Total dissolved solids are differentiated from total suspended solids (TSS), in that the latter cannot pass through a sieve of two micrometers and yet are indefinitely suspended in solution.
Blood Tests Cost. Typical costs: CostHelper readers with insurance report out-of-pocket costs of $283-$675 for blood tests, with an average of $432; total billed costs were $312-$1,200 (averaging $755), with the insurance either paying or discounting the total cost by $29-$525.
1 Blood tests are often covered by health insurance for preventive, diagnostic or treatment purposes, but coverage depends on the individual case and the terms of the health insurance plan.  CostHelper readers without health insurance report total costs of $700-$2,589, averaging $1,543.