Dellavalle Laboratory Inc.
Chemists and Consultants
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800 228-9896
559 233-6129
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1910 W. McKinley Avenue
Suite #110
Fresno, CA 93728
Hours: Mon - Fri 7am - 5pm
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Irrigation Water Collection
Equipment:
One clean plastic container (about one pint).
For drip irrigation if you suspect high Mn or Fe concentrations:
Obtain an acidified bottle to keep Mn and Fe in solution or
Indicate your concern on the Work Request form and a portion will be acidified upon receipt.
If possible, run Well for a few hours to purge uncharacteristic surface waters from shallow aquifers.
Procedure:
Fill container leaving no air space. Carbonates, bicarbonates and nitrate are affected by the presence of air.
Do not include water treatments (i.e. sulfuric acid, chlorine, fertilizers, etc.) in your sample when collecting from valves and pipelines.
If you have an acidified bottle, do not let it overflow (you do not want acid on your hands). Rubber gloves are suggested to protect from mild acid.
Print on the bottle using an
indelible
marker, the date and time sampled as well as client name and sample description. Chill sample immediately.
Complete
Work Request Form
and
deliver sample to Dellavalle
.