Phase 2 Site Investigation Management Plan : Chemical Storage
KEY AND POTENTIAL ISSUES
POTENTIAL CONTAMINANTS OF
ASSESSMENT CRITERIA
KEY INVESTIGATION CONSIDERATIONS


CONCERN

Soil
Semi
Volatile
Organic
(SVOC)
1. NEPM 1999 (soil)
Compounds


Spillages can impact soil quality
Site specific study before commencing investigation to identify nature of
likely contaminants to be encountered.
Volatile Organic Compounds
(VOC)


2. ANZECC 2000 (water)
Identify all tanks and infrastructure (above and below ground) by a
combination of desk based review, walkover survey and GPR.

Contaminant transfer by direct / indirect contact

Total
Petroleum
(TPH)

3. EPA 1994 (hydrocarbons)

Hydrocarbons

Contaminant transfer by ingestion / inhalation
interview with site personnel
Dutch Intervention or USEPA criteria

may be used in the absence of any
published
Groundwater

Review spill and leak management controls by desk based review and
and
approved
Australian
guidelines
Spillages can impact groundwater quality
Review secondary containment and impact protection by means of a
walkover survey

Identify potential migration pathways (e.g. service corridors) by a
combination of desk study and walkover survey.

Identify potential receptors by a combination of desk study and walkover
survey.

Contaminant transfer by direct / indirect contact
MANAGEMENT

CONSIDERATIONS

Contaminant transfer by ingestion / inhalation

Operate a permit to work system

Documentation of past, present and
Consider external footprint of storage areas

Best practice management
techniques
Version 1.0
Issued:
SMEC, Oct 2007
identified (high vapour pressure).


Document Control:
VOCs often not found in soil (low partitioning coefficient) but vapour
VOCs often found in groundwater.
Legal framework




 Surface run off can impact drainage systems
 Contaminant transfer by direct / indirect contact
 Contaminant transfer by ingestion / inhalation
Air
 Contaminants may migrate in the form of dust
 Contaminant transfer by inhalation
scheduling.
proposed activities
Surface Water
Spillages can impact surface water quality
Use of PID instrumentation to monitor air quality of samples to aid
Use of instrumentation to monitor
explosive atmospheres to protect
the workforce (use of intrinsically
safe equipment).