TÜV, Germany

Due to the current situation with the COVID-19 pandemic, TÜV is not able to publish renewed certificates with required signatures. Therefore, TÜV states that certificates with expiry date April 1, 2020, are still valid.    
Status letter TÜV Rheinland     Status letter Umweltbundesamt

Continuous Emissions Monitoring

All OPSIS CEM systems are approved according to EN 15267. The UV and FTIR DOAS systems are approved for:

Parameter/QAL 1 Certificate No.

O with O2000N  -  0000062063

O2 with O2000  -  936/808017/A  
SO2  -  0000040333
NO  -  0000040333
NO2  -  0000040333
NH3  -  0000040333
H2O  -  0000038495
Phenol  -  936/802011
Formaldehyde  -  936/802011
Hg - 0000040333 
HCl  -  0000038495
CO  -  0000038495
CO2  -  0000038495
HF  -  0000043525 
N2O  -  0000038495
CH4  -  0000038495

Air Quality Monitoring

OPSIS AQM DOAS system for monitoring SO2, NO2, and O3, is an equivalent method according to 2008/50/EC.
The OPSIS DOAS system is approved for:

Parameter/QAL 1 Certificate No.

SO2  -  0000025927
NO2  -  0000025927
O3  -  0000025927
Benzene  -  936/807014/C

Particulate Monitoring

OPSIS SM200 combined particulate sampler and monitor is an equivalent method according to 2008/50/EC.
It is approved for:

Parameter/QAL 1 Certificate No.

PM2.5  -  0000028753
PM10  -  0000027201

QAL 1 TÜV Rheinland Website >>