AWWA B602:2017 pdf download.Copper Sulfate
4.1.1.6 Other sizes. Many purchasers obtain copper sulfate by specifying commercial sizes with designations such as large, medium, small, rice or granular, snow crystals, or powdered. Tere is no agreement among manufacturers as to the exact screen sizes of the various grades that use commercial designations. If a purchase is made using these designations and the size is to be checked by sieve analysis, an agreement should be made between the supplier and the purchaser concerning the sieve analysis.
4.3.1 General. Te copper sulfate supplied in accordance with this stan- dard shall contain no soluble inorganic or organic substances in quantities capable of producing efects deleterious or injurious to the health of those consuming water that has been properly treated with copper sulfate.
4.3.2 Impurity requirements. Impurity limits may be required by the pur- chaser to ensure the material supplied is suitable for water treatment purposes. (See also Sec. III of the foreword.)
4.3.3 Product certifcations. Copper sulfate is a direct additive used in the treatment of potable water. Tis material should be certifed as suitable for contact with, or treatment of, drinking water by an accredited certifcation organization in accordance with NSF/ANSI 60. Evaluation shall be accomplished in accordance with requirements that are no less restrictive than those listed in NSF/ANSI 60. Certifcation shall be accomplished by a certifcation organization accredited by the American National Standards Institute.
5.1.1.1 Sampling packages. If the material is packaged, 10 percent of the packages shall be sampled, but no fewer than 5 packages and no more than 15 pack- ages shall be sampled from any one shipment. No sample shall be taken from a broken package. In sampling, a uniform amount of material shall be carefully taken from every package sampled to avoid taking a disproportionate amount of material from the top or bottom of the package.
5.1.2 Sample size. For the purpose of sampling, shipments of material may be divided into lots, no single lot of material to exceed 100 tons (90,700 kg). Tus, no more than 100 tons (90,700 kg) of material shall be represented by a single sample.AWWA B602 pdf download.