Question: Can you use the EZ Bleach™ Disinfectant Tablets with electrostatic sprayers and foggers? Answer: End users should always follow the equipment manuals for compatible chemistries. In general there is no known compatibility issue between EZ Bleach™ and the sprayers/foggers.
Answer: Berkshire cannot provide specific recommendations regarding how many swipes/passes of a wiper on a surface will make the surface clean or free of microorganisms.The main reason for this is each situation where wipers are used is different and has many variables, each of which will have an impact on the outcome of any cleaning. [Read More…]
Do your operators use IPA and Deionized Water on their gloves prior to cleaning a biological safety cabinet? Are they cleaning top to bottom, left to right, cleanest to dirtiest? There are specific steps involved with cleaning a biological safety cabinet. Watch the video for cleaning techniques that can supplement your current SOPs and assist [Read More…]
A low endotoxin cleanroom wipe has a guaranteed endotoxin limit of <20 EU/device – <0.5 EU/mL. This is especially important when you read the FDA Guidance for Industry: Pyrogen and Endotoxins Testing. A 3rd party lab should perform the testing and the testing must be on a lot to lot basis. Printed documentation must be [Read More…]
Question: Has Berkshire or a 3rd party performed any microbial efficacy/kill studies on the SatPax® line of presaturated IPA wipers? Answer: An efficacy/kill study has not been performed by Berkshire or a 3rd party lab for SatPax®. Because of the number of variables involved when using wipes, it would be very difficult to produce meaningful [Read More…]
Figure 1. Randomly dispersed ultra-fine polyester strands within a non-woven microfiber wiper. In their pursuit of superior materials, textile scientists have been able to engineer a new type of nonwoven microfiber fabric. Traditional microfiber materials are comprised of very fine threads of polyester or polyester and nylon in which wedge-shaped strands are held within a [Read More…]
CLEANROOM PERSONNEL Cleanroom garments cannot contain all human detritus Particles (µm) travel up through the garments toward the head Particles (µm) fall down the legs during activity Gowning SOPs and continuous training is crucial
Berkshire’s Guide to properly fold and use a low-linting wiper for maximum efficiency and effectiveness in a controlled environment. Download our Cleanroom Proper Wiper Folding and Surface Cleaning Poster Today! Shop our Cleanroom Wipes
HEPA VS. ULPA IN A CLEANROOM 1. This large circle represents the cross section of a human hair, with an average visible diameter of 75μm. 2. This smaller circle, still visible to the human eye, represents a 50μm diameter particle. 3. This represents a 0.3μm diameter particle. HEPA filters remove over 99.97% 4. This represents [Read More…]
Your toast lands jelly side down on the floor. Could there be a more dramatic example of the contact transfer phenomenon described in “Particles on Surfaces 103”? You have no difficulty seeing the transfer of jelly to the floor and you can easily imagine that there is a simultaneous transfer of floor bacteria onto the [Read More…]
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