COSHH-37 Buffer Solution pH 4 (Potassium Hydrogen Phthalate)
File Reference : COSHH Assessment Buffer Solution pH4
Date File Updated 01-04-26
File Format MS Word
No. of files 1
Category COSHH Assessments
Tags: ISO 45001
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This example COSHH risk assessment has been prepared using the
F-HS5 COSHH Assessment form template which has been designed to record and manage the risks associated with substances hazardous to health and includes:

  • Substance details
  • Physical description
  • Health effects and first aid
  • Workplace exposure limits (WELs)
  • CLP hazard classification — visual hazard icons
  • Risk rating
  • Control measures
  • PPE required — visual PPE icons
  • Environmental considerations

The file is supplied in fully editable MS Word format and can be easily customised and saved to Google Docs format if required. The document uses pre-defined style formatting throughout with styles to match the risk-ratings. All text is in Calibri font for improved readability.
The following document labelling is included in the footer:

  • Form number and title
  • Information-classification
  • Version
  • Page number / total pages
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COSHH Assessment — Buffer Solution pH 4 (Potassium Hydrogen Phthalate)

This pre-completed COSHH assessment covers pH 4 buffer solution based on potassium hydrogen phthalate (KHP) — used in laboratories for calibrating pH meters and analytical instruments.

What Does This COSHH Assessment Cover?

The assessment is fully completed and ready to use, covering all sections required for a complete hazardous substance risk assessment:

  • Substance identification — trade name, chemical name (potassium hydrogen phthalate / KHP buffer pH 4), SDS reference and physical state
  • Health effects and first aid — inhalation, ingestion, skin contact and eye contact, with specific first aid for each route
  • Phthalate ester concern — phthalate compounds are under review for endocrine-disrupting properties; avoid skin contact and ingestion; observe good laboratory hygiene
  • Workplace exposure limits — general dust limits apply; exposure during normal lab use is minimal
  • CLP hazard classification — Irritant pictogram
  • PPE requirements — including laboratory gloves and eye protection
  • Emergency procedures — spillage response and disposal guidance

Who Is This COSHH Assessment For?

This assessment is suitable for any workplace where pH buffer solutions are used, including:

  • Analytical and research laboratories
  • Quality control and testing facilities
  • Food and beverage production laboratories
  • Environmental monitoring operations

COSHH Compliance

This document provides ready-to-use evidence of COSHH compliance and supports occupational health and safety management. The assessment is based on the F-HS5 COSHH Assessment template, is fully editable in Microsoft Word, and can be customised with your company details, site-specific information and review dates.

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