Cboe Canada: ZEFI $0.77 -0.01
| FRA: Y6B €0.37 -0.01
| OTCMKTS:ZEFIF $0.57 -0.03
Cboe Canada: ZEFI $0.77 -0.01
| FRA: Y6B €0.37 -0.01
| OTCMKTS:ZEFIF $0.57 -0.03

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Methane Testing, Quantification, and Monitoring

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