Prior to Sampling
The week before the scheduled sampling your system will receive a cooler from the lab that also includes:
- 5 Zipper Storage Bags
- Labeled Sample Bottles
- Sampling Sheets
Make sure you have received all the necessary items before beginning the sampling. If anything is missing, please contact the lab.
Sampling Procedure
- Open the sample tap to the coldest temperature it allows
- Let water run until the temperature stabilizes
- Fill the bottle labeled "Orthophosphate" all the way up to the top
- Put cap back on the bottle
- Fill the bottle labeled "Lead and Copper Minerals" all the way up to the top
- Put cap back on the bottle
- Fill the bottle labeled "Calcium" to 1/2 inch below the neck, leaving room for chemicals to be added at the lab
- Put cap back on the bottle
- Fill in the necessary information on the sampling sheets
Preparing Zipper Storage Bags
- Prepare 2 packages of double-bagged loose ice using the zipper storage bags that were provided.
- Fill 1 zipper bag with loose ice and seal it
- Add that sealed bag to a 2nd zipper bag and seal again
- Fill a 3rd zipper bag with loose ice and seal it
- Add that sealed bag to a 4th zipper bag and seal again
Now you should have 2 packages of double-bagged loose ice.
- Add Completed Sample Sheets to the last zipper storage bag.
Packing Cooler
- Add 1 package of loose ice to the bottom of the cooler
- Add the samples you just took on top of that package of loose ice
- Add the other package of loose ice on top of the samples
- Add zipper storage bag with the completed sample sheets on top of that package of loose ice
- Close cooler firmly
Shipping Cooler Back
- Express Ship or Hand Deliver to lab within 48 Hours of taking the sample
Orthophosphate has a hold time of 48 hours, failure to recieve samples in time will result in rejected samples.