Programme of work


BUREAU OF INDIAN STANDARDS


Petroleum, Coal and Related Products Department

Programme of Work




PCD7 : Solid Mineral Fuels and Solid Biofuels


  • Scope : To formulate Indian Standards for a) Terminology, methods of sampling and test, codes of practice, classification by size and type, petrographic analysis and specification for solid mineral fuel b) Terminology, methods of sampling and test, codes of practice, classification and specification for raw and processed materials originating from arboriculture, agriculture, aquaculture, horticulture and forestry to be used as a source for solid bio-fuels.
  • Liaison :
    ISO/TC 238 - Solid biofuels - Participating (P)
    ISO/TC 238/TG 1 - Biocarbon
    ISO/TC 27 - Coal and coke - Participating (P)
    ISO/TC 27/SC 1 - Coal preparation: Terminology and performance - Participating (P)
    ISO/TC 27/SC 3 - Coke - Participating (P)
    ISO/TC 27/SC 4 - Sampling - Participating (P)
    ISO/TC 27/SC 5 - Methods of analysis - Participating (P)
    ISO TC 238/WG 1 - Terminology
    ISO TC 238/WG 2 - Fuel specifications and classes
    ISO TC 238/WG 4 - Physical and mechanical test methods
    ISO TC 238/WG 5 - Chemical test methods
    ISO TC 238/WG 6 - Sampling and sample preparation
    ISO TC 238/WG 7 - Safety of solid biofuels

Published Standards

SI. No.
IS No.
Title
Reaffirmation Details
No. of Amendments
Degree of Equivalence
1.
IS 12770:2025
Coal for Cement Manufacture - Specification (First Revision)
-
Indigenous
2.
IS 12891:2021
Determination of fusibility of ash from coal, coke and lignite (First Revision)
-
Not Equivalent
3.
IS 1350 (Part 1):2025
Coal and Coke - Methods of Test Part 1 Proximate Analysis (Third Revision)
-
Indigenous
4.
IS 1350 (Part 2):2022
ISO 1928 : 2020
Method of test for coal and coke : Part 2 determination of gross calorific value (Third Revision)
-
Identical under dual numbering
5.
IS 1350 (Part 3):2022
ISO 334 : 2020
Methods of test for coal and coke : Part 3 determination of total sulphur - Eschka method (Second Revision)
-
Identical under dual numbering
6.
IS 1350 (Part 4/Sec 1):2024
Coal and coke - Methods of test : Part 4 ultimate analysis, Section 1 determination of carbon and hydrogen (Second Revision)
-
Indigenous
7.
IS 1350 (Part 4/Sec 2):2025
Coal and Coke - Methods of Test Part 4 Ultimate Analysis Section 2 Determination of Nitrogen (Second Revision)
-
Indigenous
8.
IS 1350 (Part 5):2017

Reviewed In : 2021
Methods of test for coal and coke : Part 5 determination of special impurities (carbon present as carbonate, chlorine and phosphorus) (Second Revision)
May, 2021
-
Indigenous
9.
IS 1353 (Part 1):2018

Reviewed In : 2023
Method of test for coal carbonization : Part 1 determination of the crucible swelling number (Second Revision)
September, 2023
-
Identical under dual numbering
10.
IS 1353 (Part 2):2018

Reviewed In : 2023
Method of test for coal carbonization : Part 2 determination of caking power - Gray - King coke test (Second Revision)
September, 2023
-
Identical under dual numbering
11.
IS 1353 (Part 3):2022
ISO 15585 : 2019
Method of test for coal carbonization : Part 3 determination of caking index (Second Revision)
-
Identical under dual numbering
12.
IS 1354:2024
Coke - Methods of test - Special tests (Third Revision)
-
Indigenous
13.
IS 1355:2025
Coal and Coke - Determination of chemical composition of ash (Second Revision)
-
Indigenous
14.
IS 13758 (Part 1):1993
Reviewed In : 2025
Coal tar pitch - Methods of test : Part 1 determination of matter insoluble in quinoline
July, 2025
-
Indigenous
15.
IS 13758 (Part 2):1993
Reviewed In : 2025
Coal tar pitch - Methods of test : Part 2 determination of coking value
July, 2025
-
Indigenous
16.
IS 13810:2023
Code of practice for float and sink analysis of coal (First Revision)
-
Indigenous
17.
IS 15438:2004
ISO 157
Reviewed In : 2020
Coal - Determination of forms of sulphur
May, 2020
-
Identical under dual numbering
18.
IS 15441:2004
ISO 625
Solid mineral fuels - Determination of carbon and hydrogen - Liebig method
May, 2020
-
Identical under dual numbering
19.
IS 15807 (Part 1):2008
Reviewed In : 2020
Methods of petrographic analysis of lignite : Part 1 definition of terms relating to petrographic analysis of lignite
January, 2020
-
Indigenous
20.
IS 16143 (Part 6):2021
ISO 13909-6 : 2016
Hard coal and coke - Mechanical sampling : Part 6 coke - preparation of test samples (First Revision)
-
Identical under dual numbering
21.
IS 16143 (Part 1):2021
ISO 13909 -1:2016
Hard coal and coke - Mechanical sampling : Part 1 general introduction (First Revision)
-
Identical under dual numbering
22.
IS 16143 (Part 4):2021
ISO 13909-4 : 2016
Hard coal and coke - Mechanical sampling : Part 4 coal - preparation of test samples (First Revision)
-
Identical under dual numbering
23.
IS 16143 (Part 2):2021
ISO 13909-2:2016
Hard coal and coke - Mechanical sampling : Part 2 coal - Sampling from moving streams (First Revision)
-
Identical under dual numbering
24.
IS 16143 (Part 3):2021
ISO 13909-3:2016
Hard coal and coke - Mechanical sampling : Part 3 coal - Sampling from stationary lots (First Revision)
-
Identical under dual numbering
25.
IS 16143 (Part 5):2021
ISO 13909-5 : 2016
Hard coal and coke - Mechanical sampling : Part 5 coke - Sampling from moving streams (First Revision)
-
Identical under dual numbering
26.
IS 16143 (Part 7):2021
ISO 13909-7 : 2016
Hard coal and coke - Mechanical sampling : Part 7 methods for determining the precision of sampling, sample preparation and testing (First Revision)
-
Identical under dual numbering
27.
IS 16143 (Part 8):2021
ISO 13909-8 : 2016
Hard coal and coke - Mechanical sampling : Part 8 methods of testing for bias (First Revision)
-
Identical under dual numbering
28.
IS 16196:2015
ISO 609 : 1996
Reviewed In : 2020
Solid mineral fuels - Determination of carbon and hydrogen - High temperature combustion method
May, 2020
-
Identical under dual numbering
29.
IS 16609:2018
ISO 19579 : 2012
Reviewed In : 2023
Solid mineral fuels - Determination of sulphur by IR spectrometry
September, 2023
1
Identical under dual numbering
30.
IS 16610:2022
ISO 10329 : 2017
Coal - Determination of plastic properties - Constant-torque gieseler plastometer method (First Revision)
-
Identical under dual numbering
31.
IS 16611:2022
ISO 20904 : 2020
Hard coal - Sampling of slurries (First Revision)
-
Identical under dual numbering
32.
IS 16612:2018
ISO 29541 : 2010
Reviewed In : 2023
Solid mineral fuels - Determination of total carbon, hydrogen and nitrogen content - Instrumental method
September, 2023
-
Identical under dual numbering
33.
IS 16616:2022
ISO 349 : 2020
Hard coal - Audibert-arnu dilatometer test (First Revision)
-
Identical under dual numbering
34.
IS 16617:2018
ISO 9931 : 1991
Reviewed In : 2023
Coal - Sampling of pulverized coal conveyed by gases in direct fired coal systems
September, 2023
-
Identical under dual numbering
35.
IS 16618:2017

Reviewed In : 2021
Determination of ten race elements in coal, coke, lignite and fly ash by flame atomic absorption spectroscopic method
May, 2021
-
Not Equivalent
36.
IS 16721 (Part 1):2018

Reviewed In : 2023
Method of test for coal : Part 1 determination of total mercury content by atomic absorption spectrometry
September, 2023
-
Not Equivalent
37.
IS 16721 (Part 2):2018

Reviewed In : 2023
Method of test for coal : Part 2 determination of arsenic and selenium - Eschka's mixture and hydride generation/atomic absorption spectrometry
September, 2023
-
Not Equivalent
38.
IS 17073:2019

Reviewed In : 2023
Determination of major elements in coal and coke ash by x-ray fluorescence spectroscopic method
September, 2023
-
Not Equivalent
39.
IS 17378:2021
Test method for determination of major elements in ash from coal and coke by flame atomic absorption spectroscopic method
-
Indigenous
40.
IS 17642:2021
ISO 17828 : 2015
Solid biofuels - Determination of bulk density
-
Identical under dual numbering
41.
IS 17643:2021
ISO 17829 : 2015
Solid biofuels - Determination of length and diameter of pellets
-
Identical under dual numbering
42.
IS 17653:2021
ISO 18122 : 2015
Solid biofuels - Determination of ash content
-
Identical under dual numbering
43.
IS 17654:2021
ISO 18125 : 2017
Solid biofuels - Determination of calorific value
-
Identical under dual numbering
44.
IS 17655 (Part 1):2025
ISO 18134-1 : 2022
Solid Biofuels Determination of Moisture Content Part 1 Reference Method (First Revision )
-
Identical under dual numbering
45.
IS 17655 (Part 2):2021
ISO 18134-2 : 2017
Solid biofuels - Determination of moisture content - Oven dry method : Part 2 total moisture - Simplified method
-
Identical under dual numbering
46.
IS 17655 (Part 3):2025
ISO 18134-3 : 2023
Solid Biofuels - Determination of Moisture Content Part 3 Moisture in General Analysis Sample (First Revision)
-
Identical under dual numbering
47.
IS 17656:2021
ISO 18846 : 2016
Solid biofuels - Determination of fines content in samples of pellets
-
Identical under dual numbering
48.
IS 17820:2022
ISO 622 : 2016
Solid mineral fuels - Determination of phosphorus content - Reduced molybdophosphate photometric method
-
Identical under dual numbering
49.
IS 17832:2022
ISO 16948 : 2015
Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen
-
Identical under dual numbering
50.
IS 17833:2022
ISO 16994 : 2016
Solid biofuels - Determination of total content of sulfur and chlorine
-
Identical under dual numbering
51.
IS 17834:2022
ISO 16995 : 2015
Solid biofuels - Determination of the water soluble chloride, sodium and potassium content
-
Identical under dual numbering
52.
IS 17844:2025
ISO 18123 : 2023
Solid Biofuels - Determination of Volatile Matter ( First Revision)
-
Identical under dual numbering
53.
IS 18557 (Part 1):2024
ISO 17831-1
Solid biofuels - Determination of mechanical durability of pellets and briquettes : Part 1 pellets
-
Identical under dual numbering
54.
IS 18557 (Part 2):2024
ISO 17831-2
Solid biofuels - Determination of mechanical durability of pellets and briquettes : Part 2 briquettes
-
Identical under dual numbering
55.
IS 18640:2024
Solid Biofuels - Sample Preparation
-
Not Equivalent
56.
IS 18721:2024
Solid Biofuels � Vocabulary
-
Not Equivalent
57.
IS 18724:2024
Solid biofuels - Fuel specifications and classes - Pellets from agro and herbaceous residues
-
Not Equivalent
58.
IS 18725:2024
Solid biofuels - Fuel specifications and classes - Briquettes from agro and herbaceous residues
-
Not Equivalent
59.
IS 19139:2025
ISO 16967 : 2015
Solid Biofuels � Determination of Major Elements � Al, Ca, Fe, Mg, P, K, Si, Na and Ti
-
Identical under dual numbering
60.
IS 19158:2025
ISO 16968 : 2015
SOLID BIOFUELS - DETERMINATION OF MINOR ELEMENTS
-
Identical under dual numbering
61.
IS 212:2021

Crude coal tar for general use (Third Revision)
-
Indigenous
62.
IS 216:2006
Reviewed In : 2021
Coal tar pitch - Specification (Second Revision)
April, 2021
-
Indigenous
63.
IS 218:1983
Reviewed In : 2023
Specification for creosote oil for use as wood preservatives (Second Revision)
September, 2023
1
Indigenous
64.
IS 3746:2018

Reviewed In : 2023
Graphical symbols for coal preparation plant (Second Revision)
September, 2023
-
Not Equivalent
65.
IS 3810 (Part 1):2002
Reviewed In : 2020
Solid mineral fuels - Vocabulary : Part 1 terms relating to coal preparation (Second Revision)
May, 2020
-
Not Equivalent
66.
IS 3810 (Part 2):2003
ISO 1213-2
Reviewed In : 2020
Solid mineral fuels - Vocabulary : Part 2 terms relating to sampling, testing and analysis (First Revision)
May, 2020
-
Indigenous
67.
IS 3810 (Part 3):2023
Glossary of terms relating to solid mineral fuels : Part 3 - Coke
-
Indigenous
68.
IS 4023:2022
ISO 18894 : 2018
Methods for the determination of coke reactivity index (CRI) and coke strength after reaction (CSR) (Second Revision)
-
Identical under dual numbering
69.
IS 4286:2024
Domestic Coke - Specification (Second Revision)
-
Indigenous
70.
IS 4311:2024
ISO 602 : 2015
Coal - Determination of mineral matter (First Revision)
-
Identical under dual numbering
71.
IS 436 (Part 1/Sec 1):2024
Methods for Sampling of Coal and Coke Part 1 Sampling of Coal Section 1 Manual Sampling (Second Revision)
-
Indigenous
72.
IS 437:2020

Size analysis of coal and coke for marketing (Fourth Revision)
-
-
Indigenous
73.
IS 439:2020

Industrial Coke - Specification (Fourth Revision)
-
-
Indigenous
74.
IS 4433:1979
Reviewed In : 2020
Method for determination of hardgrove grindability index of coal (First Revision)
May, 2020
-
Indigenous
75.
IS 5062 (Part 1):1969
Reviewed In : 2020
Methods of test for brown coals and lignites : Part 1 determination of moisture content by the direct volumetric method
May, 2020
-
Indigenous
76.
IS 5062 (Part 2):1969
Reviewed In : 2020
Methods of test for brown coals and lignites : Part 2 determination of ash
May, 2020
-
Indigenous
77.
IS 5062 (Part 3):2022
ISO 647 : 2017
Methods of test for brown coals and lignite : Part 3 determination of the yields of tar water gas and coke residue by low temperature distillation (Second Revision)
-
Identical under dual numbering
78.
IS 5062 (Part 4):2025
ISO 975:2021
Brown Coal and Lignite - Methods of Test Part 4 Determination of Yield of Benzene-Soluble Extract - Semi- Automatic Method (Third Revision)
-
Identical under dual numbering
79.
IS 5062 (Part 5):2018
ISO 1017 : 2006
Reviewed In : 2023
Methods of test for brown coals and lignites : Part 5 determination of acetone-soluble material (Resinous Substance) in the benzene-soluble extract (Second Revision)
September, 2023
-
Identical under dual numbering
80.
IS 5062 (Part 6):2025
ISO 5072 : 2021
Brown Coal and Lignite - Methods of Test: Part 6 Determination of True Relative Density and Apparent Relative Density (First Revision)
-
Identical under dual numbering
81.
IS 5062 (Part 7):2024
ISO 5073 : 2021
Brown coals and lignites - Methods of test : Part 7 determination of humic acids (First Revision)
-
Identical under dual numbering
82.
IS 5062 (Part 8/Sec 1):2018

Reviewed In : 2023
Methods of test for brown coals and lignites : Part 8 determination of moisture content, Section 1 indirect gravimetric method for total moisture
September, 2023
-
Identical under dual numbering
83.
IS 5062 (Part 8/Sec 2):2018
ISO 5068-2 : 2007
Reviewed In : 2023
Methods of test for brown coals and lignites : Part 8 determination of moisture content, Section 2 indirect gravimetric method for moisture in the analysis smaple
September, 2023
-
Identical under dual numbering
84.
IS 5209:2002
ISO 924
Reviewed In : 2020
Coal preparation plant - Principles and conventions for flowsheets (First Revision)
May, 2020
-
Identical under dual numbering
85.
IS 5451:2001
Reviewed In : 2023
Glossary of terms relating to coal carbonization products (First Revision)
September, 2023
-
Not Equivalent
86.
IS 6345:1996
Reviewed In : 2023
Methods of sampling of coal for float and sink analysis (First Revision)
September, 2023
-
Not Equivalent
87.
IS 7190 (Part 1):2024
ISO 567 : 2021
Coke - Methods of test : Part 1 determination of bulk density in a small container (Second Revision)
-
Identical under dual numbering
88.
IS 7190 (Part 2):2022
ISO 1013 : 2020
Coke - Methods of test : Part 2 determination of bulk density in a large container (Second Revision)
-
Identical under dual numbering
89.
IS 770:2013
Reviewed In : 2023
Classification and codification of indian coals, lignites and semi-anthracites (Third Revision)
September, 2023
-
Indigenous
90.
IS 7929:1975
Reviewed In : 2020
Methods for determination of electrical resistivity of chemical coke
May, 2020
-
Indigenous
91.
IS 9127 (Part 3):2002
ISO 7404-3
Methods for the petrographic analysis of bituminous coal and anthracite : Part 3 method of determining maceral group composition (First Revision)
May, 2020
-
Identical under dual numbering
92.
IS 9127 (Part 5):2004
ISO 7404-5
Methods for the petrographic analysis of bituminous coal and anthracite : Part 5 method of determining microscopically the reflectance of vitrinite (First Revision)
May, 2020
-
Identical under dual numbering
93.
IS 9127 (Part 1):2022
ISO 7404-1 : 2016
Methods of petrographic analysis of coal : Part 1 definition of terms relating to petrographic anaysis of coal (Second Revision)
-
Identical under dual numbering
94.
IS 9127 (Part 2):2014
ISO 7404-2 : 2009
Reviewed In : 2020
Methods for petrographic analysis of coals : Part 2 methods of preparing coal samples (Second Revision)
January, 2020
-
Identical under dual numbering
95.
IS 9127 (Part 4):2022
ISO 7404-4 : 2017
Methods for petrographic anaysis of coal : Part 4 method of determining microlithotype carbominerite and minerite composition (First Revision)
-
Identical under dual numbering
96.
IS 9912:1981
Reviewed In : 2025
Decision taken to Reaffirm and Archive
Coal tar based coating material and primers for protecting iron or steel pipelines - Specification (First Revision)
July, 2025
-
Indigenous
97.
IS 9949:2025
Abrasive Properties of Coal and Associated Minerals - Methods of test (Second Revision)
-
Indigenous

Standards Under Develpoment

Projects Approved

SI. No.
Doc No
TITLE
No Records Found

Preliminary Draft Standards

SI. No.
Doc No
TITLE
1
PCD 7 (28848)
SOLID BIOFUELS SAFE HANDLING AND STORAGE

Drafts Standards in WC Stage

SI. No.
Doc No
TITLE
No Records Found

Draft Standards Completed WC Stage

SI. No.
Doc No
TITLE
No Records Found

Finalized Draft Indian Standard

SI. No.
Doc No
TITLE
No Records Found

Finalized Draft Indian Standards under Print

SI. No.
Doc No
TITLE
1
PCD 7 (25095)

Amendment of: IS 17653:2021
Solid Biofuels Determination of Ash Content First Revision
2
PCD 7 (25223)
Solid Biofuels Sampling
3
PCD 7 (28265)

Amendment of: IS 4433:1979
Coal - Determination of Hardgrove Grindability Index Second Revision
4
PCD 7 (28817)

Amendment of: IS 5209:2002
COAL PREPARATION PLANT PRINCIPLES AND CONVENTIONS FOR FLOWSHEETS Second Revision
5
PCD 7 (28823)

Amendment of: IS 5062:2018
BROWN COALS AND LIGNITES METHODS OF TEST PART 8 DETERMINATION OF MOISTURE CONTENT SECTION 2 INDIRECT GRAVIMETRIC METHOD FOR MOISTURE IN THE ANALYSIS SAMPLE First Revision
6
PCD 7 (28862)

Amendment of: IS 17656:2021
Solid Biofuels - Determination of Fines Content In Pellets First Revision
7
PCD 7 (28866)

Amendment of: IS 16610:2022
Hard Coal - Determination of Plastic Properties Constant-Torque Gieseler Plastometer Method Second Revision
8
PCD 7 (28871)

Amendment of: IS 17655:2021
Solid Biofuels Determination of Moisture Content Part 2 Simplified Method First Revision
9
PCD 7 (33235)
Methods of test for coal and coke Part 5 determination of special impurities carbon present as carbonate chlorine and phosphorus Second Revision
10
PCD 7 (33316)
Methods of test for brown coals and lignites Part 2 determination of ash First Revision


Aspect Wise Report

 
 Product:   9
 Code of Practices :    1
 Methods of Test :   63
 Terminology :   7
 Dimensions :   1
 System Standard :   0
 Safety Standard :   0
 Others :    16
 Service Specification :    0
 Process Specification :    0
 Unclassified :    0
 


Annexure-I :List of Indian Standards Withdrawn/Superseded

SI. No.
IS No.
Title
1.
IS 1272:1958
Reviewed In : 2005
Coal Tar Solvent Naphtha Light Grade 2
2.
IS 1351:1959
Methods of Test for Coal Coke Ultimates Analysis
3.
IS 1352:1959
Methods of Test for Coal and Coke Ultimate Analysis
4.
IS 1421:1964
Cellulose Nitrate Coated Fabrics
5.
IS 15439:2000
Reviewed In : 2005
Hard Coal - Determination of Oxygen Content
6.
IS 15440:2004
Coal - Sampling of Pulverized Coal Conveyed by Gases in Direct Fired Coal Systems
7.
IS 213:1968
Coal-based naphtha superseding IS 214 AND IS 1272
8.
IS 214:1958
Coal Tar Solvent Naphtha Heavy
9.
IS 215:1995
Reviewed In : 2016
Road Tar
10.
IS 358:1964
Benzole Industrial revised
11.
IS 436 (Part 1/Sec 2):1976
Reviewed In : 2010
Methods for sampling of coal and coke Part I Sampling of Coal Section 2 Mechanical sampling
12.
IS 436 (Part 2):1965
Reviewed In : 2010
Methods of sampling of coal and coke Part 2 Sampling of coke
13.
IS 4836:1968
Foundary Coke
14.
IS 5018:1968
Classification of hard coals by type
15.
IS 535:1955
Benzene Pure Nitration Grade
16.
IS 5615:1970
Gas Coke
17.
IS 6372:1971
Coke For Ferro-alloys
18.
IS 6407:1971
Rubber Aprons For Hospital Use
19.
IS 7189:1974
Reviewed In : 2005
Blast Furnace Coke
20.
IS 7190:1974
Reviewed In : 2010
Methods of determination of bulk density of coke
21.
IS 7221:1974
Methods of determining the moisture holding capacity in hard coals


Annexure-II :List of Indian Product Standards

SI. No.
IS No. & Year
Title
1.
IS 12770:2025
Coal for Cement Manufacture - Specification First Revision
2.
IS 18724:2024
Solid biofuels - Fuel specifications and classes - Pellets from agro and herbaceous residues
3.
IS 18725:2024
Solid biofuels - Fuel specifications and classes - Briquettes from agro and herbaceous residues
4.
IS 212:2021

Crude coal tar for general use Third Revision
5.
IS 216:2006
Reviewed In : 2021
Coal tar pitch - Specification Second Revision
6.
IS 218:1983
Reviewed In : 2023
Specification for creosote oil for use as wood preservatives Second Revision
7.
IS 4286:2024
Domestic Coke - Specification Second Revision
8.
IS 439:2020

Industrial Coke - Specification Fourth Revision
9.
IS 9912:1981
Reviewed In : 2025
Decision taken to Reaffirm and Archive
Coal tar based coating material and primers for protecting iron or steel pipelines - Specification First Revision