Preliminary marine toxin tests on razor clam meat on the north and south beaches look good ahead of the tentative opener scheduled for Oct. 11-13, according to coastal shellfish manager Dan Ayres.

Tentatively, here are the dates, times and open beaches for the opener.

• Oct. 11, Thursday, 8:58 p.m.; -0.6 feet; Twin Harbors, Mocrocks

• Oct. 12, Friday, 9:41 p.m.; -0.3 feet; Twin Harbors, Copalis

• Oct. 13, Saturday, 10:26 p.m.; +0.1 feet; Twin Harbors, Mocrocks

The most recent marine toxin levels, as announced by the State Department of Health Sept. 28. This is the first of two rounds of razor clam samples required before any recreational razor clam opener.

These samples are all below the action level — the toxin level where razor clam meat becomes unsafe to eat — for amnesic shellfish poisoning from domoic acid (20 parts per million grams), paralytic shellfish poison (80 micrograms per million grams) and diarrhetic shellfish poison (16 micrograms per million grams). The second and final round of sampling is scheduled for Oct. 4 with results by Oct. 8.

Samples collected the last week of September at Long Beach, Twin Harbors, Copalis and Mocrocks all showed the same results, with 1 part per million domoic acid and no presence of the other two toxins.

Before a beach can be opened for the harvest of razor clams, state protocol requires that all razor clam samples collected from that beach must test under the action level on both of the two required sample collections.

The season could be a fairly long one as healthy populations of clams on the north and south beaches were found during summer surveys, said Ayres. More tentative dates include:

Oct. 25, Thursday, 7:55 p.m.; -0.5 feet; Twin Harbors, Copalis

Oct. 26, Friday, 8:36 p.m.; -0.7 feet; Twin Harbors, Mocrocks

Oct. 27, Saturday, 9:19 p.m.; -0.7 feet; Twin Harbors, Copalis

Oct. 28, Sunday, 10:08 p.m.; -0.6 feet; Twin Harbors, Mocrocks

Nov. 8, Thursday, 6:57 p.m.; -0.8 feet; Twin Harbors, Mocrocks

Nov. 9, Friday, 7:36 p.m.; -0.7 feet; Twin Harbors, Copalis

Nov. 10, Saturday, 8:15 p.m.; -0.4 feet; Twin Harbors, Mocrocks

Nov. 11, Sunday, 8:56 p.m.; 0.0 feet; Twin Harbors, Copalis

Nov. 22, Thursday, 5:55 p.m.; -0.7 feet; Twin Harbors, Copalis

Nov. 23, Friday, 6:36 p.m.; -1.1 feet; Twin Harbors, Mocrocks

Nov. 24, Saturday, 7:20 p.m.; -1.3 feet; Twin Harbors, Copalis, Mocrocks

Nov. 25, Sunday, 8:05 p.m.; -1.3 feet; Twin Harbors, Mocrocks

Dec. 6, Thursday, 6:01 p.m.; -0.7 feet; Twin Harbors, Copalis

Dec. 7, Friday, 6:40 p.m.; -0.7 feet; Twin Harbors, Mocrocks

Dec. 8, Saturday, 7:16 p.m.; -0.6 feet; Twin Harbors, Copalis

Dec. 9, Sunday, 7:53 p.m.; -0.4 feet; Twin Harbors, Mocrocks

Dec. 20, Thursday, 4:51 p.m.; -0.3 feet; Twin Harbors, Mocrocks

Dec. 21, Friday, 5:35 p.m.; -1.0 feet; Twin Harbors, Copalis

Dec. 22, Saturday, 6:20 p.m.; -1.4 feet; Long Beach, Twin Harbors, Mocrocks

Dec. 23, Sunday, 7:05 p.m.; -1.6 feet; Twin Harbors, Copalis

More information about razor clams can be found online at wdfw.wa.gov/fish/shelfish/razorclm/razorclm.htm.