Table of Contents
Advertisement
2.2.6 Hearing Protection
Hearing protection should be worn in work environments where noise levels exceed 85 decibels
– such as around blowers and air compressors. There are many types of hearing protection,
including earplugs or muffs. Hearing protection that is suitable for the work environment and
provides adequate noise reduction should be chosen. Disposable ear plugs or headset style
are acceptable.
2.3
Bacterial Safety
The wastewater contains a mixture of viable bacteria and other biological organisms. A
wastewater treatment plant poses a number of bacterial hazards and consequently potential
health risk. Immunization protects operator against infection. The use of proper hygiene
measures, protective equipment, good housekeeping and common sense prevent contact with
pathogens.
These measures prevent infection!
2.4
Chemical Safety
The following chemicals are used in operation of newterra MBR WWTP:
Sodium Carbonate (Soda Ash) is used for pH adjustment, in case there is a deficiency
in alkalinity in influent sewage and pH drops. It is hazardous in case of skin contact
(irritant), of eye contact (irritant), of ingestion, of inhalation (lung irritant).
Sodium hypochlorite (NaOCl) and Citric Acid (C
membranes.
o Sodium hypochlorite (NaOCl) is a common disinfectant, which can be an irritant or
corrosive, depending on its concentration. It cannot be mixed with organics, ammonia
compounds or acids. Contact with acids produces highly toxic chlorine gas. It has
to be mixed only with pure water.
o Citric Acid (C
ingestion, eye contact (irritant) and inhalation (lung irritant).
newterra O&M Manual
© 2017 by newterra, ltd.
All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means, electronic, mechanical,
photocopying, recording, or otherwise, without prior written permission of newterra ltd.
Ensure that hands are washed with an antibacterial soap
and warm water and dried by disposable towels on a
regular basis, especially prior eating!
Do not expose cuts or open sores to wastewater!
Use personal protective equipment (PPE) at all times in
wastewater treatment facility!
Any concern about possible infection should be brought to
the attention of medical physician immediately!
H
O
) is hazardous in case of skin contact (irritant, sensitizer), or
6
8
7
1291 California Avenue, Brockville, ON K6V 5W3
(800) 420-4056 / www.newterra.com
H
O
) are used for cleaning the
6
8
7
newterra ltd.
13
Advertisement
Chapters
Table of Contents
Troubleshooting
