AWWA B602:2002 pdf download.Copper Sulfate
4.3.1 General. The copper sulfate supplied in accordance with this standard shall contain no substances in quantities capable of producing deleterious or injurious effects on the health of those consuming water that has been properly treated with copper sulfate.
4.3.2 Imprurity requirements. Impurity limits may be required by the pur- chaser to ensure that the material supplied is suitable for water treatment purposes. (Also see Sec. II of the foreword.)
4.3.3 Product certifications. Copper sulfate is a direct additive used in the treatment of potable water. This material should be certified as suitable for contact with or treatment of drinking water by an accredited certification organization in accordance with ANSI/NSF Standard 60, Drinking Water Treatment Chemicals- Health Effects. Evaluation shall be accomplished in accordance with requirements that are no less restrictive than those listed in ANSI/NSF Standard :60. Certification shall be accomplished by a certification organization accredited by the American National Standards Institute.
5.1.1.2 Sampling bulk shipments. If the copper sulfate is moved by conveyor or elevator, a mechanical sampling arrangement may be used. In this case, . the material shall be moved at a reasonably uniform rate by the conveyor or elevator, and the gross or unsplit sample shall be selected by cutting across the full stream of material at regular intervals rather than by selecting at odd times a portion of the material being handled.
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). Thus, no more than 100 tons (90,700 kg) of material shall be represented by a single sample.
5.1.2.1 The gross or unsplit sample shall not be less than 0.25 percent of the lot represented and in no case less than 25 Ib (11.4 kg). The size of particles in the sample shall be, as nearly as possible, the same as in the entire shipment.
5.1.2.2. If the gross sample is in excess of 50 lb (22.7 kg), it may be reduced to this amount without crushing for sizes A, B, and C. For sizes D and E, a minimum of 77 lb (35 kg) is required to provide adequate material for all tests. The reduction in amount may be accomplished by the standard coning and quartering procedure or preferably through standard rffling equipment.AWWA B602 pdf download.