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Water Quality Testing in Singapore

Posted by: Chemist Posted on: August 31, 2022

Enquiry:

We are looking for accredited lab facility that can provide analysis of water quality parameters (e.g. pH, Chemical oxygen demand (COD), TSS, Iron, Manganese, Aluminium, Calcium, Total organic carbon (TOC), colour, Ammonia (NH3-N), Total Nitrogen and Total Phosphorus) based on the samples that we provide.

The samples would be as below.

i) supernatant from Gravity Sludge Thickners,

ii) supernatant from decant tank,

iii) filtrate from filter press

The samples will be collected from PUB plant and provided to you by us.

Please reply if your company able to provide such lab analysis services. If yes, we will discuss further on the level support required.

One of our highly proficient and ISO certified laboratory would be taking over this testing.

Should you have any similar requisites, do drop us email and we shall revert instantly -> [email protected].

Bunker Survey Standard Operating Procedure SOP

Posted by: Chemist Posted on: April 24, 2019

Bunker Survey /Draftt Survey Standard Operating Procedure SOP (Guidelines)

Bunker Inspection Standard Operating Procedure Checklist.

The main purpose of SOP (Standard Operating Procedure) is to provide a step by step guide to conduct bunkering operation with highly ensured safety precautions. Simultaneously its purpose is to provide a certified statement of the quantity and quality of the oil delivered and to draw attention to matters which may be relevant to the protection of the client’s interest.

Bunkering operation lets the bunker owner/captain/producers know the quality, quantity and safety measures applied into the oil cargo and vessel itself.

Here is a checklist to conduct bunkering operation.

Surveyor’s Responsibility in General

To discharge number of responsibilities to the above described purpose, the surveyor must be focused towards applying and recording each and every moment and reporting it to persons concerned.

Here is a complete list referring to this SOP:

1.Bunker Survey Practical Procedures

2.Essential Equipment for bunkering Survey

  • Surveyor Procedures
  • Time Sheet
  • Checks on Receiving Vessel
    • Acknowledgment to Pre-Survey
    • Draught, Trim and List
    • Vessel’s Information
    • Chief Engineer Witnessing for Bunker Tanker
    • Vessel’s Calibration Tables
    • Onboard Quantity Measurement
    • Gauging Criteria
    • Free Water Check
    • Temperature Check
  • Checks on Bunker Tanker
    • Pre-Survey Acknowledgement
    • Draught, Trim, List
    • Bunker Requisition Form
    • Bunker Tanker Calibration Table
    • Onboard Quantity Measurement
    • Gauging Criteria
    • Free Water Check
    • Temperature Check
    • Stock Movement Report
    • Flow Meter
    • Tank Measurement/Calculation
    • Delivery Procedure
  • Post Delivery Procedure
    • Bunker Tanker
      • Tank Measurement
      • Tank Gauging Witnessing
      • Determination of Delivered Quantity
  • Receiving Vessel
    • Tank Measurement
    • Determination of Received Quantity

3. Sampling

  • Sample Location
  • Checking and Verification of Sampling Equipment
  • Sampling Procedure

4. Disputes

5. Reporting Requirements

  • Precautions and Limitations