Programme of work

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BUREAU OF INDIAN STANDARDS


Petroleum, Coal and Related Products Department

Programme of Work




PCD3 : Petroleum and their Related Products of Synthetic or Biological or Natural Origin


  • Scope : To formulate Indian Standards for terminology; petroleum, petroleum products, biofuels (liquid and gas), fuels and e-fuels produced through synthesis route, specification for natural gas, hydrogen and other renewable fuels, diesel exhaust fluids and codes of practice for storage, handling, transport and application.
  • Liaison :
    ISO/TC 193 - Natural gas - Participating (P)
    ISO/TC 255 - Biogas - Participating (P)
    ISO/TC 28 - Petroleum and related products, fuels and lubricants from natural or synthetic sources - Participating (P)
    ISO/TC 28/AG 0 - TC 28 Advisory Group
    ISO/TC 28/SC 7 - Liquid Biofuels - Participating (P)
    ISO TC 28/SC 4 - Classifications and specifications - Participating (P)

Published Standards

SI. No.
IS No.
Title
Reaffirmation Details
No. of Amendments
Degree of Equivalence
1.
 IS 11254 : 2009
Reviewed In : 2019
Code of practice for dispensation of aviation fuel and allied products (First Revision)
April, 2019
-
Indigenous
2.
 IS 11489 : 1985
Reviewed In : 2020
Specification for heavy petroleum stock (Hps)
October, 2020
2
Indigenous
3.
 IS 13833 : 2019

Reviewed In : 2024
Decision taken to Reaffirm and Archive
Microcrystalline Wax Derived From Petroleum — Specification ( First Revision )
February, 2024
-
Indigenous
4.
 IS 1459 : 2018

Reviewed In : 2023
Kerosene - Specification (Fourth Revision)
May, 2023
-
Indigenous
5.
 IS 1460 : 2017

Reviewed In : 2024
Automotive diesel fuel - Specification (Sixth Revision)
April, 2024
2
Indigenous
6.
 IS 14861 : 2000
Reviewed In : 2020
Liquefied petroleum gases (Lpg) for automotive purposes - Specification
October, 2020
1
Indigenous
7.
 IS 15126 : 2002
ISO 13443
Reviewed In : 2023
Reaffirmed but not taken up for revision
Natural gas - Standard reference conditions
May, 2023
-
Identical under dual numbering
8.
 IS 15127 : 2024
ISO 13686 : 2013
Natural Gas - Quality Designation ( First Revision)
-
Identical under dual numbering
9.
 IS 15217 : 2002
Reviewed In : 2019
Fuel oil for diesel generating sets - Specification
April, 2019
-
Indigenous
10.
 IS 15320 (Part 1) : 2012
ISO 15403-1 : 2006
Reviewed In : 2023
Reaffirmed but not taken up for revision
Natural gas - Natural gas for use as a compressed fuel for vehicles: Part 1 designation of the quality (First Revision)
May, 2023
-
Identical under dual numbering
11.
 IS 15464 : 2022
ANHYDROUS ETHANOL FOR USE AS BLENDING COMPONENT IN MOTOR GASOLINE SPECIFICATION First Revision
-
Indigenous
12.
 IS 15607 : 2022
Biodiesel B-100 - Fatty Acid Methyl Esters FAME Specification Second Revision
-
Indigenous
13.
 IS 1571 : 2018

Reviewed In : 2023
Aviation turbine fuels, kerosine type, jet - A - 1 - Specification (Tenth Revision)
May, 2023
4
Modified/Technically Equivalent
14.
 IS 15770 : 2008
Reviewed In : 2019
Light diesel oil - Specification
April, 2019
-
Indigenous
15.
 IS 15770 : 2021
Heating Oil(LDO) - Specification
-
Indigenous
16.
 IS 1587 : 2017
Aviation turbine fuel, high flash point type - Specification (Fourth Revision)
-
-
Modified/Technically Equivalent
17.
 IS 1593 : 2018

Reviewed In : 2023
Fuel oils - Specification (Third Revision)
May, 2023
-
Indigenous
18.
 IS 15958 : 2023
Compressed Natural Gas (CNG) and Liquefied Natural Gas (LNG) for Automotive Purposes � Specification (First Revision)
-
Indigenous
19.
 IS 1604 : 2022
Aviation gasoline - Specification (fifth revision)
-
Indigenous
20.
 IS 16061 : 2021
ISO 14687:2019
HYDROGEN FUEL QUALITY PRODUCT SPECIFICATION
-
Identical under dual numbering
21.
 IS 16087 : 2016

Reviewed In : 2020
Biogas (Biomethane) - Specification (First Revision)
October, 2020
-
Indigenous
22.
 IS 16531 : 2022
Biodiesel Diesel Fuel Blend B8 to B20 Specification First Revision of IS 16531
-
Not Equivalent
23.
 IS 16629 : 2017
Hydrous ethanol for use in ed 95 automotive fuel - Specification
-
Indigenous
24.
 IS 16634 : 2023
E85 FUEL ADMIXTURE OF ANHYDROUS ETHANOL AND MOTOR GASOLINE FOR FLEX FUEL POSITIVE IGNITION ENGINE POWERED VEHICLES SPECIFICATION
-
Indigenous
25.
 IS 16704 : 2018
ISO 16861 : 2015
Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum products - Fuels (Class F) - Specifications of dimethyl ether (Dme
May, 2023
1
Identical under dual numbering
26.
 IS 16731 : 2019
ISO 8217 : 2017
Reviewed In : 2024
Petroleum products - Fuels (?Class F?) - Specifications of marine fuels
April, 2024
-
Identical under dual numbering
27.
 IS 16737 : 2018
ISO 8216-2 : 1986
Petroleum Products- Fuels (Class F) - Classification Part 2 Categories of Gas Turbine Fuels for Industrial and Marine Applications
-
Identical under dual numbering
28.
 IS 16737 (Part 3) : 2018
ISO 8216-3 : 1987
Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum products - Fuels (Class F) - Classification: Part 3 family l (Liquefied Petroleum Gases)
May, 2023
-
Identical under dual numbering
29.
 IS 16737 (Part 99) : 2017
ISO 8216-99 : 2002
Petroleum products - Fuels (Class F) - Classification: Part 99 general
-
Identical under dual numbering
30.
 IS 16861 : 2018

Reviewed In : 2024
High flash high speed diesel fuel - Specification
April, 2024
1
Not Equivalent
31.
 IS 17021 : 2018

Reviewed In : 2023
E 20 fuel - Admixture of anhydrous ethanol and gasoline - As fuel for spark ignited engine powered vehicles - Specification
May, 2023
1
Indigenous
32.
 IS 17042 (Part 1) : 2020
ISO 22241-1 : 2019
Diesel Engines — NOx Reduction Agent AUS 32 Part 1 Quality Requirements ( First Revision )
-
Identical under dual numbering
33.
 IS 17042 (Part 2) : 2020
ISO 22241-2 : 2019
Diesel Engines — NOx Reduction Agent Aus 32 Part 2 Test Methods ( First Revision )
-
Identical under dual numbering
34.
 IS 17042 (Part 3) : 2018
ISO 22241-3 : 2017
Diesel Engines - NOX Reduction Agent AUS 32 Part 3 Handling, Transportation and Storage
-
Identical under dual numbering
35.
 IS 17049 : 2018

Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum coke for anode making in aluminium industry - Specification
May, 2023
1
Indigenous
36.
 IS 17075 : 2019
Anhydrous methanol for use as a blending component in fuels - Specification
-
Indigenous
37.
 IS 17076 : 2019

Reviewed In : 2024
Decision taken to Reaffirm and Archive
M15 fuel - Admixture of anhydrous methanol and motor gasoline as fuel for spark ignited engines - Specification
August, 2024
1
Indigenous
38.
 IS 17081 : 2019

Reviewed In : 2024
Aviation turbine fuel (Kerosene Type, Jet A - 1) containing synthesized hydrocarbons - Specification
February, 2024
-
Indigenous
39.
 IS 17314 : 2019
Hydrogen Enriched Compressed Natural Gas ( HCNG ) for Automotive Purposes — Specification
-
Indigenous
40.
 IS 1745 : 2018

Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum hydrocarbon solvents - Specification (Third Revision)
May, 2023
-
Indigenous
41.
 IS 17586 : 2021
E12 and E15 Fuel - Admixture of Anhydrous Ethanol and Motor Gasoline - For Positive Ignition Engine Powered Vehicles - Specification
-
Indigenous
42.
 IS 17661 (Part 1) : 2022
ISO 18611-1:2014
Ships and marine technology Marine NOX Reduction Agent AUS 40 Part 1: Quality Requirements
-
Identical under dual numbering
43.
 IS 17661 (Part 2) : 2022
ISO 18611-2:2014
Ships and marine technology Marine NOX Reduction Agent AUS 40 Part 2: Test Methods
-
Identical under dual numbering
44.
 IS 17661 (Part 3) : 2022
ISO 18611-3:2014
Ships and marine technology Marine NOX Reduction Agent AUS 40 Part 3: Handling transportation and storage
-
Identical under dual numbering
45.
 IS 17789 : 2022
Gas oil - Specification
1
Indigenous
46.
 IS 17792 : 2022
Vacuum gas oil VGO - Specification
-
Indigenous
47.
 IS 17793 : 2022
Kerosene Intermediate - Specification
-
Indigenous
48.
 IS 17794 : 2022
Petroleum naphtha - Specification
-
Indigenous
49.
 IS 17821 : 2022
ETHANOL AS A FUEL FOR USE IN POSITIVE IGNITION ENGINE POWERED VEHICLES SPECIFICATION
-
Indigenous
50.
 IS 17943 : 2022
E20 Reference Fuel Admixture of Anhydrous Ethanol and Motor Gasoline Specification
-
Indigenous
51.
 IS 18247 : 2023
ISO 23306:2020
Liquefied natural gas as a fuel for marine applications - Specification
-
Identical under dual numbering
52.
 IS 18465 : 2023
Ethane for use as feedstock for petrochemical - Specification
-
Indigenous
53.
 IS/ISO/PAS 22263 : 2019
ISO/PAS 23263 : 2019

Reaffirmed but not taken up for revision
Petroleum Products — Fuels ( class F ) — Considerations for Fuel Suppliers and Users Regarding Marine Fuel Quality in View of the Implementation of Maximum 0.50% Sulfur in 2020
-
Identical under dual numbering
54.
 IS 2796 : 2017

Reviewed In : 2024
Motor gasoline - Specification (Sixth Revision)
April, 2024
4
Indigenous
55.
 IS 3470 : 2017
Hexane, food grade - Specification (Second Revision)
-
2
Indigenous
56.
 IS 4576 : 2021
Liquefied Petroleum Gases-Specification
-
Not Equivalent
57.
 IS 4639 (Part 1) : 2000
ISO 1998-1
Reviewed In : 2020
Petroleum industry - Terminology: Part 1 raw materials and products (First Revision)
October, 2020
-
Identical under dual numbering
58.
 IS 4639 (Part 2) : 2000
ISO 1998-2
Reviewed In : 2020
Petroleum industry - Terminology: Part 2 properties and tests (First Revision)
October, 2020
-
Identical under dual numbering
59.
 IS 4639 (Part 3) : 2000
ISO 1998-3
Reviewed In : 2020
Petroleum indusry - Terminology: Part 3 exploration and production (First Revision)
October, 2020
-
Identical under dual numbering
60.
 IS 4639 (Part 4) : 2000
ISO 1998-4
Reviewed In : 2020
Petroleum 1ndustr% - Terminology: Part 4 refining (First Revision)
October, 2020
-
Identical under dual numbering
61.
 IS 4639 (Part 5) : 2000
ISO 1998-5
Reviewed In : 2020
Petroleum i - Ndustry - Terminology: Part 5 transport, storage, distribution (First Revision)
October, 2020
-
Identical under dual numbering
62.
 IS 4639 (Part 6) : 2002
ISO 1998-6
Reviewed In : 2020
Petroleum industry - Terminology: Part 6 measurement (First Revision)
October, 2020
-
Identical under dual numbering
63.
 IS 4639 (Part 7) : 2000
ISO 1998-7
Reviewed In : 2020
Petroleum industry - Terminology: Part 7 miscellaneous terms (First Revision)
October, 2020
-
Identical under dual numbering
64.
 IS 4639 (Part 99) : 2002
ISO 1998-99
Reviewed In : 2019
Petroleum industry - Terminology: Part 99 general and index (First Revision)
April, 2019
-
Identical under dual numbering
65.
 IS 4654 : 2019


Reaffirmed but not taken up for revision
Paraffin Wax — Specification ( Third Revision )
-
-
Indigenous
66.
 IS 534 : 2021
Benzene - Specification (Fifth Revision)
-
Indigenous
67.
 IS 537 : 2011
Reviewed In : 2020
Toluene - Specification (Second Revision)
October, 2020
2
Indigenous
68.
 IS/ISO 8216-1 : 2010
ISO 8216-1 : 2010
Reviewed In : 2020
Petroleum products - Fuels (Class F) classification: Part 1 categories of marine fuels
October, 2020
-
Identical under dual numbering
69.
 IS 8502 : 2018

Reviewed In : 2024
Petroleum coke - Specification (Second Revision)
April, 2024
1
Indigenous

Standards Under Develpoment

Projects Approved

SI. No.
Doc No
TITLE
No Records Found

Preliminary Draft Standards

SI. No.
Doc No
TITLE
1
PCD 3 (17838)
Automotive fuels Paraffinic diesel fuel from synthesis or hydrotreatment Specification

Drafts Standards in WC Stage

SI. No.
Doc No
TITLE
1
PCD 3 (24729)
HEXANE INDUSTRIAL SOLVENT GRADE SPECIFICATION
2
PCD 3 (26763)
Revision of: IS 8502:2018
PETROLEUM COKE SPECIFICATION

Draft Standards Completed WC Stage

SI. No.
Doc No
TITLE
1
PCD 3 (22730)
Revision of: IS 1593:2018
FUEL OILS - SPECIFICATION
2
PCD 3 (23286)
Motor gasoline - Specification Sixth Revision Amendment - 5
3
PCD 3 (23723)
Revision of: IS 1459:2018
KEROSENE SPECIFICATION
4
PCD 3 (24410)
Revision of: IS 534:2021
BENZENE - SPECIFICATION
5
PCD 3 (24988)
Revision of: IS 16861:2018
HIGH FLASH HIGH SPEED DIESEL SPECIFICATION
6
PCD 3 (25678)
Revision of: IS 16087:2016
Biogas Biomethane Specification
7
PCD 3 (26632)
Aviation Turbine Fuels Kerosene Type Jet A-1 - Specification Amendment 5

Finalized Draft Indian Standard

SI. No.
Doc No
TITLE
1
PCD 3 (26244)
Aviation turbine fuel Kerosene Type Jet A - 1 containing synthesized hydrocarbons - Specification Amendment - 1

Finalized Draft Indian Standards under Print

SI. No.
Doc No
TITLE
1
PCD 3 (19658)

Revision of: IS 1460:2017
Automotive Diesel Fuel - Specification seventh revision
2
PCD 3 (19709)

Revision of: IS 537:2011
Toluene - Specification third revision
3
PCD 3 (22875)
E 20 fuel - Admixture of anhydrous ethanol and gasoline - As fuel for spark ignited engine powered vehicles - Specification Amendment - 2
4
PCD 3 (23073)
20 PERCENT DIMETHYL ETHER DME BLENDED LIQUEFIED PETROLEUM GAS LPG SPECIFICATION
5
PCD 3 (24139)

Revision of: IS 11489:1985
HEAVY PETROLEUM STOCK HPS SPECIFICATION


Aspect Wise Report

 
 Product:   47
 Code of Practices :    3
 Methods of Test :   2
 Terminology :   11
 Dimensions :   0
 System Standard :   0
 Safety Standard :   0
 Others :    4
 Service Specification :    0
 Process Specification :    0
 Unclassified :    0
 


Annexure-I :List of Indian Standards Withdrawn/Superseded

SI. No.
IS No.
Title
1.
 IS 1002 : 1956
Multipurpose Grease No 1 No 2 and No 3
2.
 IS 10356 : 1982
Automotive internal combustion engine lubricating oils from base stocks of mixed crude
3.
 IS 11488 : 1985
Reviewed In : 2016
fuel oil for use in marine diesel engines
4.
 IS 1276 : 1958
Grease S No 2
5.
 IS 1277 : 1987
Gear Lubricant Regular
6.
 IS 15320 : 2003
ISO 15403
Reviewed In : 2014
Natural Gas - Designation of the Quality of Natural Gas for Use as a Compressed Fuel for Vehicles
7.
 IS 1585 : 1960
Motor gasoline 79 octane
8.
 IS 1588 : 1967
Aviation turbine fuels wide cut gasoline type
9.
 IS 1674 : 1960
Reviewed In : 1990
temporary corrosion preventive fluid soft film solvent deposited
10.
 IS 17042 (Part 1) : 2018
ISO 22241-1 : 2006
Diesel engines - Nox reduction agent aus 32 Part 1 quality requirements
11.
 IS 2660 : 1964
Reviewed In : 1990
Oil Cylinder Grade 4
12.
 IS 311 : 1951
Oil cylinder pure mineral ordinary
13.
 IS 312 : 1951
Oil cylinder compounded ordinary
14.
 IS 313 : 1951
Oil cylinder pure mineral super heat
15.
 IS 314 : 1951
Oil cylinder compounded super heat
16.
 IS 315 : 1951
Oil cylinder pure mineral filtered
17.
 IS 316 : 1951
Oil cylinder compounded filtered
18.
 IS 317 : 1970
Automotive hydraulic brake sluid moderate duty
19.
 IS 3433 : 1965
Oil Mineral Colza
20.
 IS 409 : 1952
Grease S No 3
21.
 IS 4639 : 1968
Reviewed In : 2011
Glossary Of Petroleum Terms
22.
 IS 4654 : 1993
Reviewed In : 2011
Paraffin Wax
23.
 IS 496 : 1982
Automotive internal combustion engine lubricating oils
24.
 IS 509 : 1953
Grease L No 4
25.
 IS 6048 : 1970
Reviewed In : 1987
temporary corrosion preventive soft film hot dipping type
26.
 IS 7029 : 1973
Reviewed In : 1990
Fode of practice for inhibition of internal combustion engine coolant water
27.
 IS 721 : 1955
Grease S soft loco
28.
 IS 7574 : 1975
Emergency specification for kerosine alternative to IS 1459 1974
29.
 IS 7575 : 1975
Emergency specification for diesel fuels alternative to IS 1460 1974
30.
 IS 7667 : 1975
Reviewed In : 2016
Code of Practice for Handling and Storage of Aviation Fuels at Airfield Fuelling Stations
31.
 IS 9048 : 1982
re-refined automotive internal combustion engine lubricating oils


Annexure-II :List of Indian Product Standards

SI. No.
IS No. & Year
Title
1.
 IS 11489 : 1985
Reviewed In : 2020
Specification for heavy petroleum stock Hps
2.
 IS 13833 : 2019

Reviewed In : 2024
Decision taken to Reaffirm and Archive
Microcrystalline Wax Derived From Petroleum Specification First Revision
3.
 IS 1459 : 2018

Reviewed In : 2023
Kerosene - Specification Fourth Revision
4.
 IS 1460 : 2017

Reviewed In : 2024
Automotive diesel fuel - Specification Sixth Revision
5.
 IS 14861 : 2000
Reviewed In : 2020
Liquefied petroleum gases Lpg for automotive purposes - Specification
6.
 IS 15217 : 2002
Reviewed In : 2019
Fuel oil for diesel generating sets - Specification
7.
 IS 15464 : 2022
ANHYDROUS ETHANOL FOR USE AS BLENDING COMPONENT IN MOTOR GASOLINE SPECIFICATION First Revision
8.
 IS 15607 : 2022
Biodiesel B-100 - Fatty Acid Methyl Esters FAME Specification Second Revision
9.
 IS 1571 : 2018

Reviewed In : 2023
Aviation turbine fuels kerosine type jet - A - 1 - Specification Tenth Revision
10.
 IS 15770 : 2008
Reviewed In : 2019
Light diesel oil - Specification
11.
 IS 15770 : 2021
Heating Oil LDO - Specification
12.
 IS 1587 : 2017
Aviation turbine fuel high flash point type - Specification Fourth Revision
13.
 IS 1593 : 2018

Reviewed In : 2023
Fuel oils - Specification Third Revision
14.
 IS 15958 : 2023
Compressed Natural Gas CNG and Liquefied Natural Gas LNG for Automotive Purposes Specification First Revision
15.
 IS 1604 : 2022
Aviation gasoline - Specification fifth revision
16.
 IS 16061 : 2021
ISO 14687:2019
HYDROGEN FUEL QUALITY PRODUCT SPECIFICATION
17.
 IS 16087 : 2016

Reviewed In : 2020
Biogas Biomethane - Specification First Revision
18.
 IS 16531 : 2022
Biodiesel Diesel Fuel Blend B8 to B20 Specification First Revision of IS 16531
19.
 IS 16629 : 2017
Hydrous ethanol for use in ed 95 automotive fuel - Specification
20.
 IS 16634 : 2023
E85 FUEL ADMIXTURE OF ANHYDROUS ETHANOL AND MOTOR GASOLINE FOR FLEX FUEL POSITIVE IGNITION ENGINE POWERED VEHICLES SPECIFICATION
21.
 IS 16704 : 2018
ISO 16861 : 2015
Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum products - Fuels Class F - Specifications of dimethyl ether Dme
22.
 IS 16731 : 2019
ISO 8217 : 2017
Reviewed In : 2024
Petroleum products - Fuels Class F - Specifications of marine fuels
23.
 IS 16861 : 2018

Reviewed In : 2024
High flash high speed diesel fuel - Specification
24.
 IS 17021 : 2018

Reviewed In : 2023
E 20 fuel - Admixture of anhydrous ethanol and gasoline - As fuel for spark ignited engine powered vehicles - Specification
25.
 IS 17049 : 2018

Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum coke for anode making in aluminium industry - Specification
26.
 IS 17075 : 2019
Anhydrous methanol for use as a blending component in fuels - Specification
27.
 IS 17076 : 2019

Reviewed In : 2024
Decision taken to Reaffirm and Archive
M15 fuel - Admixture of anhydrous methanol and motor gasoline as fuel for spark ignited engines - Specification
28.
 IS 17081 : 2019

Reviewed In : 2024
Aviation turbine fuel Kerosene Type Jet A - 1 containing synthesized hydrocarbons - Specification
29.
 IS 17314 : 2019
Hydrogen Enriched Compressed Natural Gas HCNG for Automotive Purposes Specification
30.
 IS 1745 : 2018

Reviewed In : 2023
Reaffirmed but not taken up for revision
Petroleum hydrocarbon solvents - Specification Third Revision
31.
 IS 17586 : 2021
E12 and E15 Fuel - Admixture of Anhydrous Ethanol and Motor Gasoline - For Positive Ignition Engine Powered Vehicles - Specification
32.
 IS 17661 (Part 1) : 2022
ISO 18611-1:2014
Ships and marine technology Marine NOX Reduction Agent AUS 40 Part 1 Quality Requirements
33.
 IS 17789 : 2022
Gas oil - Specification
34.
 IS 17792 : 2022
Vacuum gas oil VGO - Specification
35.
 IS 17793 : 2022
Kerosene Intermediate - Specification
36.
 IS 17794 : 2022
Petroleum naphtha - Specification
37.
 IS 17821 : 2022
ETHANOL AS A FUEL FOR USE IN POSITIVE IGNITION ENGINE POWERED VEHICLES SPECIFICATION
38.
 IS 17943 : 2022
E20 Reference Fuel Admixture of Anhydrous Ethanol and Motor Gasoline Specification
39.
 IS 18247 : 2023
ISO 23306:2020
Liquefied natural gas as a fuel for marine applications - Specification
40.
 IS 18465 : 2023
Ethane for use as feedstock for petrochemical - Specification
41.
 IS/ISO/PAS 22263 : 2019
ISO/PAS 23263 : 2019

Reaffirmed but not taken up for revision
Petroleum Products Fuels class F Considerations for Fuel Suppliers and Users Regarding Marine Fuel Quality in View of the Implementation of Maximum 0 50 Sulfur in 2020
42.
 IS 2796 : 2017

Reviewed In : 2024
Motor gasoline - Specification Sixth Revision
43.
 IS 3470 : 2017
Hexane food grade - Specification Second Revision
44.
 IS 4576 : 2021
Liquefied Petroleum Gases-Specification
45.
 IS 534 : 2021
Benzene - Specification Fifth Revision
46.
 IS 537 : 2011
Reviewed In : 2020
Toluene - Specification Second Revision
47.
 IS 8502 : 2018

Reviewed In : 2024
Petroleum coke - Specification Second Revision