Hitachi Construction Machinery

Global

Production

HCM Group is committed to global environmental preservation through advanced safety reviews of new chemicals and management of chemicals and waste water.

Most of the emissions that we release are volatile organic compounds (VOC) contained in paint, solvents, etc. We have set VOC emission reduction targets, and are steadily replacing these with substances containing less VOC’s in order to reduce the emission of such substances.

While we continued to carry out a number of initiatives in FY 2018, including the use of electrodeposition paint in domestic and international locations, using high solid paints and other paints with less VOC, improving painting efficiency through robotization, and introducing VOC recovery equipment, a significant production increase resulted in a VOC atmospheric emissions ratio of 64.8% – 3% higher than the previous financial year.
1,400t of VOC (volatile organic compounds) were emitted.

Following on from that, we have been promoting reductions in the ratio of atmospheric emissions alongside a reduction in total emissions.

Bradken has been included in the results since FY 2018.

Trends in VOC Volume Handled, Emissions, and Emissions Ratio
SOx, NOx and other serious atmospheric emissions
Type Emissions into the atmosphere (t) Criterion, Method, Prerequisite, Other
SOx 721 Nm³ Air Pollution Prevention Act
NOx 2,734 Nm³ Air Pollution Prevention Act
POPs 0 Stockholm Convention on Persistent Organic Pollutants
VOC 1,400 t Volatile organic compounds
HAP 479 kg Air Pollution Prevention Act

Substances prohibited by HCM, including asbestos

Treatment of chemical substances contained in material procurement

The HCM Group is systematically working to eliminate harmful substances, based on laws relating to regulations on the inspection and manufacture etc. of chemical substances (Type-1 Special Chemical Substances), REACH regulations, residual organic pollutants, the Stockholm Treaty (POPs), the Order for the Enforcement of the Occupational Health and Safety Act, and the Montreal Protocol on Substances that Deplete the Ozone Layer.
Substances that have been specified as drawing number 9964633 by the HCM environmental policy division are strictly prohibited in their use in the manufacture of products.
We are promoting work to move towards the prevention of 13. decabromodiphenyl ether (DBDE) which was made a target for banning in October 2015, and implementing a transition to abolishing the use of all other chemical substances.

Chemical substance (group) Relevant main law
1 Tri-substituted organostannic compounds

  • Tributyltin Compounds (TBTs)
  • Triphenyltin Compounds (TPTs)
  • Bis (tributyl tin) = oxide (TBTO)
Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc (Designated Chemical Substances of the First Kind)
Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)
2 Polychlorinated biphenyls (PCBs) Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc (Designated Chemical Substances of the First Kind)
Stockholm Convention on Persistent Organic Pollutants (POPs)
3 Polychlorinated terphenyl (PCT) Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)
4 Polychlorinated naphthalene (2 or more chlorine atoms) Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc (Designated Chemical Substances of the First Kind)
5 Short chain chlorinated paraffin Stockholm Convention on Persistent Organic Pollutants (POPs)
Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)
6 Asbestos Order for Enforcement of Industrial Safety and Health Act (Japan)
Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)
7 Ozone-Depleting Substances (Class I) Montreal Protocol on Substances that Deplete the Ozone Layer
8 PFOS/PFOS related compounds Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc (Designated Chemical Substances of the First Kind)
Stockholm Convention on Persistent Organic Pollutants (POPs)
9 2-(2H-1,2,3-benzotriazole-2-yl) -4,6-the-tert-butyl phenol Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc (Designated Chemical Substances of the First Kind)
10 Hexachlorobenzene Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc (Designated Chemical Substances of the First Kind)
11 Dimethylfumarate (DMF) Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)
12 Hexabromocyclododecane(HBCD or HBCDD) Stockholm Convention on Persistent Organic Pollutants(POPs)
Registration, Evaluation, Authorisation and Restriction of Chemicals(REACH)
Act on the Evaluation of Chemical Substances and Regulation of Their Manufacture, etc (Designated Chemical Substances of the First Kind)
 13 Decabromodiphenylether(DBDE) Because, in addition to prohibition substances of RoHS, it became the deliberation substance which is targeted for the prohibition of the Stockholm Convention on Persistent Organic Pollutants(POPs)

 

*Refer to the link below for details of substances and substance groups

List of component prohibition substances of the delivery materials (PDF 1.2 MBytes)

PCB Waste Management

Polychlorinated biphenyl (PCB) is said to cause societal problems with its effects on the human body and its pollution of the environment. As of March 2018, there were nine locations within the HCM Group storing used products including PCB, and each of these locations manage these carefully and follow the law, are moving ahead with systematic disposal processes.

Prevention of Air, Water, and Land Pollution etc.

Air pollution via substances such as SOx and NOx is one cause of asthma and acid rain. Furthermore, COD is an indicator which shows organic contamination in lakes/oceans (contamination level), and BOD is an indicator which shows organic contamination in rivers (contamination level).
The HCM Group is putting its energy behind reductions in emissions provided for by independent standards much stricter than national or local government legal standards, and is striving towards the prevention of water pollution.

For land pollution, we carry out land surveys in advance for any newly-acquired land, and as a standard, purchase it after first completing purification countermeasures. In the unlikely event that land pollution is confirmed during operation activities, we shall carefully perform pollution removal measures in accordance with the law.

During the FY 2018, no laws/provisions concerning air, water or land pollution occurred.

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