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CERTIFICATION

HERA TRATESA: ISO 9001 – ISO 14001 – OSAS 18001
HERA AMASA: ISO 9001 – ISO 14001
HERA SEGASA: ISO 9001
HERA INDURECO: ISO 9001 – ISO 14001
HERA BRASIL: ISO 9001
AG AMBIENTAL: ISO 9009 – ISO 14001

POLICY

HERA TRATESA: Quality – Social Responsibility
HERA AMASA
HERA SEGASA: Quality: Treatment plant and laboratory management – Quality: Waste management.
HERA INDURECO
HERA MEDIOIL
DERBISEL
HERA BRASIL
AG AMBIENTAL

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