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Subject: [DCHAS-L] SPECIAL MINI PODCAST EPISODE OUT NOW: ACS NERD 2025

Date: Oct 20, 2025 12:33 UTC

Author: Jessica Martin <jmartin54321**At_Symbol_Here**GMAIL.COM>

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Subject: [DCHAS-L] DCHAS-L Archives Update, Part 2 of 2, Mysteries Revealed

Date: Oct 21, 2025 02:33 UTC

Author: Info <info**At_Symbol_Here**ILPI.COM>

From: Info <info**At_Symbol_Here**ILPI.COM>

Subject: [DCHAS-L] DCHAS-L Archives Update, Part 1 of 2, Searching For Answers

Date: Oct 21, 2025 02:29 UTC

Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>

Message-ID: <D493C09D-1F45-44BD-B0FD-18FAA6F30178**At_Symbol_Here**ilpi.com>

In-Reply-To: <97338433-DED5-4A6F-BBA2-C75A8123BFDE**At_Symbol_Here**ilpi.com>

Demystify: 
I've been busily coding to get the DCHAS-L archives on our site equipped with search since our recent server migration to the cloud and I'm pleased to make some new announcements that have set the stage for us to finally start figuring out how to resume addi I am breaking this message into two parts for readability.

1. First, I just wanted to mention that I updated the About page for this resource to dedicate the DCHAS-L Archive to the memory of Ralph Stuart, who supplied me with the files I needed to get this project off the ground back in 2012. https://www.ilpi.com/dchas/about.html Man, do I miss him.

2. I am pleased to announce that we have a new universal search feature that debuted across the ilpi.com site this weekend. Not only is it a vast improvement over the previous search function, all search is initiated from the top navigation bar no matter where you are. Each query initially searches all of our resources including laboratory, chemistry, safety, SDS, OSHA regulations, as well as the DCHAS-archive. You can then limit the search to particular categories afterward.

I had to put a lot of time and coding into this because most folks don't realize that the commercial cost of search can be astonishing. A lot of sites rely on Google, which will let you embed their search in return for serving ads and tracking you, or for a fee of $5 per 1,000 searches, but they are still tracking you. When you have 23,000+ pages that bring you no revenue, it's cost-prohibitive if a bot starts launching searches. I found a solution that adapted to our needs nicely for a one-time investment and I wanted to point out some key features:

A. NO TRACKING. Our server, of course, logs search requests but we are not using that data for any purpose or tying it to the user. If anything, we will use that data to see what the most popular searches are in order to improve the search or create new content. This engine resides on our virtual server and is owned and controlled by us. Your privacy is assured.

B. Default search is to look for any words. But once you get your results, you can toggle it to match ALL words. Secret tip (I need to add this to the page somewhere) it will also do exact matching if you put the query in quotes. So "eye wash" will match only if those words appear together in that exact order.

C. Plural and wildcard support. The search engine automatically takes into account plural variants. It also accepts the ? wildcard for any letter and * for any string. So "organ*" will find organic, organometallic, organo-phosphate, organization etc. 

D. You can refine the categories you search in. Those are currently lumped into a manageable set of All, DCHAS-L, General + Inorganic Chemistry, Glassblowing, Organometallics, and SDS and HazCom. That latter category includes over 800 pages from our SDS HyperGlossary and enhanced versions of official OSHA interpretation letters on the HazCom Standard.

E. Autocomplete in the search box. I included this, although I am not 100% sure if I'll keep it. It suggests terms as you type based on what is in its dictionary.

F. Sort the results by relevance, date (newest to oldest), date (oldest to newest)

G. Category suggestions. If you're searching in a category and not a lot of results are found, it will suggest additional categories or All categories. If you have a pile of matches, it shows you the number in each category for refinement. It also suggests term for possible typos.

H. Mobile friendly design. Search category checkboxes are stacked vertically. I also made them highlight in yellow when selected for additional feedback as checkboxes are hard to see without reading glasses at my age, LOL.

I. Limited ads. As you're probably aware, Safety Emporium, our retail division, supports these free resources. For a certain number of keywords, one or a maximum of two slots will appear above the results with a link to pertinent info on SE. They are minimalist, tasteful, non-intrusive, and non-tracking.

J. This thing is uncannily accurate. I wanted to know when the listserv moved from Cornell to Princeton's server and when I searched on "listserv moving Princeton" (without the quotes) - bam, it nailed it. Want to know everything on piranha solution or floor drains with safety showers? Bam, all relevant stuff.

And I have one other feature....for part 2. Posting that momentarily.

Rob

On Sep 18, 2025, at 5:12 PM, Info <info**At_Symbol_Here**ilpi.com> wrote:

Just a heads up that we were in the midst of converting our various SDS/safety resources, DCHAS archives and more to a new unified interface w/ breadcrumbs, more modern design, more mobile friendly, https secure, more reliable version to run in the cloud when our ancient, creaky, deprecated web server that we hosted in-office died a sudden and tragic death after a 15+ year battle with obsolence over the weekend.

So we pushed out this update a bit before it was ready for prime time, but it’s mostly good. Other than some minor cosmetic issues and web pages that need some work deep in our annotated version of OSHA interpretations on the HazCom standard, most everything works. The notable exceptions on that for the moment are that search is not working yet and the software magic behind the MS-Demystifier has to be recoded. We hope to resolve most all of this by the end of the month.

The SDS Hyperglossary section got a good once-over on maintaining and checking the thousands of links it contains, as did other sections: https://www.ilpi.com/msds/ref/index.html  All told, we have somewhere around 800 pages on HazCom.

We did a slight reorg and changed the main SDS landing page, putting the list of sites to look for SDS’s on the Internet on its own dedicated page.

The Demonstration Safety page is keeping vigil for more incidents:  https://www.ilpi.com/safety/demosafety.html

DCHAS Archives: https://www.ilpi.com/dchas/index.html  - the new and improved search that’s coming will make it easier to find pertinent results. And once this migration is done I can look into bringing the archive up to date. At the moment there are over 17,000 posts in that section. Long-term plans are to include an FAQ or may just some AI summaries of common questions. We also have to automate a way of going in and deactivating the dead links in the Archives. Link rot is the bane of a large collections like this.

We’ll be adding some more recent OSHA HazCom interpretations and changes once everything is all settled, as well. Another nice outcome is that we’ll be more flexible to adding new external resource links to our pages based on information discussed on DCHAS-L as we’re not trying to spread ourselves across two versions anymore.

Thanks for all for your support and encouragement in building this trove of resources over the years.

Best wishes,

Rob Toreki

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