CA Health & Safety Code Section 112170

(a)

The director, or the director’s duly authorized agent, shall conduct sanitary surveys of any shellfish growing water as deemed necessary to assure each of the following:

(1)

Any shellfish grown in the water is safe as an article of food and meets bacteriological, chemical, and toxicologic standards as prescribed by regulation.

(2)

Any shellfish grown in prohibited or restricted areas is either relayed to or depurated in approved water for a period of time as necessary to meet bacteriological, chemical, and toxicologic standards, as prescribed by regulation.

(3)

For good cause shown, a shellfish grower or harvester may request the resurvey of restricted or unapproved growing water, and the director, or the director’s duly authorized agent, shall conduct the sanitary resurvey.

(b)

If it is found that the shellfish and growing water are in compliance with the regulations promulgated under this chapter, the director shall issue a certificate attesting to the compliance to the lawful grower or harvester of the shellfish.