Laserfiche WebLink
A* <br />The Leodville Mill Environmental Sampling Procedures <br />Water Sample Collection <br />Page 2 -7 <br />2.4.1 ACIDITY AND ALKALINITY <br />APPARATUS & MATERIALS <br />• Polyethylene or borosilicate glass (pyrex or equivalent) bottles. <br />SAMPLE COLLECTION, PRESERVATION & HANDLING: <br />• Fill sample bottles completely, leaving no headspace, then cap tightly. <br />• Store samples at approximately 4 °C <br />• Samples should be analyzed within 14 days of collection. <br />QUALITY CONTROL <br />• Dissolved gases contributing to acidity or alkalinity, such as carbon dioxide, <br />hydrogen sulfide, or ammonia, may be lost or gained during sampling or <br />storage. To prevent this, sample bottles should be filled completely, leaving <br />no headspace, then cap tightly. <br />2.4.2 BICARBONATE /CARBONATE <br />APPARATUS & MATERIALS <br />• Polyethylene or glass bottles. <br />SAMPLE COLLECTION, PRESERVATION & HANDLING: <br />• Completely fill the sample bottle, leaving no headspace, and cap tightly. <br />• Store sample at approximately 4 °C until analyzed. <br />• Samples should be analyzed within 14 days of collection. <br />QUALITY CONTROL <br />• Carbon dioxide may be lost or gained during sampling and storage. To prevent <br />this, sample bottles must be filled completely, leaving no headspace, then <br />capped tightly. <br />2.4.3 CHLORIDE <br />APPARATUS & MATERIALS <br />• Polyethylene or glass bottles. <br />April 2013 <br />