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Written By: Chris Ruhlin | Mar 1, 2017
Time to Read 11 Minutes
If you're up to speed on your NPDES stormwater permit, stay ahead of required annual stormwater training, and have a basic competency of technology and your permit, you can easily take the pH of your stormwater sample from a relatively inexpensive pH kit. This is great news for businesses with smaller budgets or folks without close access to a certified lab.
While this is not the be-all, end-all pH kit, it is an attainable and repeatable setup that will keep companies well-supplied with easy-to-obtain products from online or big-box retailers.
You can build a good portion of this kit by ordering stuff from Amazon in one shot. Just bear in mind that the prices below were accurate when we wrote this and can change (and probably have)! You can also get most of this stuff at Home Depot, Lowes, or other hardware stores
Also, some of the links below are those Amazon Affiliate links. Meaning, if you put this kit together and click on the links, we'll make a few pennies off your purchase. Yes, literally pennies. Just being transparent!
Before you decide to do this yourself, ensure that you are capable of doing this by either double-checking your NPDES permit, or getting in touch with the department in your state in charge of the stormwater permitting program. Most will probably say yes as long as you follow guidelines etc. etc., but some might say you can’t. Find out if you can or can’t by calling or emailing your state environmental department.
pH is unlike most of the other pollutants you pay a lab to analyze stormwater samples for one simple reason: you can take the pH of a stormwater sample yourself, assuming you are allowed to.
You might think why would I want to do that? I don't know where you take your samples for analysis, but most labs we talk to aren't cheap. This goes double for getting the pH of a stormwater sample since pH needs to be analyzed within 15 minutes after you get your sample. Meaning, you have to pay for a lab tech to be at your site, sit there, wait for a discharge, and analyze the discharge. Even if they can't get a sample, you’re still paying. Even if you take the sample yourself and they just analyze it, you're still paying!
So, we at RMA recommend, if you are able to, that everyone perform their own pH analyses. It's easy and saves you money!
Now, here is a list of what you need in order to do so. Outlined below is a list of the main components we at RMA recommend you have in your pH field test kit.
The first thing you’re going to need is a pH meter. I strongly recommend using the Oakton pHTestr 30. This is an excellent meter. It’s small, lightweight, and durable. It’s a very accurate meter and should run you about $100 or so, depending on where you get it from.
The meter is comprised of three different components, the batteries, the internal computer, and the electric probe. Both the batteries and the probe can be replaced, so I recommend having replacements for both in case you need to use the meter
Need more convincing? We've covered this little gizmo in the past because we love it so much. Check out our article on the best pH meter for stormwater sampling & monitoring to learn more.
Anyway, here's what we recommend you pick up:
This gets a little technical but
There are two kinds of buffer solution standards the Oakton pHTestr 30 can use which are USA standards and NIST standards. Either will work fine.
Also, cleaning solution for your pH meter is also a necessary item to have, since you need to clean it before and after each use. You can purchase a fancy expensive electrode cleaning solution, or you can simply use distilled water. My advice is to pick up a gallon of either or some individual bottles which are easier to keep in your kit.
I recommend having a nice secure location for all of this equipment, but you can use whatever you like, like a toolbox, a milk crate, plastic bin or tote, or even a cardboard box! But, this is important stuff and you really don’t want anybody messing around with it. Keep it all in one place in a way that works for you.
For that one reason, I recommend you get a secure container. I recommend using a cheap, lockable toolbox, and keep it locked with a simple combo lock.
It’s also important to have handy all your appropriate documentation. You'll need:
I recommend keeping a copy in your office, as well as a copy in your storage container. That way, if you’re ever in doubt, you can always review these documents to ensure you’re performing the analysis correctly. I also recommend keeping these files in some sort of waterproof folder or case, since you'll be outside in the rain!
This is the catch-all category since I tend to keep random stuff in my pH kit that helps me do my job. I recommend getting these things as they'll make your life easier, but you do what works for you.
If you do need to send your sample forward to a lab, your best bet is to grab some free sample bottles from them. If you don't, using the cup should work just fine!
Once you get all your stuff, unpack it, and get familiar with everything. As they say, practice makes perfect, but don’t practice on stormwater samples, practice on soda or coffee or juice. Why? Every time you sample stormwater and test for pH, you must report it. If you don't report it you're seriously out of compliance, and possibly engaging in illegal behavior. In short, don't do it. So practice on other things to get comfortable using the meter by following the instructions in the manual and SOP.
It's vitally important that whoever's using this kit go through some training and understand what they're doing. That includes how to use the meter, how to sample, why you're sampling, where to sample stormwater, etc. If you want good results, stormwater training is a necessity! After all, what good is a perfect pH field test kit if you don't know how to use it? For a full breakdown of exactly what you’ll need to do to analyze the pH of your samples on-site using your new pH test kit, be sure to check out our online training course: The Best Way to Perform pH Analyses of Your Facility’s Discharge Samples.
Now that you have the outline to the world’s best pH field test kit, practice using it, turn on the weather, and get out there the next time it rains!
For a lot of folks out there, this is a pain to deal with. After all, you have a business to run! If you're overwhelmed, you're not alone. RMA has been actively involved in helping companies get and stay in compliance with stormwater permits across the United States since our founding in 1992. Long story short, we know the ins and outs of the environmental problems industrial and commercial facilities face and can help you get into compliance with stormwater permits and other applicable environmental laws and regulations, ensuring your business stays out of trouble and in compliance.
Our staff members have been on-site at thousands of operations across the country, so when we say we've seen it all and done it all, we mean it. We've helped everyone, from globe-spanning, multi-national organizations to small "mom & pop" operations. No matter your size or location, we'd love to learn how we can help.
So, if you're having any type of issue at your facility and need the help of an environmental consulting firm with a proven track record, reach out. Even if we can't help, we’ll do our best to steer you in the right direction. Feel free to contact us at info@rmagreen.com, click here to contact us, or give us a call anytime at 888-RMA-0230 to learn how we can help your facility deal with stormwater permits and other environmental regulations.
Tags: Stormwater Permits, Stormwater Training, New Jersey Stormwater Permits
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