DMRC) at Le Me- Vikram Murthy, National President- ridien on December 20 and 21. A num- Elect of ISHRAE, briefed the audience ber of Associate Societies supported it: All India Air Conditioning and Refrigera- tion Association (AIACRA), Indian Green Building Council (IGBC), Defence Infra- Dr. Mangu Singh Ritesh Singh structure Planning and Management Council (India) (DIPM Council India), In- ways in shaping modern India, and dian Chamber of Commerce (ICC), Green some of the Green initiatives of DMRC. Rating for Integrated Habitat Assessment For the first time in the world, DMRC (GRIHA), Indian Plumbing Association has developed a Green rating system (IPA), Contamination Control Society of for metros along with IGBC. All metro India (CCSI), IAPMO India, Fire & Security stations of DMRC Phase 3 are Platinum Association of India (FSAI), and Bureau of Vikram Murthy rated. Energy Efficiency (BEE). Subir Das, President of DCI, proposed K. K. Mitra, convenor of the steering about the activities of ISHRAE. the vote of thanks at the end of the inau- committee, opened the conference. In Sanjeev Kumar Lohia presented his gural session. vision of Stations of the Future. The first technical session was chaired by A. K. Garg, Director (Opera- S. M. H. Adil

theme ‘Metro Station HVAC Design’, was chaired by V. Suresh, Chairman, IGBC. The speakers were Ashish Rakheja – Manag- ing Partner of AEON Integrated Building Design Consultants, Jagdeep Singh, MD of Agape Ecotech, M. Anand, Principal Consultant at IGBC, Deepak Kumar Gupta and Chandan Kumar from DMRC, and J. Ashish Rakheja welcomes the delegates Hari Prasad from Rail. Sanjeev Kumar Lohia his welcome address, Ashish Rakheja, Rashmi Bhardwaj Chairman, Ventconf 2018, mentioned Abhay Bakre apprised the delegates that representatives of ten metro rail- on some of the recent initiatives of BEE, tions), DMRC. The theme of Session 1 ways in India were present at the con- was ‘Metro Station Planning/Design’. ference. There were more than 400 reg- The speakers were Rashmi Bhardwaj istrations. The event was partnered by a from DMRC, Raman Sikka from Sikka As- record number of 18 companies. Forty sociates, Shival Manchanda from Enia- speakers were scheduled to speak, some Design, Rajesh Kumar Jain and Amit of them in parallel sessions. He men- Tripathi from DMRC, and Rajeev Ranjan Jagdeep Singh tioned the unfortunate passing away of from Systra MVA Consulting. several industry stalwarts in the recent Session 4 was held concurrently with past: Dr. Prem C. Jain, Anoop Kumar Gup- Session 1. Its theme was ‘Ventilation of ta – the driving force behind the green- Buildings, Stations and Railway Tunnels’ ing of DMRC, Prof. P. L. Ballaney, and Anil Abhay Bakre and it was chaired by Nitin Naik, Sub-re- Maheshwari. A minute’s silence was ob- gional Chair II, ASHRAE Region-at-Large served in memory of the departed souls. including the launch of Global Cooling (RAL). Dr. Mangu Singh, MD of DMRC, was Prize in association with Department of The speakers in Session 4 were Nabila the Chief Guest. The Guests of Honour Science & Technology, Government of Mariyam and Mayank Prakash Chauhan were Sanjeev Kumar Lohia, MD & CEO, In- India. dian Railway Stations Development Cor- In his keynote address, Dr. Mangu poration (IRSDC), and Abhay Bakre, Di- Singh explained the role of metro rail- M. Anand

Session 5 was held around the theme ‘New Age Operations of Metro Systems’, and was chaired by Jitendra Tyagi, MD, Metro Rail Corporation.

Nitin Naik chairs Session 4

from DMRC, Ravi Bhushan from N. F. Rail- way, Ritesh Singh from Systra MVA Con- sulting, S. M. H. Adil from GEED Simula- tion, and Michael Feuser from Twin City Fan. Dignitaries watering a plant Post-lunch, Session 2 and 5 were Jitendra Tyagi held concurrently. Session 2, on the

November - December 2018 1 ISHRAE eNews National Programs contd... The speakers were Deepak Raikar Session 7 was on the theme ‘Metro from Honeywell Global Engineering Ser- Experiences and Future Plans’, chaired by vices, Rajnish Joshi from CANI Marketing, Vir Advani, MD of Blue Star. Record Registration at Gautam Kumar from DMRC, Mili Majum- dar, MD, Green Building Certification Inc. (GBCI), and Rishi Kapoor from YORK RACON 2018 (Johnson Controls).

Saving the environment through energy efficiency is the need of the hour. Energy conservation, sustainability, safety and environmental protection are interlinked and technologies promoting them need to be developed – this was at the core of the 14th edition of RACON organised by Kolkata Chapter on December 7 and 8 at Novotel, Newtown (Rajarhat). The theme of the conference this year was ‘Next Generation Technologies for Building & Industrial Services’. A record 500 delegates had registered for the conference. Vir Advani chairs Session 7 Mili Majumdar Curtain Raiser The speakers were J. Hari Prasad of Chennai Metro, A. K. Singh of DMRC, M. The Curtain Raiser of the event was held on the evening of December K. Singhal of , Mahendra Ku- 6. A two-minute silence was observed in memory of Dr. Prem C. Jain and mar of , R. K. Sharma of Anil Maheshwari – industry stalwarts who passed away recently. Manoj Mumbai Metropolitan Region Develop- Chakravorti, President-Emeritus of Kolkata Chapter, welcomed the ment Authority (MMRDA), Prashant Rao delegates. C. Subramaniam, ISHRAE National President, congratulated of Mega Metro, Neelam Chandra of Maha the Kolkata team for organising the event. While briefing the audience Metro, and Ravi Ramparia (Architect) and Pankaj Dharkar (President, Pankaj on the progress made by ISHRAE on various fronts, he announced the Dharkar Associates). successful completion of the first ISHRAE-funded research project AIP- 1 on IEQ Implementation Methodology, undertaken by IIT Madras and Rishi Kapoor MNIT Jaipur. He displayed the Research Paper issue of Air Conditioning and Refrigeration Journal as proof of ISHRAE’s commitment to research. Session 3 was the last session of the He disclosed that for the second consecutive year, a student team day. It was a panel discussion, moder- ated by Ashish Rakheja, on the topic ‘De- supported by ISHRAE has won the third prize in an international coding VRF’. The panellists were Rakesh student contest, held in China. Speaking about ISHRAE membership, Juneja (Hitachi), Seemant Sharma (John- which has touched 23,000 including student members, he welcomed son Controls), Sangharsh Nayyar (Con- the chartering of Bhopal as the latest chapter. sultant), J. Hari Prasad (Chennai Metro), K. D. Singh (Aircon Engineers), U. V. Trive- di (Daikin India), and Narendra Kumar (Chennai Metro).

A. K. Singh

Manoj Chakravorti welcomes the C. Subramaniam addresses the delegates gathering

Ashish Rakheja moderates the Ashok Virmani, Chairman – Suvidha Engineers, was the Guest of panel discussion Honour at the Curtain Raiser. He wished RACON success. The Chief Guest was Yatish Kumar, CMD of Braithwaite & Co. Neelam Chandra In his address to the gathering, he advised ISHRAE not to miss the huge opportunity offered by Railway projects such as air conditioning of coaches, and to suggest appropriate policy The panellists (l to r): Rakesh Juneja, changes to the government. Seemant Sharma, Sangharsh Nayyar, Chief Guest Yatish Kumar speaks He offered himself as a bridge J. Hari Prasad, K. D. Singh, U. V. Trivedi to the audience and Narendra Kumar between ISHRAE and any ministry. Shailesh Nigam of Daikin, the Curtain Raiser partner, made a Session 6, on the second day, began corporate presentation. with a motivational talk on ‘Sustainability This was followed by a lively panel discussion on ‘Challenges for and Life’ by Swami Sukhabodhananda, Indian Manufacturers in Achieving Global Standards in Quality and the Master Speaker of the conference. He averred that internal ecology Reliability’, moderated by Dr. Himadri Guha. The panellists were C. sustains life, and exhorted the audience Pankaj Dharkar and Ravi Ramparia Subramaniam, Vikram Murthy (National President-Elect, ISHRAE), to operate from prema, not from raaga Manoj Chakravorti, S. M. Kulkarni (Senior General Manager – R&D, Blue or dvesha. He received a spontaneous Session 8 focused on ‘Innovation in Star), and Sanjay Goyal (Director, Daikin India). The panel concluded standing ovation at the end of his Railway Station Design’. It was chaired that Indian manufacturers can certainly achieve global standards. electrifying speech. by Richie Mittal, RMCR, ASHRAE RAL. Amitabha Sur, Convenor of RACON 2018, proposed the vote of The speakers were Atri Joshi from EniaDesign, Sunil Khatwani from LG, thanks. Gurpreet Singh Shah from Creative Group, and Nosaka Akinori from Dai- kin. The concluding session – Session 9 – was a panel discussion moderated by Ashish Rakheja on the topic ‘Future of Mass Transit Systems’. Thus ended the two day confer- ence packed with knowledge sharing, (L to R) S. M. Kulkarni, Manoj Chakravorti, Vikram Murthy, Sanjay Goyal, C. motivational case studies and net- Swami Sukhabodhananda Subramaniam and Dr. Himadri Guha participate in the panel discussion working.

2 November - December 2018 ISHRAE eNews National Programs contd...

Day One Day Two Arvind Surange was the session chair on December 8. Pankaj Dharkar presented a case study on ‘Integration of All Services for Achieving a Net Positive Building Varun Swarup Design’. Chirag Kataria presented Lighting the lamp (L to R): S. Ganesh, Manoj Chakravorti, C. Subramaniam, Mark Rickard, a paper on Molecular Filtration. Ashok Virmani, Amitabha Sur, Kapil Malhotra and Sandeep Seth Industry stalwarts who have Prashant Desai made a presentation RACON 2018 began officially on served for more than 50 years were on ‘Energy Optimisation in the morning of December 7 with also honoured. The list included K. Pharma HVAC&R’. Harshal Surange the traditional lamp-lighting. C. V. Jog, Prof. Dr. Samir Shah, Leslie spoke about ‘Emerging Trends Subramaniam, Manoj Chakravorti, D’Souza, S. P. Jain, N. Vaidyanathan, in Refrigeration and Cold Chain Ashok Virmani and Amitabha Sur Akbar Bharmal, Santosh Singh (in Industry’. were joined by S. Ganesh (President, absentia) and V. Madhava Rao. Kolkata Chapter), Kapil Malhotra (Blue Star), Sandeep Seth (CEO, Trane) and Mark Rickard (Marketing Director, Richard Air Distribution, Mark Rickard South Africa) on the dais. K. Ramachandran (presidential The last item in Session 2 was K. V. Jog member, ISHRAE) chaired the first an interesting debate on ‘All Green technical session. Troy Goldschmidt Certifications are Notional’. Pankaj (Greenheck) presented a paper Dharkar, G. C. Modgil and Pramod on ‘Laboratory and Fume Exhaust Dhir were for the motion. D. Nirmal Pankaj Dharkar Applications’. Prabhat Goel made a Ram, K. Ramachandran and Richie presentation on Internet of Things. Mittal spoke against the motion. Dr. Leslie D’Souza Arup Majumdar spoke about Himadri Guha was the moderator. ‘Refrigerants – Trends, Impacts and Future’. These presentations were interspersed with product presentations by Blue Star, Carrier and Pidilite.

Participating in the debate (from L to R): Rcihie Mittal, K. Ramachandran, D. Nirmal Ram, Dr. Himadri Guha, Pankaj Dharkar, G. C. Modgil and Pramod Dhir

Felicitation Night Chirag Kataria The evening of December 7 was celebrated as Felicitation Night. It began with the felicitation of Troy Goldschmidt associate societies: Confederation of Real Estate Developers’ Associations of India (CREDAI), Indian Plumbing Association (IPA), Fire & Security N. Vaidyanathan Association of India (FSAI) and Indian Institute of Architects (IIA). This was followed by recognition of industry captains. Those to be Prabhat Goel honoured were K. J. Jawa (MD, Daikin Prashant Desai India), B. Thiagarajan (Joint MD, Blue Star – in absentia), Nicholas Heaton (CEO, Elta Group Asia) and Gurmeet Singh (in absentia). Akbar Bharmal

Arup Majumdar

Session 2, held post-lunch, was chaired by Sunil Gupta. Jagdeep

Singh, MD of Agape Ecotech, present- Harshal Surange ed a paper on ‘Use of Geothermal and Associated Technology in Eco Air Con- K. J. Jawa being felicitated V. Madhava Rao There were partner ditioning’. Mark Rickard made a pre- presentations by Kehems and Young entrepreneurs were next sentation on VAV Diffusers. The tech- The team behind the success of Elta Fans, and an ACREX 2019 in the honours list. Varun Pahwa nical presentations were interspersed RACON 2018 was introduced, following promotional film. The delegates (Pahwa Grouop) and Varun Swarup with product presentations by Trane which they posed for a group photo. dispersed with the feeling that it (Paharpur Cooling Towers) were and Kubic. There was a presentation by Elta was a well organised event worth felicitated. Fans, the Felicitation Night Partner. attending.

Jagdeep Singh Varun Pahwa The team behind RACON 2018

November - December 2018 3 ISHRAE eNews Advocacy Mumbai Chapter Supports ASHRAE Summit ASHRAE Mumbai Chapter organised a summit on RATA Secretary Mihir Sanghavi, and ASHRAE CTT December 14 at Sahara Star, on the theme ‘Decoding Chair Sandeep Mendiratta. ASHRAE Standards’. It was supported by ISHRAE Mumbai Chapter. The Associate Societies were Awesome, Indian Plumbing Association (IPA), Indian Green Building Council (IGBC), Indian Association of Energy Management Professionals (IAEMP), International Facility Management Association (IFMA) India, and Refrigeration and Air Conditioning Trades Association (RATA). The Summit met with enthusiastic response. Shirish Deshpande Almost 250 delegates registered for the event. The traditional lamp of knowledge was lit by GRIHA/LEED on HVAC Design’ by Shirish Deshpande ASHRAE Mumbai Chapter President Shankar Sapaliga, Shankar Sapaliga welcomes the delegates of Energetic Consulting Pvt. Ltd. 2016-17 President Nitin Naik, President-Elect and In the post-lunch session, Dr. Chandra Sekhar Convenor Amod Dikshit, Co-Convenor R. N. Joshi, Shankar Sapaliga welcomed the delegates and returned to make a presentation on ‘Ventilation, IAQ ISHRAE National President-Elect Vikram Murthy, briefed them about ASHRAE and its activities. and Energy Issues in Hot/Humid Climates’. He was ASHRAE Distinguished Lecturer Dr. Chandra Sekhar, The first technical session was taken by Dr. followed by Dr. Jyotirmay Mathur, who took a session Chandra Sekhar, who demystified ASHRAE Standard on ‘Decoding ASHRAE Standard 90.1’. 62.1. The second technical session was on ‘Impact of In between the technical presentations, there were partner presentations by Haier Appliances, Wilo Mather and Platt Pumps, and FabricSox Air Dispersion System. Audio-visual promos of ACREX 2019 and REFCOLD 2019 were also played. Richie Mittal apprised the audience about the upcoming Asian Conference on Indoor Quality, scheduled in New Delhi on February 2 and 3, 2019. The last session of the day was an interactive session on discussions and learnings of ASHRAE Lighting the lamp (L to R): Mihir Sanghavi (partly visible), codes, NBC, ECBC, GBC and GRIHA. The participants Amod Dikshit, Dr. Chandra Sekhar, R. N. Joshi, Nitin Naik were M. V. Deshmukh, Dr. Jyotirmay Mathur, Shirish (partly visible), Shankar Sapaliga, Vikram Murthy and Dr. Chandra Sekhar Deshpande, Sandeep Goel, G. C. Modgil, Vikram Sandeep Mendiratta Murthy and Dr. Chandra Sekhar. Urjavaran at Thiruvananthapuram Guidelines for Trivandrum Chapter organised a one Reports in eNews day National Seminar, Urjavaran 2018-19, on • The deadline for receiving to right. Only first names or only December 15 at Energy Management Centre, reports is the last day of the last names are not enough. (In Thiruvananthapuram. There were 218 registrations, relevant period. For example, case of large group photos, e.g. including 64 ISHRAE members, 108 non-members for publication in the January- a batch of 20 participants in a and the remaining guests. The delegates were February issue, the deadline is training program, all names are mainly from various government and private February 28. neither feasible nor necessary. organisations like ISRO, IISU, CSIR, SCIMST, Technical • Please send or copy reports of Key names would suffice in such Educational Directorate, KTDC, Technopark, AAI and G. Madavan Nair gives the events to [email protected] cases.) HLL, and architects, HVAC industry professionals, inaugural speech • In addition to the jpg files, dealers and MEP contractors. • Please send a Word file photos may also be copy- The Chief Guest was Padma Vibhushan Dr. containing a brief report of pasted on the Word file at G. Madavan Nair – former chairman of ISRO, and the event: what, when, where, relevant places, with captions former Secretary to the Department of Space, who and any other relevant below each photo. Government of India. ISHRAE National President information. Pdf and ppt files C. Subramaniam presided over the inaugural must be avoided. • News related to student function. • Relevant photos in jpg format and K12 activities may be The Seminar comprised four technical talks should accompany the report. sent to [email protected] and a motivational speech. In addition, product Each photo should have a and [email protected] presentations were made by Gold partner caption describing the occasion respectively, for publication Sanhua, ACREX partners Zamil and Armacell, and C. Subramaniam makes the and giving the full names of in Student Connect and K12 technology partner Mitsubishi Electric. presidential address persons in the photo from left Activity Newsletter.

ISHRAE Reaches

Volume 1 July 2018 April 2018 – June 2018 From SUE Volume 04 the desk of INSIDE THIS IS Out to Students the President From the desk of the Mr. C. Subramaniam National Chair SUBRAMANIAM C, National President K12… From the desk , NATIONAL PRESIDENT [email protected] Mr. BalaKrishna Bisoyi ISHRAE ISHRAE welcomes National Chair K12 esident all the children of Pr back from holidays! of K 12 (Kindergarten to 12th Std) – As Leadership of Project Grant you are aware, tomorrow depends – Ishrae Student we from ISHRAE today, especially on how we educate Ÿ ISPG PG level and Children reaching out to have taken in science, technology our students at UG level and children this sign of K 12 on initiative of T , engineering Student De of sustainable some of the most oday's children & maths – National living. To achieve important aspects are tomorrow's of ISHRAE, Ÿ NSDC to equip these goals Science, Technology workforce. Inculcating Student members ourselves with and objectives, , Engineering the idea Dear from ISHRAE Competition be the right type of we need Kindergarten & Math (STEM) of to all of you Job Junction able to differentiate knowledge with to 12th standard to students Warm greetings year! Ÿ IJJ – ISHRAE between what which we will committee, (K-12), is from to the new academic us and what is good and the standing the objective and welcome bring this Visits is the way what is bad for K-12 committees of K-12 happy to Ÿ Industrial inars, knowledge forward. There all of committee of ISHRAE at is extremely for heights uring we tures, Sem So as to take ISHRAE’s engagement with students and and are broadly co-ordinates the HQ level. ISHRAE Newsletter lence in ens nical Lec awareness that two types competitions, essay competitions,various debate STEM completions organizedThe by StudentConnect to our hnical Excel ms of Ÿ Tech orkshops for them children have of based activities, edition of Thanks Ÿ Tec ality progra and W to be successful to necessarily chapters/sub painting Members. are er high qu in Conferences to the and responsible acquire chapters ISHRAE Student team who deliv to members and access are they? citizens in government th@Ishrae in content at Blogs of of the world. especially schools, vibrant You excellence & R industry Ÿ Technical that has a wealth What for the under un-aided beautifully. and the HVAC Bank One with privileged students schools compiling this particular Knowledge topics of interest children to the next level, HQ has started newsletters devoted is knowledge in an objective to throughout feel that students on various the fields of create awareness the country strongly and large Centre information and Mathematics Science, Technology save our mother earth. It praiseworthyon to science mention here that in 2017- We at ISHRAE Universities to be at the lot more . . . (STEM) , Engineering & technology great Indian – ISHRAE plus a (IIE) types along with 18, and to from our country as well Ÿ Advocacy – Academia of Excellence of arts and special focus we have connected future of our y – Government Institute ring skills that one on the various more are the ecomes ver of Industry Our ISHRAE d Enginee of others has to develop activities. This than 22,000 Institutes Hence, it b an Advance is exclusively to activities related to these target groups. Student as well to appreciate year we have kids through the world. try to stay Interface also offers subject which as develop individual the works in connected various as in the Indus on Industry in AC & R responsible capabilities the first quarter through more tant for us and focus and deliver Course students who and contributing to become itself. than 6,000 impor members Ÿ Research – supported Diploma and helps human very kids with the student the led, Academia career oriented course to beings to the Students connected as well with and fully ergraduate The other Society at large. can create dif upto speed identified sponsored projects ete the und type of knowledge entire ference, not bring them breakthroughs Government compl . Universe is about society. Scientifically just for the school, and and ISHRAE industry ready Connect is a newsletter meant for members of Student etc., - respect the very existence literate but for the current transformations . what does become for the basic of the of scientifically children will in our Industry Student members, many are – Sathya, human values illiterate children. work better than that are happening the For have put together Looking forward to a lot of student Dharma, in mankind, educate Thus, we that to excellence, to offer? We translated Shanthi, Prema which the student community have social obligations on our journey has become and Ahimsa small in our to Continuing for you: iz community to join this great industry and – Truth, Right – which if beginning own way. This this year is STAR: activities l Level Qu add value to our nation. Violence. Conduct, Peace, to educate, e-newsletter theme for up by a Nationa Chapters, and K12 Activity Newsletter is targeted at children You as children Love and community connect and is a activities taken Ÿ aQuest, rightful have responsibility Non- in a much better understand our the various greater manner with to practice way. student Ÿ Sustain and take it to Competition love and respect truth in a We wish to of us so far non-violent towards for universe and express our sincere all Nature, which human beings C. Subramaniam gratitude to our national Sustainability in is the most important and President President Mr s from Kindergarten to Std. 12. order to acquire Peace aspect of constant encouragement, Elect Mr. Vikram . rant world. within yourself support Murthy for their frige as well as in the newsletter. & motivation for carrying al Re out this e- Use of Natur We look forward Selected Article to receive constructive BANERJEE for Air Conditioning eNews wishes both the publications a huge success in their from our esteemed feedback - AKANISTHA to student and suggestions these HFCs improvement. community and has shifted from Contd. to Page 02... readers Institute of Engineering & Management, Kolkata , the focus better alternative. for further 1997 Recently provide a in 1987 and refrigerants which as those K12 NATIONAL and Kyoto Protocols natural refrigerants COMMITTEE The Montreal for regulating defines Natural that can endeavors. laid down foundations used by Greenpeace synthetic substances CHAIRMAN respectively amage ca no and air- nmental d arious naturally occurring, in refrigerators Mr. Balakrishna Bisoyi VICE CHAIRMAN the enviro of which v cooling agents (propane, ZONAL As a result into be used as drocarbons 89868-80539 Mr. B. Madhu CHAIR – EAST efrigerants. ed and set such as hy water Dr. Meenakshi Rathore ZONAL CHAIR – WEST r establish r ditioners, ammonia, 98490-35527 ndards were rocarbons o con CO2, With Mr. Arun Chinchore ZONAL CHAIR - NOR sta use of fluo and cyclopentane), Five'). Chapters and Sub-chapters may, in future, send news related 78699-1530 TH on regarding ses. But, butane, known as 'Gentle 98223-91722 Mr. Pradeep Kuamar Dua ZONAL CHAIR – SOUTH moti n as F-ga (collectively mentioned that only know nmental and air it must be 99100-34155 Mr. Krishnasamy R comm d of enviro this definition it ately instea regards to is produced synthetically 98948-55588 unfortun profits and market (NH3) nd hence was business and although ammonia ial cycles a concerns it importance ture's mater various greater ccurs in na of the to student and K12 activities to the following email addresses: share that assumed (CFCs) and o A comparison of as natural. of the parameters Chlorofluorocarbons CFCs) were classified on the basis zone although ocarbons (H is done WP) and O rochlorofluor replaced by refrigerants otential (G Hyd only to be Warming P out they were , w h i c h Global phased s ( H F C s ) Potential (ODP). o r o c a r b o n ases. Depleting Continued to Page 03 Student activities: [email protected] H y d r o fl u reenhouse g are strong g themselves K12 activities: [email protected]

4 November - December 2018