History of TOMAKOMAI AREA ENVIRONMENTAL SUPERVISION CENTER
March,1973 Tomakomai Antipollution Center was established
June,1973 Air pollution Monitoring Telemeter System was introduced to Tomakomai
Antipollution Center and began operations
March,1980 Tomakomai Antipollution Center was put under the supervision of the city of
Tomakomai
April,1980 Tomakomai Area Environmental Supervision Center was established,
Tomakomai Area Air Pollution Monitoring Telemeter System began operations@@@@
1981-March,1985 Telemeter System for Factories was set up
1982-March,1985 Electrical Board was built on the street
June,1988 Airplane Noise Monitoring System was set up
October,1989 Air Pollution Monitoring System was updated
August,1991 Electrical Board on the street was replaced by CRT Display
March,1994 Telemeter System for Factories was updated (lines were changed to general lines
of Nippon Telegraph and Telephone Corporation)
April,1994 Air Pollution Emergency Reporting System was updated (simultaneous reporting by
facsimile)
June,1994 Areas covered by Airplane Noise Monitoring System was expanded
October,1994 Air pollution Monitoring System was updated
August,1996 CRT Display was updated