# The Gas (Calculation of Thermal Energy) (Amendment) Regulations 1997, Regulation 12


In Part I of the Schedule to the Principal Regulations, for the last entry in the Table there shall be substituted the following entries—
Height above sea level in metres
Pressure in millibars to be deducted
Height above sea level in metres
Pressure in millibars to be deducted
Height above sea level in metres
Pressure in millibars to be deducted
>295.0<=297.5
35.762
>332.5<=335.0
40.269
>370.0<=372.5
44.777
>297.5<=300.0
36.062
>335.0<=337.5
40.570
>372.5<=375.0
45.077
>300.0<=302.5
36.363
>337.5<=340.0
40.870
>375.0<=377.5
45.378
>302.5<=305.0
36.663
>340.0<=342.5
41.171
>377.5<=380.0
45.678
>305.0<=307.5
36.964
>342.5<=345.0
41.471
>380.0<=382.5
45.979
>307.5<=310.0
37.264
>345.0<=347.5
41.772
>382.5<=385.0
46.279
>310.0<=312.5
37.565
>347.5<=350.0
42.072
>385.0<=387.5
46.580
>312.5<=315.0
37.865
>350.0<=352.5
42.373
>387.5<=390.0
46.880
>315.0<=317.5
38.166
>352.5<=355.0
42.673
>390.0<=392.5
47.181
>317.5<=320.0
38.466
>355.0<=357.5
42.974
>392.5<=395.0
47.481
>320.0<=322.5
38.767
>357.5<=360.0
43.274
>395.0<=397.5
47.782
>322.5<=325.0
39.067
>360.0<=362.5
43.575
>397.5<=400.0
48.082
>325.0<=327.5
39.368
>362.5<=365.0
43.875
>400.00
48.383
>327.5<=330.0
39.668
>365.0<=367.5
44.176
>330.0<=332.5
39.969
>367.5<=370.0
44.476

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Source: https://www.legislation.gov.uk/uksi/1997/937/regulation/12 (the official version)
Page: https://openlegislation.uk/gas-calculation-of-thermal-energy-amendment-regulations-1997/regulation-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.